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Weather & Climate
Fulton County, Illinois, United States
Overview
Climate data and monthly weather averages for Fulton County.
Key Metrics
Annual Avg
11.2°C
Summer Avg
23.8°C
Winter Avg
-2.4°C
Record High
42.8°C
Record Low
-32°C
Annual Precipitation
957.4 mm
Avg Humidity
76%
Summer Humidity
73%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19° | -3.9° | -32° | 48.7 | 84% | 57 | 61.3 |
| Feb | 21.2° | -2.2° | -24.5° | 47.6 | 81% | 78 | 65.7 |
| Mar | 26.4° | 4.6° | -20.5° | 65.4 | 77% | 116 | 67.5 |
| Apr | 28.9° | 11.5° | -7° | 99.6 | 74% | 146 | 59.4 |
| May | 34.6° | 17.3° | -0.5° | 116.6 | 76% | 174 | 58.5 |
| Jun | 42° | 22.6° | 5.9° | 112.8 | 76% | 189 | 49.9 |
| Jul | 42.8° | 24.9° | 10.2° | 92.1 | 72% | 197 | 38.2 |
| Aug | 40.8° | 24° | 8.1° | 90.8 | 70% | 172 | 39.9 |
| Sep | 39.6° | 19.8° | 2° | 84.9 | 70% | 140 | 43.3 |
| Oct | 33.7° | 12.1° | -7.7° | 80.9 | 72% | 98 | 54.5 |
| Nov | 25.4° | 5.1° | -13.1° | 60.6 | 77% | 65 | 59 |
| Dec | 21.7° | -1.1° | -24.3° | 57.4 | 84% | 50 | 71.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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