Marion Weather in August

What's the weather like in Marion (Illinois) in August 2024?

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

August is in the summer in Marion and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 31°C (88°F), whilst at night 18°C (64°F) is normal.

Marion weather averages (imperial / metric)
Daytime temperature 31°C 87.8°F
Nightly temperature 18°C 64.4°F
Average temperature 24.5°C 76.1°F
Daily sunshine 10.2 hrs
Avg rainfall 88 mm 3.5 ins
Rainy days 8 days
Sea temperature 24°C 75.2°F
Humidity 72%
Windspeed 11.5kph 7 mph

On average August is the 5th driest month of the year in Marion with around 88mm 3.5 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 10.2 hours of sunshine per day.

August temperatures in Marion

Marion average temperature in August

August rainfall

Marion average rain in August

August hourly sunshine

Marion 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 Marion in August 2024.