Honolulu Weather in August

The climate in Honolulu during August can be summarized as hot and wet.

August is in the summer in Honolulu and is typically the warmest month of the year. Daytime maximum temperatures average around a warm 30°C (86°F), whilst at night 22°C (72°F) is normal.

On average August is the 3rd driest month of the year in Honolulu with around 145mm 5.7 inches of rain making it a wet time to visit. This rainfall is typically spread over 7 days, although this may vary considerably.

On the flip side this corresponds to an average of 10 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 Honolulu in August 2024.