Williamson County (Energy)
June
Weather in Williamson County, Illinois for June 2026
Your guide to Williamson County weather in June - trends and predictions
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So far, June 2026 in Williamson County is slightly warmer than the historical average by 2 °F.
The forecast for the next days in Williamson County predicts temperatures to be around 30 °F, close to the historical average.
In general, the average temperature in Williamson County at the beginning of June is 27.6 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 31.1 °F by the end of June.
Williamson County in June brings notable rainfall, with an average of 17 rainy days and a total precipitation of 223.2 mm.
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Temperatures
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13
Dry days
17
Rainy days
0
Snow days
28°/19°
Temperatures
17 km/h
Avg max wind
76 %
Avg humidity
Williamson County Weather June
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Temperatures trend during June in Williamson County
See the weather trend as well as the moving average line
June weather in Williamson County day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Moderate or heavy rain shower | 25° /15° | 9.4 mm | 6 | |
| Jun. 2 |  Fog | 28° /17° | 0 mm | 8 | |
| Jun. 3 |  Patchy light rain with thunder | 30° /17° | 2.9 mm | 9 | |
| Jun. 4 |  Moderate or heavy rain with thunder | 28° /18° | 6.3 mm | 8 | |
| Jun. 5 |  Light rain shower | 28° /18° | 27.2 mm | 8 | |
| Jun. 6 |  Partly cloudy | 28° /19° | 6.1 mm | 8 | |
| Jun. 7 |  Sunny | 26° /16° | 15.8 mm | 8 | |
| Jun. 8 |  Moderate rain | 27° /18° | 7.5 mm | 6 | |
| Jun. 9 |  Light drizzle | 26° /19° | 22.4 mm | 7 | |
| Jun. 10 | Patchy rain possible | 27° /17° | 0 mm | 8 | |
| Jun. 11 | Sunny | 29° /17° | 2.1 mm | 8 | |
| Jun. 12 | Sunny | 29° /18° | 2.5 mm | 9 | |
| Jun. 13 | Moderate or heavy rain shower | 27° /18° | 10.9 mm | 8 | |
| Jun. 14 | Light rain shower | 28° /19° | 5.8 mm | 8 | |
| Jun. 15 | Sunny | 28° /16° | 0 mm | 8 | |
| Jun. 16 |  Thundery outbreaks possible | 29° /18° | 29.4 mm | 8 | |
| Jun. 17 | Thundery outbreaks possible | 30° /20° | 0.7 mm | 8 | |
| Jun. 18 | Patchy rain possible | 30° /22° | 8.7 mm | 8 | |
| Jun. 19 | Sunny | 30° /19° | 2.8 mm | 9 | |
| Jun. 20 | Sunny | 33° /18° | 0 mm | 10.4 | |
| Jun. 21 | Moderate rain | 28° /19° | 6 mm | 5.7 | |
| Jun. 22 | Moderate rain | 23° /19° | 9.6 mm | 6 | |
| Jun. 23 | Partly cloudy | 25° /17° | 0.1 mm | 6.2 | |
| Jun. 24 | Sunny | 29° /16° | 0 mm | 9.8 | |
| Jun. 25 | Patchy rain possible | 28° /20° | 3.4 mm | 0.4 | |
| Jun. 26 | Patchy rain possible | 28° /20° | 3.2 mm | 5 | |
| Jun. 27 | Sunny | 31° /21° | 0 mm | 7 | |
| Jun. 28 | Sunny | 33° /25° | 0 mm | 7 | |
| Jun. 29 | Sunny | 34° /25° | 0 mm | 7 | |
| Jun. 30 | Sunny | 35° /24° | 0 mm | 7 | |
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Important Notice
Our weather forecast for Williamson County in June 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 June - FAQ
What are the expected maximum and minimum temperatures in Williamson County during June?
During June, expect a variety of temperatures with highs around 28° and lows near 19°, suitable for diverse activities and preferences.
How much rainfall should be expected in Williamson County during June?
Significant rainfall exceeding 223.2 mm is expected in Williamson County during June, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Williamson County during June?
The average wind speed in Williamson County during June is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Williamson County
Explore the daily rainfall trends and prepare for Williamson Countys June weather 💧
Typically, Williamson County has 17 rainy days in June with a total of 223.2 mm of rainfall.
UV exposure in Williamson County during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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Where is Williamson County?Get accurate weather forecasts for Williamson County, located at latitude 37.774 and longitude -89.026. Stay updated with localized weather information tailored for Williamson County.
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