Seaside Weather in August

The climate in Seaside during August can be summarized as hot, humid and wet.

August is in the summer in Seaside and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a steamy 33°C (91°F), whilst at night 22°C (72°F) is normal.

On average August is the 2nd wettest month of the year in Seaside with around 177mm 7 inches of rain making it a wet time to visit. This rainfall is typically spread over 14 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.8 hours of sunshine per day.

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 Seaside in August 2025.