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December Weather in Las Cruces, Mexico

Last updated: August 27, 2025

In Las Cruces, Mexico, the average temperature in December hovers around 24°C (76°F). Expect a range from a cool 14°C (58°F) to a sweltering 36°C (97°F). During this period, you'll notice precipitation totaling 26 mm (1.0 in) over about 3 days, accompanied by an average humidity level of 70%. Stay prepared to enjoy the diverse weather!

December Temperature in Las Cruces

In December in Las Cruces, the average temperature is 24°C (76°F), with maximums reaching up to 36°C (97°F) and minimums dropping as low as 14°C (58°F). This pleasant climate makes it an ideal destination for travelers seeking a comfortable getaway.

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 24°C (76°F), with highs reaching up to 36°C (97°F) and lows dropping to around 14°C (58°F).
JanFebMarAprMayJunJulAugSepOctNovDec767880828279797877777775
Data source: Temperature data for Las Cruces generated using information from the Copernicus Climate Change Service.
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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 26 mm (1.0 in) recorded over the course 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 26 mm (1.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec5422382832293874323487326
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Las Cruces

In Las Cruces in December, humidity is 70%. With an average temperature of 24°C (76°F), this humidity feels like a warm, enveloping blanket that can make outdoor activities feel a bit sticky and heavier, so travelers should stay hydrated and take regular breaks to enjoy the sights comfortably.

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 70%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%61%59%62%73%78%79%82%82%79%72%70%
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 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the 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 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec1011141314141413141298
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 Weather25°C (77°F)5 mm (0.2 inches)65%very high
February Weather25°C (78°F)4 mm (0.1 inches)61%extreme
March Weather27°C (80°F)2 mm (0.1 inches)59%extreme
April Weather28°C (82°F)2 mm (0.1 inches)62%extreme
May Weather28°C (83°F)38 mm (1.5 inches)73%extreme
June Weather26°C (79°F)283 mm (11.1 inches)78%extreme
July Weather26°C (79°F)229 mm (9.0 inches)79%extreme
August Weather25°C (78°F)387 mm (15.2 inches)82%extreme
September Weather25°C (77°F)431 mm (17.0 inches)82%extreme
October Weather25°C (77°F)348 mm (13.7 inches)79%extreme
November Weather25°C (77°F)73 mm (2.9 inches)72%very high
December Weather24°C (76°F)26 mm (1.0 inches)70%very high

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