nomadseason

December Weather in Las Cruces, Mexico

Last updated: August 27, 2025

In December, the average temperature in Las Cruces, Mexico is a brisk 7°C (44°F), with fluctuations ranging from a chilling -7°C (19°F) to a pleasant 21°C (71°F). Expect about 19 mm (0.7 in) of precipitation over approximately 3 days, contributing to an average humidity level of 85%. Prepare accordingly, as the weather can be quite dynamic!

December Temperature in Las Cruces

In December in Las Cruces, the average temperature is 7°C (44°F). Maximums can reach 21°C (71°F), and minimums can drop as low as -7°C (19°F). Be sure to pack versatile clothing to accommodate these varying temperatures while exploring the area.

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

The chart illustrates December 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, December typically has an average temperature of 7°C (44°F), with highs reaching up to 21°C (71°F) and lows dropping to around -7°C (19°F).
JanFebMarAprMayJunJulAugSepOctNovDec434652596673706865605244
Data source: Temperature data for Las Cruces generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Las Cruces

In Las Cruces in December, the precipitation amount is 19 mm (0.7 in) over a period of 3 days.

December Precipitation Trends in Las Cruces

The chart displays monthly precipitation patterns in Las Cruces, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Las Cruces, December typically receives around 19 mm (0.7 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec141413442112711070271619
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Las Cruces

In Las Cruces in December, humidity is 85%. With an average temperature of 7°C (44°F), this humidity feels like a damp chill that seeps into your bones, making outdoor activities uncomfortable and travel less enjoyable.

December Average Humidity in Las Cruces

This chart illustrates the average monthly humidity levels in Las Cruces, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Las Cruces is approximately 85%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%69%63%50%39%36%60%78%82%76%80%85%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Las Cruces

In Las Cruces in December, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Las Cruces, you can refer to this Hourly UV Index in Las Cruces.

Maximum UV Index Levels in Las Cruces for December

The chart shows the monthly maximum UV Index (UVI) for Las Cruces in December, 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 December, the maximum UV index in Las Cruces typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec69111313131313121076
Data source: Las Cruces December 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 December 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 December’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 December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)14 mm (0.5 inches)78%high
February Weather8°C (46°F)14 mm (0.5 inches)69%very high
March Weather11°C (53°F)13 mm (0.5 inches)63%extreme
April Weather15°C (60°F)4 mm (0.2 inches)49%extreme
May Weather19°C (66°F)4 mm (0.2 inches)39%extreme
June Weather23°C (73°F)21 mm (0.8 inches)36%extreme
July Weather21°C (70°F)127 mm (5.0 inches)60%extreme
August Weather20°C (68°F)110 mm (4.3 inches)78%extreme
September Weather18°C (65°F)70 mm (2.8 inches)82%extreme
October Weather15°C (60°F)27 mm (1.0 inches)76%very high
November Weather11°C (52°F)16 mm (0.6 inches)80%high
December Weather7°C (44°F)19 mm (0.7 inches)85%high

Compare Las Cruces's Climate with Cities Worldwide