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May Weather in Los Alamos, United States

Last updated: June 24, 2025

In May, the average temperature in Los Alamos, United States hovers around 14°C (58°F). You can expect temperatures to fluctuate between a chilly -7°C (20°F) and a warm 29°C (85°F). While you're out enjoying the sights, keep in mind that precipitation averages 30 mm (1.2 in) over about 6 days, accompanied by an average humidity of 57%.

May Temperature in Los Alamos

In May in Los Alamos, the average temperature is 14°C (58°F). Maximums can reach 29°C (85°F) and minimums can be as low as -7°C (20°F). Be prepared for a wide range of temperatures, ensuring you pack layers for your travels.

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

The chart illustrates May 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, May typically has an average temperature of 14°C (58°F), with highs reaching up to 29°C (85°F) and lows dropping to around -7°C (20°F).
JanFebMarAprMayJunJulAugSepOctNovDec273040485767706762493930
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.

May Precipitation in Los Alamos

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

May Precipitation Trends in Los Alamos

The chart displays monthly precipitation patterns in Los Alamos, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Los Alamos, May typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 6 days.
JanFebMarAprMayJunJulAugSepOctNovDec313139303032766651573224
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Los Alamos

In Los Alamos in May, humidity is 57%. With an average temperature of 14°C (58°F), this humidity feels like a refreshing blanket, making it pleasant for traveling as you can explore comfortably without the sweltering heat weighing you down.

May Average Humidity in Los Alamos

This chart illustrates the average monthly humidity levels in Los Alamos, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Los Alamos is approximately 57%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec78%79%66%60%57%55%57%65%72%78%81%79%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Los Alamos

In Los Alamos in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Los Alamos.

Maximum UV Index Levels in Los Alamos for May

The chart shows the monthly maximum UV Index (UVI) for Los Alamos in May, 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 May, the maximum UV index in Los Alamos typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5810111213131211864
Data source: Los Alamos May 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 May 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 May’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 May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
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 Weather4°C (40°F)39 mm (1.5 inches)66%very high
April Weather9°C (49°F)30 mm (1.2 inches)60%extreme
May Weather14°C (58°F)30 mm (1.2 inches)57%extreme
June Weather20°C (67°F)32 mm (1.3 inches)55%extreme
July Weather21°C (70°F)76 mm (3.0 inches)56%extreme
August Weather20°C (68°F)65 mm (2.6 inches)65%extreme
September Weather17°C (62°F)51 mm (2.0 inches)72%extreme
October Weather10°C (50°F)57 mm (2.2 inches)78%very high
November Weather4°C (39°F)32 mm (1.3 inches)81%high
December Weather-1°C (30°F)23 mm (0.9 inches)79%moderate

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