January Weather in Los Alamos, United States

Last updated: June 24, 2025

In Los Alamos, United States, the average temperature in January hovers around -3°C (28°F). However, be prepared for a broad temperature range, with minimums plunging to -21°C (-5°F) and maximums reaching up to 14°C (57°F). Expect about 30 mm (1.2 in) of precipitation over 6 days, alongside an average humidity level of 78%.

January Temperature in Los Alamos

In January in Los Alamos, the average temperature is -3°C (28°F), with maximums reaching 14°C (57°F) and minimums dropping as low as -21°C (-5°F). Be sure to pack warm clothing and prepare for varying weather conditions during your travels.

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

The chart illustrates January 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, January typically has an average temperature of -3°C (28°F), with highs reaching up to 14°C (57°F) and lows dropping to around -21°C (-5°F).

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

January Precipitation in Los Alamos

In Los Alamos in January, the total precipitation amount is 30 mm (1.2 in) spread across 6 days.

January Precipitation Trends in Los Alamos

The chart displays monthly precipitation patterns in Los Alamos, 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 Los Alamos, January typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 6 days.

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

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Millimeters (mm) Inches (in)

January Humidity in Los Alamos

In Los Alamos in January, humidity is 78%. With an average temperature of -3°C (28°F), this humidity feels like an eerie chill that seeps into your bones, making it essential to dress in layers while exploring the frosty landscape.

January Average Humidity in Los Alamos

This chart illustrates the average monthly humidity levels in Los Alamos, 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 Los Alamos is approximately 78%, 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 Los Alamos

In Los Alamos 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 Los Alamos.

Maximum UV Index Levels in Los Alamos for January

The chart shows the monthly maximum UV Index (UVI) for Los Alamos 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 Los Alamos typically reaches 5, which falls under the moderate exposure category.

Data source: Los Alamos 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 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 January’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 January’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-3°C (28°F)	30 mm (1.2 inches)	78%	moderate
February Weather	-1°C (30°F)	31 mm (1.2 inches)	79%	very high
March Weather	4°C (40°F)	39 mm (1.5 inches)	66%	very high
April Weather	9°C (49°F)	30 mm (1.2 inches)	60%	extreme
May Weather	14°C (58°F)	30 mm (1.2 inches)	57%	extreme
June Weather	20°C (67°F)	32 mm (1.3 inches)	55%	extreme
July Weather	21°C (70°F)	76 mm (3.0 inches)	56%	extreme
August Weather	20°C (68°F)	65 mm (2.6 inches)	65%	extreme
September Weather	17°C (62°F)	51 mm (2.0 inches)	72%	extreme
October Weather	10°C (50°F)	57 mm (2.2 inches)	78%	very high
November Weather	4°C (39°F)	32 mm (1.3 inches)	81%	high
December Weather	-1°C (30°F)	23 mm (0.9 inches)	79%	moderate