Williamson County (Energy)
April
Weather in Williamson County, Illinois for April 2027
Your guide to Williamson County weather in April - trends and predictions
In general, the average temperature in Williamson County at the beginning of April is 17.5 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 22.1 °C by the end of April.
The climate of Williamson County in April is notably wet, with an average of 12 rainy days, and a total of 339.2 mm of precipitation.
Is April a good time to visit Williamson County? check out the best time to travel to Williamson County page.
✨ Is April a good time to visit Williamson County? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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18
Dry days
12
Rainy days
0
Snow days
20°/10°
Temperatures
24 km/h
Avg max wind
74 %
Avg humidity
Williamson County Weather April
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Temperatures trend during April in Williamson County
See the weather trend as well as the moving average line
April weather in Williamson County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 |  Patchy rain possible | 21° /13° | 1.5 mm | 5 | |
| Apr. 2 |  Thundery outbreaks possible | 23° /12° | 19.8 mm | 4 | |
| Apr. 3 |  Heavy rain | 17° /11° | 38.7 mm | 4 | |
| Apr. 4 | Heavy rain | 18° /7° | 36.5 mm | 3 | |
| Apr. 5 | Heavy rain | 15° /4° | 57.3 mm | 5 | |
| Apr. 6 | Heavy rain | 13° /3° | 36.6 mm | 4 | |
| Apr. 7 | Light rain shower | 16° /4° | 0.8 mm | 5 | |
| Apr. 8 |  Partly cloudy | 19° /5° | 0 mm | 6 | |
| Apr. 9 | Light rain shower | 19° /10° | 0.7 mm | 5 | |
| Apr. 10 |  Moderate rain | 20° /12° | 11.3 mm | 5 | |
| Apr. 11 | Moderate rain | 16° /10° | 21.6 mm | 3 | |
| Apr. 12 |  Sunny | 19° /9° | 0 mm | 5 | |
| Apr. 13 |  Cloudy | 24° /11° | 0 mm | 5 | |
| Apr. 14 |  Patchy light rain with thunder | 23° /15° | 0.7 mm | 5 | |
| Apr. 15 |  Patchy light drizzle | 22° /14° | 0.1 mm | 6 | |
| Apr. 16 | Moderate rain | 23° /13° | 12.4 mm | 6 | |
| Apr. 17 | Patchy rain possible | 24° /14° | 0.1 mm | 6 | |
| Apr. 18 | Light rain | 22° /12° | 5.7 mm | 4 | |
| Apr. 19 | Patchy rain possible | 18° /9° | 2.2 mm | 6 | |
| Apr. 20 | Partly cloudy | 19° /9° | 0 mm | 6 | |
| Apr. 21 | Moderate rain | 19° /9° | 14.4 mm | 6 | |
| Apr. 22 |  Overcast | 20° /7° | 0 mm | 6 | |
| Apr. 23 | Patchy rain possible | 23° /10° | 1.8 mm | 7 | |
| Apr. 24 | Light rain | 21° /12° | 6.4 mm | 6 | |
| Apr. 25 | Patchy rain possible | 21° /11° | 1.4 mm | 6 | |
| Apr. 26 | Light rain | 21° /11° | 3 mm | 6 | |
| Apr. 27 | Heavy rain | 22° /15° | 30.3 mm | 5 | |
| Apr. 28 | Light rain | 25° /16° | 3.5 mm | 7 | |
| Apr. 29 | Heavy rain | 21° /14° | 25.2 mm | 5 | |
| Apr. 30 | Light rain | 23° /13° | 7 mm | 7 | |
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Important Notice
Our weather forecast for Williamson County 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 Williamson County forecast closer to your planned date for the most up-to-date weather information.
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Williamson County in April - FAQ
What are the expected maximum and minimum temperatures in Williamson County during April?
Enjoy moderate daytime temperatures of up to 20° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Williamson County during April?
Significant rainfall exceeding 339.2 mm is expected in Williamson County during April, occurring over more than 12 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Williamson County in April 2027?
Williamson County typically sees 0 cm of snowfall during April.
What are the typical wind conditions in Williamson County during April?
The average wind speed in Williamson County during April is 24 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in Williamson County
Explore the daily rainfall trends and prepare for Williamson Countys April weather 💧
Typically, Williamson County has 12 rainy days in April with a total of 339.2 mm of rainfall.
UV exposure in Williamson County during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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