Average annual temperature is 10.3 °C
Absolute maximum temperature: 32.0 °C
Absolute minimum temperature: -14.4 °C
Number of sunny days: 153 days
Number of rainy days: 197 days
Number of snow days: 15 days
Look at detailed online map of Grassflat
* Weather data for Grassflat 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) | 13.4 | 17.3 | 16.1 | 27.7 | 30.0 | 32.0 | 31.8 | 31.4 | 29.9 | 25.9 | 16.1 | 12.5 |
| Average daytime temperature (°C) | 4.6 | 7.5 | 7.4 | 16.5 | 20.5 | 24.1 | 27.7 | 25.6 | 21.9 | 16.0 | 8.7 | 5.9 |
| Average temperature (°C) | 1.4 | 1.4 | 1.9 | 10.0 | 13.6 | 18.0 | 22.0 | 20.0 | 16.7 | 11.5 | 3.9 | 2.7 |
| Average night temperature (°C) | -1.1 | -3.3 | -2.2 | 4.3 | 6.9 | 12.4 | 16.8 | 15.4 | 12.3 | 7.6 | -0.1 | 0.0 |
| Absolute minimum temperature (°C) | -6.5 | -14.4 | -8.9 | -4.4 | 1.2 | 6.1 | 12.6 | 11.0 | 6.6 | -2.3 | -8.2 | -5.7 |
| 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) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 3.5 | 6.9 | 6.6 | 8.5 | 10.9 | 10.8 | 11.6 | 10.6 | 8.7 | 6.5 | 7.1 | 3.7 |
| Precipitation (mm) | 95 | 59 | 75 | 82 | 35 | 115 | 70 | 144 | 66 | 80 | 59 | 84 |
| Sunny days | 7 | 11 | 10 | 15 | 22 | 11 | 8 | 9 | 15 | 14 | 20 | 11 |
| Rainy days | 19 | 16 | 17 | 15 | 9 | 19 | 23 | 22 | 15 | 17 | 8 | 17 |
| Snow days | 5 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Grassflat during the most sunny months:
The largest precipitation sum in Grassflat is at