Illinois
April
Weather in Illinois for April 2025
Your guide to Illinois weather in April - trends and predictions
In general, the average temperature in Illinois at the beginning of April is 9.1 °F. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 11.7 °F by the end of April.
Illinois sees moderate rainfall in April, averaging 8 rainy days.
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22
Dry days
8
Rainy days
0
Snow days
16°/4°
Temperatures
24 km/h
Avg max wind
69 %
Avg humidity
Illinois in April average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  9° | 2  9° | 3  7° | 4 11° | 5 12° | 6  9° | |
| 7 7° | 8  15° | 9 15° | 10  15° | 11 14° | 12 16° | 13 19° |
| 14 20° | 15 18° | 16 15° | 17 10° | 18 12° | 19 15° | 20 14° |
| 21 14° | 22 12° | 23 11° | 24 7° | 25 8° | 26 10° | 27 14° |
| 28 15° | 29 15° | 30 13° |
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Temperatures trend during April in Illinois
See the weather trend as well as the moving average line
April weather day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| Apr. 1 | Patchy rain possible | 9° /2° | 3.5 mm | 0 cm | |
| Apr. 2 | Cloudy | 9° /1° | 24.2 mm | 1.1 cm | |
| Apr. 3 | Moderate rain at times | 7° /2° | 6.7 mm | 2.4 cm | |
| Apr. 4 | Patchy rain possible | 11° /3° | 6 mm | 1.6 cm | |
| Apr. 5 | Moderate or heavy rain shower | 12° /4° | 11.1 mm | 0.1 cm | |
| Apr. 6 | Sunny | 9° /1° | 0 mm | 0 cm | |
| Apr. 7 | Sunny | 7° /3° | 3.8 mm | 0 cm | |
| Apr. 8 | Partly cloudy | 15° /6° | 0 mm | 0 cm | |
| Apr. 9 | Sunny | 15° /7° | 0 mm | 0 cm | |
| Apr. 10 | Overcast | 15° /8° | 0.5 mm | 0 cm | |
| Apr. 11 | Partly cloudy | 14° /8° | 10.8 mm | 0 cm | |
| Apr. 12 | Sunny | 16° /8° | 1.9 mm | 0 cm | |
| Apr. 13 | Sunny | 19° /9° | 0 mm | 0 cm | |
| Apr. 14 | Partly cloudy | 20° /9° | 0 mm | 0 cm | |
| Apr. 15 | Moderate or heavy rain shower | 18° /10° | 2.2 mm | 0 cm | |
| Apr. 16 | Moderate or heavy rain shower | 15° /5° | 25.5 mm | 0 cm | |
| Apr. 17 | Moderate or heavy rain shower | 10° /5° | 4.4 mm | 0 cm | |
| Apr. 18 | Sunny | 12° /5° | 2.1 mm | 0 cm | |
| Apr. 19 | Patchy rain possible | 15° /6° | 0.3 mm | 0 cm | |
| Apr. 20 | Moderate or heavy rain shower | 14° /7° | 5.3 mm | 0 cm | |
| Apr. 21 | Patchy rain possible | 14° /6° | 0.3 mm | 0 cm | |
| Apr. 22 | Patchy rain possible | 12° /5° | 0.5 mm | 0 cm | |
| Apr. 23 | Moderate rain at times | 11° /3° | 2 mm | 0 cm | |
| Apr. 24 | Patchy rain possible | 7° /2° | 0.4 mm | 0 cm | |
| Apr. 25 | Patchy rain possible | 8° /3° | 1.3 mm | 0 cm | |
| Apr. 26 | Overcast | 10° /4° | 5.8 mm | 0 cm | |
| Apr. 27 | Sunny | 14° /3° | 0 mm | 0 cm | |
| Apr. 28 | Overcast | 15° /11° | 11.8 mm | 0 cm | |
| Apr. 29 | Moderate rain at times | 15° /9° | 11 mm | 0 cm | |
| Apr. 30 | Patchy rain possible | 13° /7° | 1.6 mm | 0 cm | |
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Important Notice
Our weather forecast for Illinois in April is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Illinois forecast closer to your planned date for the most up-to-date weather information.
Illinois in April - FAQ
What are the expected maximum and minimum temperatures in Illinois during April?
During April, expect a variety of temperatures with highs around 16° and lows near 4°, suitable for diverse activities and preferences.
How much rainfall should be expected in Illinois during April?
Significant rainfall exceeding 286.2 mm is expected in Illinois during April, occurring over more than 8 days. Preparing for wet conditions is recommended in your planning.
Is snowfall common in Illinois during April?
Illinois experiences an average snowfall of 10.5 cm during April, occurring over 0 days, which may interest winter sports enthusiasts.
What are the typical wind conditions in Illinois during April?
The average wind speed in Illinois during April is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
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