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December Weather in Los Alamos, Mexico

Last updated: August 27, 2025

In December, the average temperature in Los Alamos, Mexico hovers around 14°C (58°F). However, temperatures can vary widely, with a minimum of -1°C (31°F) and soaring to a maximum of 34°C (93°F). Expect some rain, as the area receives about 17 mm (0.7 in) of precipitation over the course of 3 days. Don’t forget to prepare for high humidity, averaging 87% during this season!

December Temperature in Los Alamos

In December in Los Alamos, the average temperature is 14°C (58°F). The maximum can reach 34°C (93°F), and the minimum can be as low as -1°C (31°F). Therefore, travelers should be prepared for a wide range of temperatures and pack accordingly to ensure comfort during their visit.

December Weather in Los Alamos: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Los Alamos, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Los Alamos, December typically has an average temperature of 14°C (58°F), with highs reaching up to 34°C (93°F) and lows dropping to around -1°C (31°F).
JanFebMarAprMayJunJulAugSepOctNovDec555968748185878781736358
Data source: Temperature data for Los Alamos 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 Los Alamos

In Los Alamos in December, the precipitation amount is 17 mm (0.7 in) over the course of 3 days.

December Precipitation Trends in Los Alamos

The chart displays monthly precipitation patterns in Los Alamos, 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 Los Alamos, December typically receives around 17 mm (0.7 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec1213193096425436110551617
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Los Alamos

In Los Alamos in December humidity is 87%. With an average temperature of 14°C (58°F), this humidity feels like walking through a thick, warm blanket, making travel feel more exhausting and sticky, as sweat clings to the skin and the air feels heavy.

December Average Humidity in Los Alamos

This chart illustrates the average monthly humidity levels in Los Alamos, 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 Los Alamos is approximately 87%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%75%70%73%79%78%65%55%68%77%84%87%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Los Alamos

In Los Alamos in December, 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 Los Alamos.

Maximum UV Index Levels in Los Alamos for December

The chart shows the monthly maximum UV Index (UVI) for Los Alamos 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 Los Alamos typically reaches 5, which falls under the moderate exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec6810111112121211975
Data source: Los Alamos 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 Los Alamos Compares to Other Months

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

This table compares monthly weather conditions in Los Alamos, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather13°C (55°F)12 mm (0.5 inches)76%high
February Weather15°C (60°F)13 mm (0.5 inches)75%very high
March Weather20°C (69°F)19 mm (0.7 inches)70%very high
April Weather24°C (75°F)30 mm (1.2 inches)73%extreme
May Weather27°C (81°F)96 mm (3.8 inches)79%extreme
June Weather29°C (85°F)42 mm (1.6 inches)78%extreme
July Weather30°C (87°F)54 mm (2.1 inches)65%extreme
August Weather31°C (87°F)36 mm (1.4 inches)55%extreme
September Weather27°C (82°F)110 mm (4.3 inches)68%extreme
October Weather23°C (73°F)54 mm (2.1 inches)77%very high
November Weather17°C (63°F)16 mm (0.6 inches)84%high
December Weather14°C (58°F)17 mm (0.7 inches)87%moderate

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