Average annual temperature is 15.5 °C
Absolute maximum temperature: 37.6 °C
Absolute minimum temperature: -7.4 °C
Number of sunny days: 193 days
Number of rainy days: 172 days
Look at detailed online map of Grayton
* Weather data for Grayton 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) | 19.0 | 25.1 | 25.6 | 32.1 | 29.3 | 31.9 | 37.6 | 35.7 | 37.0 | 28.9 | 27.5 | 18.2 |
| Average daytime temperature (°C) | 11.0 | 13.3 | 14.6 | 23.1 | 23.0 | 27.7 | 32.1 | 30.9 | 27.8 | 22.1 | 14.6 | 11.7 |
| Average temperature (°C) | 7.0 | 8.1 | 9.0 | 16.5 | 17.7 | 22.2 | 26.0 | 25.1 | 22.2 | 16.1 | 8.7 | 6.5 |
| Average night temperature (°C) | 3.9 | 4.2 | 4.7 | 11.7 | 13.5 | 17.9 | 21.5 | 20.4 | 17.5 | 11.3 | 4.3 | 2.8 |
| Absolute minimum temperature (°C) | -0.8 | -7.4 | -2.6 | 5.2 | 8.5 | 15.1 | 17.7 | 16.0 | 11.2 | 4.9 | -4.9 | -3.4 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 5.4 | 6.8 | 7.8 | 9.3 | 10.8 | 11.0 | 11.8 | 10.9 | 8.7 | 8.6 | 7.7 | 5.8 |
| Precipitation (mm) | 88 | 64 | 43 | 139 | 63 | 75 | 119 | 51 | 101 | 32 | 51 | 165 |
| Sunny days | 14 | 16 | 18 | 18 | 15 | 12 | 12 | 13 | 15 | 20 | 23 | 17 |
| Rainy days | 17 | 12 | 13 | 12 | 16 | 18 | 19 | 18 | 15 | 11 | 7 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Grayton during the most sunny months:
The largest precipitation sum in Grayton is at