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Weather & Climate
Catlin, Illinois, United States
Overview
Climate data and monthly weather averages for Catlin.
Key Metrics
Annual Avg
11.3°C
Summer Avg
23.1°C
Winter Avg
-1.6°C
Record High
42°C
Record Low
-27.3°C
Annual Precipitation
1061.7 mm
Avg Humidity
78%
Summer Humidity
76%
Winter Humidity
84%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 19° | -3° | -27.3° | 65.1 | 85% | 56 | 61.3 |
| Feb | 21.4° | -1.4° | -27.3° | 60.2 | 83% | 76 | 64 |
| Mar | 26.8° | 4.9° | -18.6° | 76.3 | 79% | 113 | 62 |
| Apr | 28.3° | 11.6° | -6.6° | 106.5 | 76% | 144 | 62.5 |
| May | 33.1° | 17.2° | -1.8° | 112.5 | 78% | 170 | 55.2 |
| Jun | 41.3° | 22.2° | 2.3° | 125.1 | 78% | 188 | 49.3 |
| Jul | 42° | 23.9° | 9° | 108.8 | 77% | 194 | 38.5 |
| Aug | 38.4° | 23.3° | 7.8° | 87.1 | 73% | 172 | 34.1 |
| Sep | 38.3° | 19.7° | 3.1° | 75.6 | 71% | 137 | 53.1 |
| Oct | 32.8° | 12.4° | -4.7° | 93.6 | 73% | 96 | 53.4 |
| Nov | 25.3° | 5.4° | -12.9° | 76.5 | 78% | 63 | 59.8 |
| Dec | 20.7° | -0.3° | -19.4° | 74.4 | 84% | 47 | 62.7 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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