Las Cruces, NM Weather In December: Your Ultimate Guide

Nov 3, 2025 by SLV Team 56 views

Hey there, fellow weather enthusiasts! Are you planning a trip to Las Cruces, New Mexico in December? Awesome choice! December in Las Cruces is a unique experience, offering a delightful mix of cool temperatures, sunny days, and the festive spirit of the holiday season. Knowing what to expect weather-wise can help you pack appropriately and make the most of your visit. So, let's dive into everything you need to know about the Las Cruces weather in December, shall we?

This guide will be your go-to resource, covering everything from average temperatures and precipitation to sunshine hours and what to wear. We'll explore the typical climate patterns, discuss potential weather hazards, and even offer some tips on how to enjoy your time in Las Cruces, regardless of the weather. Whether you're a seasoned traveler or a first-time visitor, this information will help you prepare for a memorable December in the beautiful Mesilla Valley. So, grab a cup of coffee (or hot cocoa, it's December, after all!), and let's get started!

Las Cruces in December is generally mild compared to many other parts of the country, especially those experiencing harsh winter conditions. The days are usually sunny, with clear skies dominating, perfect for outdoor activities. Nights can get chilly, so you'll definitely want to pack layers. But overall, it's a pleasant time to be in Las Cruces. The landscape itself takes on a different charm during this month. The desert vegetation, though still mainly brown and tan, has a certain stark beauty that is enhanced by the crisp, clear air. The Organ Mountains, which dominate the eastern skyline, often have a dusting of snow on their peaks, providing a stunning backdrop to the city. The holiday decorations also add to the visual appeal, with twinkling lights and festive displays adding a touch of magic to the desert environment. This blend of natural beauty and holiday cheer makes December a special time to visit Las Cruces.

Now, let's get into the nitty-gritty details of the weather. We'll talk about average temperatures, precipitation levels, and other important factors to help you plan your trip with confidence. Knowing these things can help you make the right choices for your clothing, activities, and overall experience. No one wants to be caught unprepared when the weather takes a turn, right? By the end of this guide, you'll be well-equipped to navigate the December weather in Las Cruces like a pro. So let's get this show on the road!

Average Temperatures in Las Cruces in December

Alright, let's talk numbers! When considering Las Cruces weather in December, understanding the average temperatures is crucial for planning your daily activities and packing accordingly. Generally, you can expect a fairly mild climate, but it’s always smart to be prepared for variations. The average high temperature during December hovers around the mid-50s Fahrenheit (around 13-15 Celsius). This means that during the day, you can expect comfortable temperatures, making it pleasant for outdoor exploration and sightseeing. The sun is usually shining, which adds a bit of warmth and makes the days feel even more enjoyable.

However, as the sun goes down, the temperatures drop significantly. The average low temperature in December dips to the low 30s Fahrenheit (around 0-2 Celsius). This means that the nights can get quite chilly, and you’ll definitely want to bundle up. It's not uncommon to experience freezing temperatures, especially in the early mornings. So, when planning your evening activities or nighttime outings, make sure to bring a warm jacket, hat, gloves, and possibly a scarf. Layering is key! This will allow you to adjust your clothing based on the time of day and the specific conditions.

It's also worth noting that these are just averages. The actual temperatures can fluctuate day by day. Some days might be warmer, reaching the low 60s, while others might be colder, dipping below freezing during the day. Therefore, it's a good idea to check the weather forecast right before your trip and throughout your stay to stay informed about any potential temperature changes. The National Weather Service and other reliable weather sources will provide accurate predictions to help you adjust your plans accordingly. This will help you make the most of your time and ensure your comfort while you're exploring the city and its surroundings. Remember, flexibility is key! Be prepared for both warm daytime temperatures and cold nighttime temperatures, and you’ll be set for a fantastic time in Las Cruces in December.

Daily Temperature Variations

Besides understanding the average highs and lows, being aware of the daily temperature variations can significantly enhance your experience in Las Cruces, New Mexico, during December. The diurnal temperature range, the difference between the daily high and low temperatures, can be quite noticeable. This means that even on a seemingly mild day, the temperature can fluctuate dramatically from morning to afternoon and then back down at night. Understanding these shifts is crucial for planning your daily activities and packing the right clothes.

In the morning, the air is typically crisp and cool. If you're an early riser, you might experience temperatures hovering around the freezing point, especially on clear days. As the sun rises and starts to warm the landscape, the temperature gradually increases. By midday, the temperature will usually reach its peak, often in the mid-50s. The bright sunshine during these hours is delightful, and this warmth makes the environment perfect for enjoying outdoor activities, such as exploring the local parks, visiting historical sites, or simply enjoying a leisurely walk.

However, as the day progresses and the sun starts to set, the temperature begins to drop again. This cooling happens relatively quickly, especially in the clear desert air. The transition from the warmth of the afternoon to the chill of the evening can be significant. By nightfall, the temperature typically plummets back down, often below freezing. This daily cycle of temperature variation emphasizes the need for versatile clothing. Layers are your best friend! You can easily add or remove layers to accommodate the changing temperatures throughout the day. This adaptability will ensure you stay comfortable and can enjoy the outdoors no matter the hour.

Keep an eye on the weather forecast to get the most accurate predictions of the daily highs and lows. Checking the weather report before you head out in the morning and before you make any evening plans will ensure you're well-prepared for any temperature fluctuations. By understanding and anticipating these daily variations, you can make the most of your time in Las Cruces and create unforgettable memories, despite the chilly December nights.

Precipitation and Sunshine in December

Let’s explore another key aspect of Las Cruces weather in December: precipitation and sunshine. Knowing what to expect in terms of rain and sunshine will help you plan your activities and pack appropriately. Fortunately, December in Las Cruces is known for its dry and sunny conditions. This makes it an ideal destination for those seeking a break from the cold and wet weather often found in other parts of the country.

Rainfall in December

Las Cruces typically experiences very little rainfall in December. The area is located in the high desert, so precipitation is generally scarce throughout the year, especially during the winter months. On average, the total rainfall for December is minimal, often less than an inch. This means you likely won’t have to worry about heavy rain disrupting your outdoor plans. However, it's always good to be prepared, just in case. Although rare, occasional light showers can occur, so packing a light, waterproof jacket or umbrella might be a good idea, just to be on the safe side.

Even if it does rain, the showers are usually short-lived, with the sun quickly reappearing. The dry climate contributes to the clear skies and abundance of sunshine that characterizes December in Las Cruces. This makes it a great time for outdoor adventures. You can explore the city’s attractions, hike in the nearby mountains, or simply relax outdoors without worrying about getting drenched.

Sunshine Hours

Sunshine is abundant in Las Cruces during December. You can expect a high number of sunshine hours each day. The clear skies and minimal cloud cover mean you'll have plenty of opportunities to soak up the sun. The bright sunshine not only makes the days feel warmer but also enhances the beauty of the landscape. The desert scenery, including the Organ Mountains and the surrounding areas, is especially stunning under the clear December skies.

The sunny days are perfect for exploring the natural beauty around Las Cruces. You can hike, bike, or take scenic drives through the countryside. The warm sunshine and clear skies are great for photography, offering opportunities to capture the stunning landscapes. Be sure to bring sunglasses, sunscreen, and a hat to protect yourself from the sun’s rays, especially during the midday hours. Overall, December offers a beautiful combination of sunshine and dry weather, making it a delightful time to visit and enjoy all that Las Cruces has to offer.

What to Wear in Las Cruces in December

Now, let's tackle the question of what to pack and wear when you visit Las Cruces in December. Since you can expect a mix of cool temperatures, sunny days, and chilly nights, your wardrobe choices should be versatile and focused on layering. The key is to be prepared for the wide range of temperatures you might encounter throughout the day and evening. Here's a comprehensive guide to help you pack effectively and stay comfortable during your trip.

Essential Clothing Items

Layers: This is the most crucial tip. Pack a variety of layers that you can add or remove as needed. Start with a base layer of moisture-wicking materials like merino wool or synthetic fabrics. These will help keep you warm and dry, even if you’re active. Next, add a mid-layer, such as a fleece jacket or a warm sweater. This layer provides insulation and can be worn or removed depending on the temperature. Finally, bring an outer layer, like a windproof and water-resistant jacket. This will protect you from the elements, such as wind and potential light rain. This combination will give you the flexibility to adapt to changing weather conditions throughout the day.
Warm Jackets and Coats: Make sure to include a warm jacket or coat, especially for the evenings and early mornings when temperatures can dip below freezing. A down or insulated jacket will provide excellent warmth. If you prefer, a heavy wool coat can also work well. Consider the style and weight of the coat depending on your personal preference and planned activities. A versatile coat that can be dressed up or down will be a great addition to your luggage.
Sweaters and Long-Sleeved Shirts: Pack a selection of sweaters and long-sleeved shirts to serve as mid-layers or standalone items for warmer days. Choose different materials, such as cotton, wool, or synthetic blends, to accommodate varying levels of warmth. Versatile and lightweight sweaters will be perfect for layering, providing flexibility for adjusting to temperature changes.
Pants: Jeans, comfortable travel pants, or even insulated pants are a must. You will likely want to have a few different options to cater to various activities and temperature conditions. Consider packing at least one pair of waterproof or water-resistant pants if you plan to do any outdoor activities, like hiking, where you might encounter wet conditions or snowy patches.
Hats, Gloves, and Scarves: Don't underestimate the importance of these accessories, especially for the chilly nights and mornings. A warm hat will help keep your head warm, preventing heat loss. Gloves will protect your hands, and a scarf can provide additional warmth around your neck and face. Consider waterproof or water-resistant gloves for outdoor activities.

Footwear

Sturdy Boots: Bring a pair of sturdy, comfortable boots that are suitable for walking and hiking. Your boots should provide good traction, especially if you plan to explore any trails or areas with uneven terrain. Insulated boots are recommended for keeping your feet warm. Ensure they are water-resistant to protect your feet from potential wetness.
Comfortable Shoes: Pack a pair of comfortable shoes or sneakers for casual wear and indoor activities. These can be used for everyday wear and provide a comfortable alternative to boots.
Socks: Don't forget to bring warm socks. Wool or synthetic socks are best for insulation and moisture-wicking. Pack several pairs, as you'll want to change them regularly to keep your feet dry and comfortable.

Other Essentials

Sunglasses and Sunscreen: Even though it's winter, the sun can still be quite strong, especially during the day. Bring sunglasses to protect your eyes and sunscreen to protect your skin from harmful UV rays. Reapply sunscreen throughout the day, especially if you're spending a lot of time outdoors.
Lip Balm: The dry desert air can cause chapped lips. Pack lip balm to keep your lips moisturized.
Accessories: Consider bringing any other accessories you might need, like a small backpack or day bag for carrying essentials during your day trips. Don't forget a camera to capture the stunning scenery!

By following this packing guide, you’ll be prepared for the diverse weather conditions in Las Cruces in December, ensuring that you stay comfortable and enjoy your trip to the fullest. Enjoy your travel!

Potential Weather Hazards and Safety Tips

While Las Cruces, New Mexico, weather in December is generally mild and pleasant, it's important to be aware of potential weather hazards and take necessary precautions to ensure your safety and well-being. Knowing about these potential risks can help you plan and enjoy your trip without any unnecessary worries. Let’s look at some of the possible hazards you may encounter and how to stay safe.

Freezing Temperatures

As previously mentioned, temperatures in Las Cruces can drop below freezing during the nights and early mornings in December. This can lead to icy conditions, especially on roads, sidewalks, and other surfaces. Be extra cautious when driving or walking, especially in the early hours. Drive slowly and increase your following distance to allow for extra stopping time. Watch out for black ice, which can be difficult to see and can make surfaces extremely slippery. Wear appropriate footwear with good traction to avoid slipping and falling.

Strong Winds

Although not as common as in other seasons, strong winds can sometimes occur in December. These winds can make the air feel colder than it actually is and can also create hazardous conditions. Be aware of wind advisories and warnings issued by the National Weather Service. If strong winds are expected, take extra precautions, such as securing loose objects outdoors. Be mindful of falling tree branches and power lines. If you're hiking or engaging in outdoor activities, be aware of wind chill, which can significantly lower the effective temperature.

Sun Exposure

Even though it's winter, the sun can still be quite intense in the desert environment. The clear skies in December mean you will have a lot of exposure to the sun. Protect yourself from sun exposure by wearing sunglasses, a hat, and sunscreen with a high SPF, especially during the midday hours. Reapply sunscreen frequently, especially if you’re spending a lot of time outdoors. Be sure to stay hydrated. Drink plenty of water throughout the day, as the dry desert air can lead to dehydration.

Health and Safety Tips

Stay Informed: Monitor the weather forecast regularly before and during your trip. Check the National Weather Service website or local news sources for weather updates, alerts, and warnings. Pay attention to temperature fluctuations, wind advisories, and any potential hazards, such as the possibility of icy roads or strong winds. Knowing the weather conditions beforehand allows you to adjust your plans and take necessary precautions.
Dress Appropriately: As discussed earlier, dress in layers to stay comfortable and adaptable to changing temperatures. Wear warm clothing, including a hat, gloves, and scarf, to protect yourself from the cold. If you are planning outdoor activities, make sure your outer layers are windproof and water-resistant. Wear sturdy footwear with good traction to prevent slips and falls on potentially icy surfaces.
Drive Safely: If you're driving, be extra cautious, especially during the early mornings when icy conditions are possible. Drive slowly, increase your following distance, and be mindful of black ice. Keep your vehicle in good condition and ensure your tires have adequate tread. Check road conditions before you start your journey. Be prepared for potential delays and adjust your travel plans accordingly if necessary.
Hydrate: Drink plenty of water throughout the day to stay hydrated. The dry desert air can lead to dehydration, so it's important to drink enough fluids to stay healthy. Carry a water bottle with you and refill it regularly. Avoid excessive caffeine and alcohol, as they can have a dehydrating effect.
Be Aware of Altitude: Las Cruces is at a relatively high altitude. It may take some time to adjust to the thinner air. Take it easy on your first day and avoid strenuous activities if you’re not accustomed to high altitudes. Listen to your body and rest when you feel tired or lightheaded. Drink plenty of water to help your body acclimate.
Seek Assistance When Needed: If you encounter any problems, such as accidents or unexpected weather events, don't hesitate to seek assistance from local authorities, emergency services, or your hotel. Keep emergency contact information handy, including the local police and fire departments. Being prepared and informed can greatly contribute to a safe and enjoyable trip.

By staying informed, dressing appropriately, driving safely, and taking necessary precautions, you can minimize the risks and enjoy a safe and memorable trip to Las Cruces in December. Keep in mind that safety should always be a top priority, allowing you to focus on enjoying the beauty and experiences that Las Cruces has to offer.

Activities and Events in Las Cruces in December

December in Las Cruces, New Mexico, is a time of festive cheer, holiday celebrations, and outdoor adventures. With the cooler temperatures and clear skies, it’s an ideal season to explore the area and partake in various events and activities. From enjoying the natural beauty of the desert landscape to celebrating the holiday season with special events, there's something for everyone. Let’s explore some of the best activities and events to enjoy during your December visit.

Outdoor Activities

Hiking in the Organ Mountains-Desert Peaks National Monument: This is a must-do for nature lovers. The Organ Mountains offer stunning hiking trails suitable for all levels, from easy strolls to challenging climbs. The trails provide spectacular views of the surrounding landscape and are particularly beautiful with a dusting of snow on the peaks. Always check the weather conditions and trail closures before you go and make sure to bring plenty of water and appropriate hiking gear.
Exploring Local Parks: Las Cruces boasts several beautiful parks perfect for a leisurely stroll, a picnic, or simply enjoying the outdoors. Parks like Young Park and Dripping Springs Natural Area are great places to relax and soak up the sunshine. These are also ideal for families with children, providing space for playing and enjoying the open air.
Scenic Drives: The surrounding areas offer breathtaking scenic drives. You can explore the Mesilla Valley, enjoy the desert landscapes, and discover unique viewpoints. The clear skies of December make for perfect driving conditions, and you will see stunning views that are unique to the area.

Holiday and Seasonal Events

Lights and Decorations: The city comes alive with holiday lights and decorations in December. Many businesses and homes are decorated, creating a festive atmosphere throughout the city. Take a drive around to admire the displays. Visit the local areas to enjoy the best decorations, and don't miss any special events.
Holiday Markets and Craft Fairs: Support local artisans and find unique gifts at the holiday markets and craft fairs. You can find everything from handmade crafts to delicious treats. These events often feature live music, food vendors, and a festive atmosphere. This can be a great way to experience the local culture and find souvenirs.
Holiday Performances and Concerts: Enjoy holiday-themed performances and concerts. Local theaters and performing arts centers often put on special shows, plays, and concerts to celebrate the season. Check the local listings and plan to attend a performance for a night of entertainment.
New Year’s Eve Celebrations: Las Cruces hosts various events to ring in the New Year. From parties at local restaurants and bars to special events, there are plenty of ways to celebrate the arrival of the new year. Make your plans in advance to ensure you have a spot for the celebration.

Cultural and Historical Attractions

Exploring Old Mesilla: This historic town, just a few minutes away from Las Cruces, is a must-visit. Explore the historic plaza, visit the shops and restaurants, and soak up the atmosphere of this charming village. You can also visit the Mesilla Valley Museum to learn more about the area's history and culture.
Visiting Museums and Galleries: Las Cruces has a variety of museums and galleries. The New Mexico Farm and Ranch Heritage Museum offers exhibits on the history of agriculture in the region. The Branigan Cultural Center features art exhibitions and cultural events. The Las Cruces Museum of Art is a great place to explore local artists.

Tips for Planning Your Activities

Check the Weather Forecast: Always check the weather forecast before planning your activities. This is especially important during the winter months when conditions can vary. Being prepared with weather-appropriate clothing and gear can enhance your experience.
Make Reservations: Book accommodations, event tickets, and dining reservations in advance, especially during the holiday season. This can help you ensure you have the best experience and avoid any last-minute disappointments.
Plan for Flexibility: While planning your itinerary, build in some flexibility. Weather conditions can change, and you might want to adjust your plans accordingly. Have alternative activities in mind, just in case. Enjoy spontaneous moments and opportunities that come your way.
Check Local Event Listings: Look for local event listings and calendars to discover the latest events and activities. This can provide opportunities to experience local culture and unique experiences, which is a great way to spend time. Local resources are a great resource for finding things that suit your interests.
Support Local Businesses: Explore the local culture. Support local businesses, restaurants, and shops. Enjoying local food, shops, and attractions is a great way to experience the best that Las Cruces has to offer. You'll gain a deeper appreciation for the local culture. This will also give you an unforgettable experience.

By participating in these activities and events, you’ll create lasting memories and make the most of your December visit to Las Cruces, New Mexico. Embrace the festive atmosphere, enjoy the beautiful surroundings, and create an unforgettable experience during your trip!

Conclusion: Making the Most of December in Las Cruces

So, there you have it, folks! Your complete guide to experiencing Las Cruces, New Mexico, weather in December. We’ve covered everything from average temperatures and precipitation to what to wear and what to do. Hopefully, this information has equipped you with everything you need to plan a memorable trip to this beautiful corner of the Southwest. Remember, the key to enjoying December in Las Cruces is preparation and a spirit of adventure. The mild temperatures and abundance of sunshine make it an ideal time to explore the city and its surrounding areas.

Whether you're planning to hike in the Organ Mountains, explore the historic town of Mesilla, or simply relax and enjoy the holiday festivities, you’re in for a treat. The clear skies, cool temperatures, and festive atmosphere create a unique and unforgettable experience. So, pack your bags, layer up, and get ready to experience the magic of Las Cruces in December. Don’t forget to check the weather forecast before you go and throughout your trip. Be prepared for some chilly nights and enjoy the beautiful sunny days. Stay safe, have fun, and make the most of your time in this charming desert city. Enjoy your trip!

We hope this guide has been helpful and that you have a fantastic time in Las Cruces! Safe travels, and happy exploring!