Chester Weather in April

What's the weather like in Chester (Illinois) in April 2025?

The climate in Chester during April can be summarized as mild and damp.

April is in the spring in Chester and is typically the 6th coldest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 7°C (45°F) is normal.

Chester weather averages (imperial / metric)
Daytime temperature 20.1°C 68.2°F
Nightly temperature 7.3°C 45.1°F
Average temperature 13.7°C 56.7°F
Daily sunshine 8.3 hrs
Avg rainfall 101 mm 4 ins
Rainy days 11 days
Sea temperature 12.5°C 54.5°F
Humidity 64%
Windspeed 18.4kph 11 mph

On average April is the 4th wettest month of the year in Chester with around 101mm 4 inches of rain making it a damp time to visit. This rainfall is typically spread over 11 days, although this may vary considerably.

On the flip side this corresponds to an average of 8.3 hours of sunshine per day.

April temperatures in Chester

Chester average temperature in April

April rainfall

Chester average rain in April

April hourly sunshine

Chester average rain in April

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 Chester in April 2024.

Other monthly averages

Best places to visit in April

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

Chester weather stats

Chester weather statistics
Hottest month: July 31.7°C 89.1°F
Driest month: January 56mm 2.2ins
Sunniest month: July 10.9hrs
Coldest month: January 4.1°C 39.4°F
Wettest month: May 116mm 4.6ins
Map showing location of Chester (37.91366, -89.82205) Chester map pin © Google

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