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Weather & Climate
Silvis, Illinois, United States
Overview
Climate data and monthly weather averages for Silvis.
Key Metrics
Annual Avg
10.1°C
Summer Avg
23.1°C
Winter Avg
-4°C
Record High
42.7°C
Record Low
-35.7°C
Annual Precipitation
923.6 mm
Avg Humidity
77%
Summer Humidity
73%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 16.4° | -5.5° | -35.7° | 33.8 | 85% | 56 | 58.1 |
| Feb | 21° | -3.8° | -25.2° | 41.4 | 82% | 78 | 63.2 |
| Mar | 26.1° | 3.2° | -23° | 60.1 | 77% | 116 | 62.6 |
| Apr | 29° | 10.2° | -8.1° | 92.1 | 74% | 144 | 60.8 |
| May | 34.5° | 16.4° | -2.4° | 115 | 75% | 172 | 56.8 |
| Jun | 38.9° | 21.9° | 5.6° | 124.5 | 75% | 186 | 50.4 |
| Jul | 42.7° | 24.2° | 9.1° | 94.9 | 73% | 195 | 42.6 |
| Aug | 38.8° | 23.2° | 7.2° | 98.9 | 70% | 171 | 38.6 |
| Sep | 39.5° | 18.9° | 1.3° | 87.3 | 71% | 136 | 49.9 |
| Oct | 33.1° | 11° | -5.9° | 74.1 | 74% | 94 | 52.8 |
| Nov | 23.9° | 3.9° | -13.8° | 51.6 | 79% | 62 | 57.5 |
| Dec | 21.2° | -2.7° | -26° | 49.9 | 85% | 47 | 69 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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