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Weather & Climate
Lawrence County, Illinois, United States
Overview
Climate data and monthly weather averages for Lawrence County.
Key Metrics
Annual Avg
12.9°C
Summer Avg
24.2°C
Winter Avg
0.6°C
Record High
42°C
Record Low
-25.2°C
Annual Precipitation
1220.9 mm
Avg Humidity
78%
Summer Humidity
76%
Winter Humidity
83%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 20.3° | -0.8° | -25.2° | 80.3 | 83% | 61 | 59.9 |
| Feb | 22.3° | 0.9° | -22° | 78.4 | 82% | 76 | 58.8 |
| Mar | 26.7° | 6.9° | -16.2° | 112.5 | 80% | 115 | 60.8 |
| Apr | 29.1° | 13.3° | -5.4° | 125.4 | 78% | 150 | 55.7 |
| May | 31.7° | 18.6° | 0.8° | 130.5 | 79% | 173 | 56.3 |
| Jun | 41.2° | 23.3° | 3.7° | 114.3 | 78% | 193 | 48.5 |
| Jul | 42° | 24.9° | 10.4° | 113.5 | 77% | 194 | 31.5 |
| Aug | 39.8° | 24.5° | 10.5° | 81.2 | 74% | 176 | 42.8 |
| Sep | 36.1° | 20.8° | 4.2° | 86.1 | 71% | 141 | 65.3 |
| Oct | 33.5° | 13.8° | -3.7° | 103.9 | 73% | 105 | 50.8 |
| Nov | 26.6° | 6.9° | -10.5° | 98.1 | 77% | 71 | 53.4 |
| Dec | 22° | 1.6° | -21.4° | 96.7 | 84% | 53 | 61.4 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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