Weather in April 2025

Illinois weather in April 2025

°C °F

The average weather in Illinois in April

The temperatures in Illinois in April are quite cold with temperatures between 5°C and 12°C, warm clothes are a must.

You can expect about 3 to 8 days of rain in Illinois during the month of April. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.

You can expect a few days of snow in Illinois during April. It’s important to get out your snow boots and warm mittens to stay warm while you explore Illinois.

Our weather forecast can give you a great sense of what weather to expect in Illinois in April 2025.

If you’re planning to visit Illinois in the near future, we highly recommend that you review the 14 day weather forecast for Illinois before you arrive.

Temperatures
12° / 5°
Rainy Days
7
Snowy Days
3
Dry Days
21
Rainfall
79
mm
Sun Hours
8.2
Hrs

Explore the weather in Illinois in other months

Illinois annual weather

Month Temperatures Rainy Days Dry Days Snowy Days Rainfall Weather More details
January -2° / -7° 5 11 15 39 mm
Awful
February 0° / -6° 4 11 14 41 mm
Awful
March 7° / 1° 6 19 6 55 mm
Bad
April 12° / 5° 7 21 3 79 mm
Awful
May 19° / 12° 7 24 0 98 mm
Ok
June 24° / 17° 7 23 0 128 mm
Good
July 27° / 20° 7 24 0 114 mm
Good
August 27° / 19° 5 26 0 100 mm
Perfect
September 24° / 16° 4 26 0 64 mm
Perfect
October 16° / 10° 5 25 0 65 mm
Good
November 9° / 3° 4 22 4 40 mm
Bad
December 3° / -2° 5 16 10 38 mm
Awful

Weather in Illinois in April - FAQ

What is the average temperature in Illinois in April?
The average temperature in Illinois in April is 5/12° C.
What is the chance of rain in Illinois in April?
On average, there are 7 rainy days in Illinois during April.
Weather wise, is April a good time to visit Illinois?
The weather in Illinois in April is awful.
Can it snow in Illinois in April?
On average, there are 3 snowy days in Illinois in April.
Cities in Illinois

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More about the weather in Illinois