Los Alamos Weather in May

What's the weather like in Los Alamos (California) in May 2025?

The climate in Los Alamos during May can be summarized as mild and very dry.

May is in the spring in Los Alamos and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 20°C (67°F), whilst at night 8°C (46°F) is normal.

Los Alamos weather averages (imperial / metric)
Daytime temperature 19.6°C 67.2°F
Nightly temperature 7.7°C 45.8°F
Average temperature 13.6°C 56.5°F
Daily sunshine 10.9 hrs
Avg rainfall 8 mm 0.3 ins
Rainy days 2 days
Sea temperature 13.9°C 57°F
Humidity 74%
Windspeed 14.8kph 9 mph

On average May is the 4th driest month of the year in Los Alamos with around 8mm 0.3 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 10.9 hours of sunshine per day.

May temperatures in Los Alamos

Los Alamos average temperature in May

May rainfall

Los Alamos average rain in May

May hourly sunshine

Los Alamos average rain in May

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Los Alamos in May 2025.