Average annual temperature is 1.9 °C
Absolute maximum temperature: 26.8 °C
Absolute minimum temperature: -23.7 °C
Number of sunny days: 139 days
Number of rainy days: 130 days
Number of snow days: 96 days
Look at detailed online map of Gramm
* Weather data for Gramm 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) | 1.5 | 3.4 | 5.2 | 12.1 | 18.0 | 21.7 | 26.8 | 26.0 | 22.7 | 18.0 | 9.3 | 4.2 |
| Average daytime temperature (°C) | -5.2 | -3.2 | -1.9 | 4.2 | 12.1 | 16.7 | 22.3 | 21.2 | 17.5 | 9.6 | 2.6 | -2.1 |
| Average temperature (°C) | -9.0 | -9.1 | -7.8 | -2.4 | 6.0 | 10.1 | 15.4 | 14.3 | 10.5 | 3.4 | -2.6 | -6.5 |
| Average night temperature (°C) | -11.5 | -12.7 | -12.0 | -6.9 | 0.6 | 4.7 | 9.4 | 8.8 | 4.8 | -1.3 | -5.7 | -9.7 |
| Absolute minimum temperature (°C) | -23.7 | -22.3 | -20.1 | -16.0 | -2.3 | 1.4 | 4.4 | 1.9 | -2.0 | -14.6 | -15.4 | -19.4 |
| 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) | 9.6 | 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) | 5.5 | 7.8 | 9.2 | 10.9 | 11.5 | 11.9 | 13.1 | 12.0 | 11.2 | 9.1 | 7.5 | 6.4 |
| Precipitation (mm) | 70 | 37 | 43 | 56 | 51 | 103 | 78 | 72 | 27 | 33 | 18 | 36 |
| Sunny days | 8 | 13 | 7 | 11 | 2 | 7 | 10 | 11 | 15 | 18 | 21 | 16 |
| Rainy days | 2 | 3 | 2 | 2 | 27 | 23 | 21 | 20 | 15 | 10 | 2 | 3 |
| Snow days | 21 | 12 | 22 | 17 | 2 | 0 | 0 | 0 | 0 | 3 | 7 | 12 |
The best time to visit Gramm during the most sunny months:
The largest precipitation sum in Gramm is at