Decatur (IL)
June
Weather in Decatur, Illinois for June 2027
Your guide to Decatur weather in June - trends and predictions
In general, the average temperature in Decatur at the beginning of June is 25.7 °C. As the month progressed, temperatures tended to significantly warm up, reaching an average of 28.8 °C by the end of June.
The climate of Decatur in June is notably wet, with an average of 14 rainy days, and a total of 186.5 mm of precipitation.
Is June a good time to visit Decatur? check out the best time to travel to Decatur page.
✨ Is June a good time to visit Decatur? – Ask the AI Weatherman
Temperatures
Rain 🌧️
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16
Dry days
14
Rainy days
0
Snow days
27°/18°
Temperatures
20 km/h
Avg max wind
75 %
Avg humidity
Decatur Weather June
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Temperatures trend during June in Decatur
See the weather trend as well as the moving average line
June weather in Decatur day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Jun. 1 |  Light rain | 23° /13° | 9.8 mm | 7 | |
| Jun. 2 |  Sunny | 27° /15° | 0 mm | 8 | |
| Jun. 3 | Light rain | 29° /16° | 5.8 mm | 8 | |
| Jun. 4 | Light rain | 25° /17° | 8.4 mm | 7 | |
| Jun. 5 | Light rain | 25° /18° | 5.9 mm | 8 | |
| Jun. 6 |  Patchy rain possible | 25° /18° | 0.4 mm | 7 | |
| Jun. 7 | Light rain | 25° /16° | 4.9 mm | 8 | |
| Jun. 8 |  Moderate rain | 23° /17° | 23.6 mm | 5 | |
| Jun. 9 | Light rain | 27° /17° | 3.7 mm | 8 | |
| Jun. 10 | Patchy rain possible | 26° /15° | 1.7 mm | 8 | |
| Jun. 11 | Moderate rain | 28° /15° | 12.6 mm | 8 | |
| Jun. 12 |  Partly cloudy | 27° /16° | 0 mm | 8 | |
| Jun. 13 |  Thundery outbreaks possible | 27° /17° | 13.2 mm | 8 | |
| Jun. 14 | Light rain | 25° /18° | 2.7 mm | 8 | |
| Jun. 15 | Partly cloudy | 26° /15° | 0 mm | 9 | |
| Jun. 16 |  Patchy light rain with thunder | 27° /17° | 24.6 mm | 8 | |
| Jun. 17 | Patchy light rain with thunder | 28° /18° | 9.7 mm | 8 | |
| Jun. 18 | Patchy rain possible | 27° /20° | 1.4 mm | 8 | |
| Jun. 19 | Moderate rain | 26° /18° | 10.8 mm | 8 | |
| Jun. 20 | Patchy rain possible | 29° /19° | 0.6 mm | 8 | |
| Jun. 21 | Moderate rain | 30° /20° | 11.4 mm | 10 | |
| Jun. 22 | Partly cloudy | 29° /21° | 0.2 mm | 7 | |
| Jun. 23 | Sunny | 29° /19° | 0.5 mm | 9 | |
| Jun. 24 | Sunny | 30° /19° | 0.6 mm | 9 | |
| Jun. 25 | Moderate rain | 31° /20° | 15.3 mm | 9 | |
| Jun. 26 | Light rain | 27° /20° | 8.5 mm | 5 | |
| Jun. 27 | Light rain | 28° /19° | 4.7 mm | 5 | |
| Jun. 28 | Light drizzle | 29° /19° | 1.9 mm | 7 | |
| Jun. 29 | Light rain | 30° /22° | 3.7 mm | 8 | |
| Jun. 30 | Sunny | 28° /19° | 0 mm | 8 | |
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Important Notice
Our weather forecast for Decatur 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 Decatur forecast closer to your planned date for the most up-to-date weather information.
Change Month
Decatur in June - FAQ
What are the expected maximum and minimum temperatures in Decatur during June?
During June, expect a variety of temperatures with highs around 27° and lows near 18°, suitable for diverse activities and preferences.
How much rainfall should be expected in Decatur during June?
Significant rainfall exceeding 186.5 mm is expected in Decatur during June, occurring over more than 14 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Decatur during June?
The average wind speed in Decatur during June is 20 km/h, suggesting breezy to windy conditions, depending on your activities.
June rainfall patterns in Decatur
Explore the daily rainfall trends and prepare for Decaturs June weather 💧
Typically, Decatur has 14 rainy days in June with a total of 186.5 mm of rainfall.
UV exposure in Decatur during June
Stay informed about UV levels for safe outdoor activities throughout the month of June ☀️
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