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Weather & Climate
Murphysboro, Illinois, United States
Overview
Climate data and monthly weather averages for Murphysboro.
Key Metrics
Annual Avg
13.4°C
Summer Avg
24.9°C
Winter Avg
1°C
Record High
42.5°C
Record Low
-21.4°C
Annual Precipitation
1150.1 mm
Avg Humidity
77%
Summer Humidity
75%
Winter Humidity
82%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 21.4° | -0.4° | -21.4° | 68.5 | 82% | 68 | 58.7 |
| Feb | 22.7° | 1.4° | -18° | 72.8 | 81% | 80 | 60 |
| Mar | 26.1° | 7.5° | -14.3° | 107.6 | 79% | 119 | 54.9 |
| Apr | 29.3° | 13.7° | -5.8° | 126 | 77% | 154 | 52.3 |
| May | 32.4° | 18.9° | 1.5° | 128.3 | 80% | 178 | 54.3 |
| Jun | 42.5° | 23.8° | 6.5° | 100.8 | 78% | 197 | 48.6 |
| Jul | 42.2° | 25.7° | 12° | 103.2 | 75% | 195 | 30.9 |
| Aug | 40.3° | 25.1° | 10.1° | 86.2 | 72% | 176 | 38.5 |
| Sep | 36.8° | 21.4° | 3.8° | 75.3 | 70% | 143 | 57.4 |
| Oct | 33.9° | 14.2° | -3.8° | 100.1 | 71% | 110 | 45.2 |
| Nov | 26.9° | 7.3° | -10.6° | 94.2 | 76% | 75 | 54.3 |
| Dec | 21.6° | 1.9° | -15.3° | 87.1 | 83% | 58 | 53.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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