Normal Weather in August

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

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

August is in the summer in Normal and is typically the 2nd warmest month of the year. Daytime maximum temperatures average around a muggy 29°C (84°F), whilst at night 16°C (61°F) is normal.

Normal weather averages (imperial / metric)
Daytime temperature 28.8°C 83.8°F
Nightly temperature 16°C 60.8°F
Average temperature 22.4°C 72.3°F
Daily sunshine 9.8 hrs
Avg rainfall 84 mm 3.3 ins
Rainy days 9 days
Sea temperature 21.7°C 71°F
Humidity 74%
Windspeed 13kph 8 mph

On average August is the 6th wettest month of the year in Normal with around 84mm 3.3 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 9 days, although this may vary considerably.

On the flip side this corresponds to an average of 9.8 hours of sunshine per day.

August temperatures in Normal

Normal average temperature in August

August rainfall

Normal average rain in August

August hourly sunshine

Normal 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 Normal in August 2024.

Other monthly averages

Best places to visit in August

UV index Best time to go?

Normal weather stats

Normal weather statistics
Hottest month: July 29.8°C 85.6°F
Driest month: February 41mm 1.6ins
Sunniest month: July 10.8hrs
Coldest month: January -1.1°C 30°F
Wettest month: July 108mm 4.3ins
Map showing location of Normal (40.5142, -88.99063) Normal map pin © Google

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