Alameda Weather in August

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

The climate in Alameda during August can be summarized as mild and very dry.

August is in the summer in Alameda and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around 22°C (72°F), whilst at night 13°C (56°F) is normal.

Alameda weather averages (imperial / metric)
Daytime temperature 22.4°C 72.2°F
Nightly temperature 13.3°C 55.9°F
Average temperature 17.8°C 64°F
Daily sunshine 10.6 hrs
Avg rainfall 2 mm 0.1 ins
Rainy days 1 days
Sea temperature 14°C 57.2°F
Humidity 70%
Windspeed 18.4kph 11 mph

On average August is the 2nd driest month of the year in Alameda 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 10.6 hours of sunshine per day.

August temperatures in Alameda

Alameda average temperature in August

August rainfall

Alameda average rain in August

August hourly sunshine

Alameda 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 Alameda in August 2025.