Average annual temperature is 13.5 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -9.9 °C
Number of sunny days: 177 days
Number of rainy days: 182 days
Number of snow days: 6 days
Look at detailed online map of Grammer
* Weather data for Grammer 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) | 17.3 | 21.7 | 23.2 | 27.3 | 29.9 | 32.5 | 34.4 | 33.7 | 32.2 | 30.2 | 25.6 | 15.5 |
| Average daytime temperature (°C) | 7.5 | 12.1 | 12.5 | 18.9 | 23.3 | 27.7 | 29.8 | 28.6 | 26.7 | 20.3 | 13.3 | 9.3 |
| Average temperature (°C) | 3.7 | 5.4 | 6.2 | 12.1 | 17.3 | 21.6 | 24.3 | 23.3 | 20.8 | 14.6 | 7.4 | 4.8 |
| Average night temperature (°C) | 0.6 | 0.6 | 1.6 | 6.5 | 11.6 | 16.3 | 19.6 | 18.3 | 15.6 | 10.2 | 3.2 | 1.4 |
| Absolute minimum temperature (°C) | -6.9 | -9.9 | -7.1 | -1.9 | 2.8 | 10.8 | 15.4 | 12.7 | 10.9 | -3.5 | -7.5 | -6.9 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.1 | 7.6 | 7.1 | 9.1 | 10.4 | 10.6 | 11.8 | 11.4 | 10.3 | 7.3 | 8.0 | 4.6 |
| Precipitation (mm) | 132 | 76 | 213 | 90 | 71 | 81 | 129 | 85 | 19 | 77 | 22 | 52 |
| Sunny days | 6 | 17 | 14 | 16 | 14 | 17 | 6 | 13 | 20 | 18 | 24 | 12 |
| Rainy days | 22 | 11 | 15 | 14 | 17 | 13 | 25 | 18 | 10 | 13 | 6 | 18 |
| Snow days | 3 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Grammer during the most sunny months:
The largest precipitation sum in Grammer is at