January Weather in Las Cruces, United States

Last updated: June 24, 2025

In January, the average temperature in Las Cruces, United States hovers around 7°C (45°F). While it can dip to a chilly -6°C (22°F), you might also enjoy warmer days reaching up to 22°C (72°F). Be prepared for some rain, as 13 mm (0.5 in) of precipitation is expected over 2 days. With an average humidity of 79%, it’s ideal for cozy indoor activities or exploring the beauty of the outdoors!

January Temperature in Las Cruces

In January in Las Cruces, the average temperature is 7°C (45°F). Maximum temperatures can reach 22°C (72°F), while minimums can dip as low as -6°C (22°F). This diverse range of temperatures makes it essential to pack accordingly for your travels.

January Weather in Las Cruces: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Las Cruces, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Las Cruces, January typically has an average temperature of 7°C (45°F), with highs reaching up to 22°C (72°F) and lows dropping to around -6°C (22°F).

Data source: Temperature data for Las Cruces generated using information from the Copernicus Climate Change Service.

January Precipitation in Las Cruces

In Las Cruces in January, the precipitation amount is 13 mm (0.5 in) over a span of 2 days.

January Precipitation Trends in Las Cruces

The chart displays monthly precipitation patterns in Las Cruces, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Las Cruces, January typically receives around 13 mm (0.5 inches) of precipitation spread over approximately 2 days.

Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

January Humidity in Las Cruces

In Las Cruces in January humidity is 79%. With an average temperature of 7°C (45°F), this humidity feels like a damp chill wrapping around you, making outdoor explorations uncomfortable and requiring extra layers for warmth while you navigate through the misty air.

January Average Humidity in Las Cruces

This chart illustrates the average monthly humidity levels in Las Cruces, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Las Cruces is approximately 79%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Las Cruces

In Las Cruces in January, the maximum UV index reaches 5, which corresponds to a moderate Exposure Category. Under these conditions, the estimated time to burn is approximately 30 minutes. For more details, you can check the Hourly UV Index in Las Cruces.

Maximum UV Index Levels in Las Cruces for January

The chart shows the monthly maximum UV Index (UVI) for Las Cruces in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Las Cruces typically reaches 5, which falls under the moderate exposure category.

Data source: Las Cruces January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How January Weather in Las Cruces Compares to Other Months

Weather in Las Cruces varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Las Cruces, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Las Cruces, showing how January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	7°C (45°F)	13 mm (0.5 inches)	79%	moderate
February Weather	10°C (50°F)	14 mm (0.6 inches)	79%	high
March Weather	14°C (58°F)	16 mm (0.6 inches)	65%	very high
April Weather	20°C (67°F)	3 mm (0.1 inches)	55%	extreme
May Weather	24°C (75°F)	4 mm (0.2 inches)	54%	extreme
June Weather	28°C (84°F)	22 mm (0.9 inches)	53%	extreme
July Weather	29°C (84°F)	31 mm (1.2 inches)	55%	extreme
August Weather	28°C (83°F)	33 mm (1.3 inches)	57%	extreme
September Weather	25°C (77°F)	24 mm (0.9 inches)	70%	extreme
October Weather	19°C (66°F)	21 mm (0.8 inches)	75%	very high
November Weather	13°C (56°F)	13 mm (0.5 inches)	83%	high
December Weather	8°C (47°F)	12 mm (0.5 inches)	82%	moderate