San Diego Weather in August

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

The climate in San Diego during August can be summarized as warm, humid and very dry.

August is in the summer in San Diego and is typically the warmest month of the year. Daytime maximum temperatures average around a muggy 27°C (80°F), whilst at night 18°C (65°F) is normal.

San Diego weather averages (imperial / metric)
Daytime temperature 26.9°C 80.4°F
Nightly temperature 18.3°C 64.9°F
Average temperature 22.6°C 72.7°F
Daily sunshine 10.4 hrs
Avg rainfall 2 mm 0.1 ins
Rainy days 1 days
Sea temperature 20.5°C 68.9°F
Humidity 73%
Windspeed 14kph 9 mph

On average August is the 2nd driest month of the year in San Diego with around 2mm 0.1 inches of rain making it a very dry time to visit.

On the flip side this corresponds to an average of 10.4 hours of sunshine per day.

August temperatures in San Diego

San Diego average temperature in August

August rainfall

San Diego average rain in August

August hourly sunshine

San Diego 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 Diego in August 2024.