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Weather & Climate
Johnson County, Georgia, United States
Overview
Climate data and monthly weather averages for Johnson County.
Key Metrics
Annual Avg
18.7°C
Summer Avg
27.5°C
Winter Avg
9.2°C
Record High
42.5°C
Record Low
-9.3°C
Annual Precipitation
1134.7 mm
Avg Humidity
74%
Summer Humidity
71%
Winter Humidity
80%
Monthly Averages
| Month | High (°C) | Avg (°C) | Low (°C) | Rain (mm) | Humidity (%) | Sunshine (h) | Wind (kph) |
|---|---|---|---|---|---|---|---|
| Jan | 26.6° | 7.8° | -9.3° | 79.7 | 80% | 92 | 47.6 |
| Feb | 27.1° | 9.9° | -7.2° | 99.7 | 81% | 99 | 52.5 |
| Mar | 29.5° | 13.8° | -5.2° | 97.3 | 79% | 143 | 57 |
| Apr | 35° | 18.4° | -0.3° | 84.3 | 74% | 174 | 47.5 |
| May | 39.3° | 23.2° | 6.9° | 82.1 | 69% | 197 | 40.8 |
| Jun | 42.5° | 26.7° | 14° | 128.4 | 71% | 190 | 50.3 |
| Jul | 40.2° | 28.2° | 17.6° | 113.8 | 69% | 191 | 33.9 |
| Aug | 41.8° | 27.7° | 15.9° | 124.3 | 72% | 173 | 42.8 |
| Sep | 39.1° | 24.9° | 9.4° | 86.1 | 72% | 148 | 72.6 |
| Oct | 38.8° | 19.7° | 0.1° | 64.2 | 71% | 127 | 62 |
| Nov | 29.9° | 13.6° | -6.3° | 67.2 | 72% | 97 | 40.8 |
| Dec | 27.3° | 9.9° | -6.8° | 107.6 | 80% | 80 | 43.8 |
Frequently Asked Questions
Sources: NASA POWER · Last updated: 2025
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