Average annual temperature is 10.8 °C
Absolute maximum temperature: 38.4 °C
Absolute minimum temperature: -26.9 °C
Number of sunny days: 194 days
Number of rainy days: 141 days
Number of snow days: 30 days
Look at detailed online map of Clayton County
* Weather data for Clayton County United States is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 7.7 | 9.8 | 21.8 | 26.0 | 31.4 | 33.1 | 34.2 | 38.4 | 34.7 | 29.8 | 17.4 | 12.2 |
| Average daytime temperature (°C) | 0.6 | 3.6 | 7.0 | 15.9 | 23.9 | 28.5 | 28.7 | 28.7 | 25.4 | 16.4 | 9.2 | 5.8 |
| Average temperature (°C) | -3.2 | -1.9 | 1.6 | 9.4 | 17.2 | 22.3 | 22.9 | 23.2 | 19.8 | 12.0 | 4.3 | 1.7 |
| Average night temperature (°C) | -6.2 | -6.4 | -2.5 | 4.3 | 10.9 | 16.3 | 17.5 | 18.3 | 15.2 | 8.2 | 0.6 | -0.9 |
| Absolute minimum temperature (°C) | -26.9 | -23.8 | -13.1 | -3.9 | 2.0 | 8.1 | 11.2 | 11.8 | 8.4 | -4.5 | -13.0 | -7.9 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.6 | 15.3 | 15.0 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.1 | 7.0 | 6.8 | 9.2 | 12.0 | 12.4 | 12.5 | 11.6 | 10.0 | 7.0 | 7.1 | 4.2 |
| Precipitation (mm) | 65 | 43 | 69 | 84 | 77 | 39 | 96 | 28 | 82 | 113 | 12 | 44 |
| Sunny days | 17 | 15 | 12 | 17 | 21 | 14 | 15 | 14 | 13 | 17 | 23 | 16 |
| Rainy days | 7 | 8 | 10 | 12 | 10 | 16 | 16 | 17 | 17 | 12 | 6 | 10 |
| Snow days | 7 | 5 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 2 | 1 | 5 |
The best time to visit Clayton County during the most sunny months:
Months with the longest average daylight duration in Clayton County:
The largest precipitation sum in Clayton County is at