Average annual temperature is 17.4 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -4.4 °C
Number of sunny days: 176 days
Number of rainy days: 188 days
Number of snow days: 1 day
Look at detailed online map of Graystone
* Weather data for Graystone 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) | 20.4 | 25.0 | 25.6 | 28.5 | 30.5 | 34.2 | 35.6 | 36.7 | 33.3 | 28.5 | 25.5 | 21.4 |
| Average daytime temperature (°C) | 14.3 | 17.3 | 18.8 | 21.7 | 25.8 | 30.4 | 32.1 | 32.0 | 29.3 | 23.2 | 17.7 | 13.8 |
| Average temperature (°C) | 9.7 | 11.8 | 13.0 | 15.9 | 19.8 | 24.0 | 25.9 | 26.1 | 23.2 | 17.8 | 12.1 | 8.6 |
| Average night temperature (°C) | 6.3 | 7.9 | 8.2 | 11.1 | 15.2 | 19.0 | 21.7 | 21.7 | 18.6 | 13.4 | 7.9 | 4.9 |
| Absolute minimum temperature (°C) | -2.4 | -3.5 | -4.4 | 5.7 | 7.4 | 16.6 | 19.0 | 17.8 | 14.7 | 6.7 | -1.4 | -2.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 |
| Daylight mean duration (h) | 10.2 | 11.0 | 12.0 | 13.0 | 13.9 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 5.4 | 6.9 | 8.8 | 9.5 | 10.6 | 11.6 | 11.0 | 10.5 | 10.8 | 8.5 | 7.2 | 7.1 |
| Precipitation (mm) | 184 | 134 | 128 | 149 | 102 | 104 | 137 | 142 | 42 | 17 | 55 | 86 |
| Sunny days | 10 | 11 | 20 | 14 | 9 | 10 | 6 | 14 | 15 | 25 | 21 | 21 |
| Rainy days | 20 | 17 | 11 | 16 | 22 | 20 | 25 | 17 | 15 | 6 | 9 | 10 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Graystone during the most sunny months:
The largest precipitation sum in Graystone is at