Decatur Weather in April

What's the weather like in Decatur (Illinois) in April 2024?

The climate in Decatur during April can be summarized as mild and a little damp.

April is in the spring in Decatur and is typically the 6th coldest month of the year. Daytime maximum temperatures average around a cool 18°C (65°F), whilst at night 5°C (42°F) is normal.

Decatur weather averages (imperial / metric)
Daytime temperature 18.2°C 64.8°F
Nightly temperature 5.4°C 41.7°F
Average temperature 11.8°C 53.2°F
Daily sunshine 8 hrs
Avg rainfall 96 mm 3.8 ins
Rainy days 12 days
Sea temperature 9.5°C 49.1°F
Humidity 65%
Windspeed 20.2kph 13 mph

On average April is the 4th wettest month of the year in Decatur with around 96mm 3.8 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 12 days, although this may vary considerably.

On the flip side this corresponds to an average of 8 hours of sunshine per day.

April temperatures in Decatur

Decatur average temperature in April

April rainfall

Decatur average rain in April

April hourly sunshine

Decatur 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 Decatur in April 2024.