Greenville Weather in August

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

The climate in Greenville during August can be summarized as hot, humid and reasonably dry.

August is in the summer in Greenville and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (86°F), whilst at night 17°C (63°F) is normal.

Greenville weather averages (imperial / metric)
Daytime temperature 30.1°C 86.2°F
Nightly temperature 17.3°C 63.1°F
Average temperature 23.7°C 74.7°F
Daily sunshine 9.9 hrs
Avg rainfall 72 mm 2.8 ins
Rainy days 8 days
Sea temperature 22.8°C 73.1°F
Humidity 72%
Windspeed 13kph 8 mph

On average August is the 3rd driest month of the year in Greenville with around 72mm 2.8 inches of rain making it a reasonably dry 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 9.9 hours of sunshine per day.

August temperatures in Greenville

Greenville average temperature in August

August rainfall

Greenville average rain in August

August hourly sunshine

Greenville 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 Greenville in August 2024.