Dayton Weather in August

The climate in Dayton during August can be summarized as hot, humid and a little damp.

August is in the summer in Dayton and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 18°C (65°F) is normal.

On average August is the 2nd driest month of the year in Dayton with around 97mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 10 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.9 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 Dayton in August 2024.