Average annual temperature is 13.1 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -15.0 °C
Number of sunny days: 244 days
Number of rainy days: 108 days
Number of snow days: 13 days
Look at detailed online map of Clayton
* Weather data for Clayton 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) | 19.3 | 18.7 | 23.8 | 28.9 | 30.2 | 34.7 | 36.5 | 34.3 | 34.9 | 27.6 | 25.9 | 19.2 |
| Average daytime temperature (°C) | 8.9 | 11.7 | 14.9 | 20.9 | 24.1 | 27.0 | 31.9 | 31.0 | 28.0 | 20.2 | 15.1 | 10.8 |
| Average temperature (°C) | 2.3 | 3.4 | 6.5 | 12.0 | 17.0 | 19.9 | 24.5 | 24.2 | 21.2 | 13.3 | 7.9 | 4.0 |
| Average night temperature (°C) | -2.2 | -2.4 | 0.2 | 4.9 | 11.1 | 14.0 | 18.1 | 18.0 | 15.4 | 7.6 | 2.9 | -0.6 |
| Absolute minimum temperature (°C) | -14.3 | -15.0 | -7.2 | -4.7 | 6.3 | 8.7 | 13.9 | 14.8 | 10.5 | -6.7 | -5.8 | -6.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 8.1 | 8.9 | 9.8 | 11.0 | 10.9 | 12.2 | 12.2 | 12.0 | 10.4 | 9.6 | 8.4 | 7.8 |
| Precipitation (mm) | 4 | 16 | 6 | 35 | 48 | 83 | 43 | 17 | 35 | 32 | 1 | 31 |
| Sunny days | 24 | 21 | 24 | 23 | 13 | 10 | 12 | 20 | 24 | 26 | 25 | 22 |
| Rainy days | 5 | 4 | 5 | 7 | 18 | 20 | 19 | 11 | 6 | 5 | 3 | 5 |
| Snow days | 2 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Clayton is at