Los Alamos Weather in August

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

The climate in Los Alamos during August can be summarized as warm and very dry.

August is in the summer in Los Alamos and is typically the warmest month of the year. Daytime maximum temperatures average around 24°C (75°F), whilst at night 12°C (54°F) is normal.

Los Alamos weather averages (imperial / metric)
Daytime temperature 24.1°C 75.3°F
Nightly temperature 12.2°C 53.9°F
Average temperature 18.1°C 64.6°F
Daily sunshine 10.3 hrs
Avg rainfall 3 mm 0.1 ins
Rainy days 1 days
Sea temperature 17.2°C 62.9°F
Humidity 77%
Windspeed 11.2kph 7 mph

On average August is the 3rd driest month of the year in Los Alamos with around 3mm 0.1 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 10.3 hours of sunshine per day.

August temperatures in Los Alamos

Los Alamos average temperature in August

August rainfall

Los Alamos average rain in August

August hourly sunshine

Los Alamos average rain in August

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 August 2025.