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Weather & Climate
White County, Illinois, United States
Overview
Climate data and monthly weather averages for White County.
Key Metrics
Annual Avg
13.5°C
Summer Avg
24.8°C
Winter Avg
1.2°C
Record High
42.6°C
Record Low
-20.9°C
Annual Precipitation
1192.3 mm
Avg Humidity
77%
Summer Humidity
75%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 21.2° | -0.1° | -20.9° | 76.6 | 83% | 63 | 63.5 |
| Feb | 22.4° | 1.6° | -20.4° | 80.6 | 82% | 78 | 63.1 |
| Mar | 26.6° | 7.5° | -14.4° | 113.1 | 80% | 115 | 61.3 |
| Apr | 28.8° | 13.8° | -5.5° | 125.7 | 78% | 151 | 53.4 |
| May | 32.4° | 19° | 1.7° | 123.7 | 80% | 173 | 58.8 |
| Jun | 42.1° | 23.7° | 4° | 104.7 | 78% | 194 | 49.4 |
| Jul | 42.6° | 25.5° | 11° | 107.6 | 76% | 195 | 35.5 |
| Aug | 40.2° | 25.1° | 10.7° | 85.6 | 72% | 176 | 44.7 |
| Sep | 36.8° | 21.4° | 4.3° | 80.7 | 70% | 142 | 64.6 |
| Oct | 34.3° | 14.4° | -3.5° | 99.5 | 71% | 106 | 48.8 |
| Nov | 27.1° | 7.4° | -10.5° | 97.2 | 76% | 71 | 54.8 |
| Dec | 22.1° | 2.1° | -19.8° | 97.3 | 83% | 54 | 56.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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