Average annual temperature is 12.0 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -11.1 °C
Number of sunny days: 173 days
Number of rainy days: 182 days
Number of snow days: 10 days
Look at detailed online map of De Graff
* Weather data for De 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) | 16.6 | 19.6 | 19.8 | 25.9 | 29.3 | 32.4 | 32.0 | 32.0 | 32.2 | 29.1 | 21.4 | 16.4 |
| Average daytime temperature (°C) | 5.5 | 10.2 | 10.0 | 17.1 | 21.6 | 25.7 | 27.9 | 26.8 | 25.0 | 18.1 | 11.3 | 8.4 |
| Average temperature (°C) | 1.9 | 3.4 | 4.2 | 10.8 | 15.7 | 19.9 | 23.0 | 21.6 | 19.4 | 13.4 | 5.8 | 4.4 |
| Average night temperature (°C) | -1.0 | -1.1 | -0.1 | 5.4 | 10.1 | 14.4 | 18.4 | 16.9 | 14.5 | 9.3 | 1.9 | 1.5 |
| Absolute minimum temperature (°C) | -11.1 | -10.9 | -8.4 | -0.5 | 2.0 | 8.8 | 14.4 | 10.9 | 8.8 | -3.0 | -8.2 | -4.4 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 10.0 | 9.4 |
| 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) | 3.2 | 7.1 | 7.1 | 8.6 | 10.4 | 10.2 | 12.1 | 10.9 | 9.6 | 7.0 | 7.5 | 4.4 |
| Precipitation (mm) | 113 | 54 | 148 | 66 | 75 | 110 | 92 | 125 | 23 | 50 | 30 | 40 |
| Sunny days | 9 | 16 | 13 | 15 | 20 | 14 | 10 | 12 | 17 | 13 | 24 | 10 |
| Rainy days | 18 | 12 | 15 | 15 | 11 | 16 | 21 | 19 | 13 | 17 | 6 | 19 |
| Snow days | 4 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 |
The best time to visit De Graff during the most sunny months:
The largest precipitation sum in De Graff is at