San Bernardino Weather in August

What's the weather like in San Bernardino (California) in August 2024?

The climate in San Bernardino during August can be summarized as hot and very dry.

August is in the summer in San Bernardino and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 35°C (95°F), whilst at night 17°C (63°F) is normal.

San Bernardino weather averages (imperial / metric)
Daytime temperature 35.1°C 95.1°F
Nightly temperature 17°C 62.5°F
Average temperature 26°C 78.8°F
Daily sunshine 11.7 hrs
Avg rainfall 5 mm 0.2 ins
Rainy days 1 days
Sea temperature 19.7°C 67.5°F
Humidity 59%
Windspeed 13.7kph 9 mph

On average August is the 3rd driest month of the year in San Bernardino with around 5mm 0.2 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 11.7 hours of sunshine per day.

August temperatures in San Bernardino

San Bernardino average temperature in August

August rainfall

San Bernardino average rain in August

August hourly sunshine

San Bernardino 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 San Bernardino in August 2024.