Average annual temperature is 6.9 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -30.4 °C
Number of sunny days: 171 days
Number of rainy days: 145 days
Number of snow days: 49 days
Look at detailed online map of Graff
* Weather data for Graff 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) | 2.3 | 6.3 | 3.8 | 21.8 | 30.6 | 31.1 | 32.8 | 36.1 | 35.9 | 29.4 | 15.0 | 8.4 |
| Average daytime temperature (°C) | -5.1 | -2.8 | -0.2 | 8.3 | 21.7 | 26.3 | 25.7 | 26.7 | 23.2 | 12.7 | 4.7 | 2.2 |
| Average temperature (°C) | -8.6 | -8.7 | -5.3 | 2.6 | 14.7 | 20.5 | 20.1 | 20.7 | 17.9 | 8.6 | 0.2 | -1.2 |
| Average night temperature (°C) | -11.3 | -13.5 | -9.6 | -1.8 | 8.7 | 15.6 | 15.0 | 16.0 | 14.1 | 5.5 | -2.8 | -3.6 |
| Absolute minimum temperature (°C) | -27.5 | -30.4 | -17.4 | -10.2 | 0.5 | 8.8 | 9.8 | 11.3 | 6.9 | -7.0 | -14.1 | -14.5 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.3 | 11.9 | 13.6 | 15.0 | 15.8 | 15.4 | 14.2 | 12.6 | 10.9 | 9.4 | 8.6 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 3.2 | 6.6 | 7.0 | 7.6 | 11.5 | 12.5 | 12.9 | 11.3 | 9.1 | 6.3 | 5.1 | 3.4 |
| Precipitation (mm) | 32 | 33 | 49 | 67 | 34 | 101 | 46 | 49 | 108 | 52 | 25 | 77 |
| Sunny days | 19 | 17 | 14 | 11 | 16 | 11 | 10 | 13 | 10 | 12 | 20 | 18 |
| Rainy days | 2 | 4 | 1 | 13 | 15 | 19 | 21 | 18 | 20 | 17 | 7 | 8 |
| Snow days | 10 | 7 | 16 | 6 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 5 |
The best time to visit Graff during the most sunny months:
Months with the longest average daylight duration in Graff:
The largest precipitation sum in Graff is at