Average annual temperature is 10.4 °C
Absolute maximum temperature: 30.0 °C
Absolute minimum temperature: -15.3 °C
Number of sunny days: 142 days
Number of rainy days: 203 days
Number of snow days: 20 days
Look at detailed online map of Glessner
* Weather data for Glessner 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) | 16.1 | 18.2 | 17.9 | 26.4 | 26.9 | 29.6 | 29.7 | 30.0 | 29.4 | 24.8 | 16.9 | 15.6 |
| Average daytime temperature (°C) | 5.4 | 8.7 | 8.2 | 16.8 | 19.3 | 22.9 | 26.3 | 25.0 | 21.5 | 16.0 | 9.2 | 6.7 |
| Average temperature (°C) | 1.7 | 2.7 | 2.7 | 10.4 | 13.1 | 17.3 | 21.3 | 19.9 | 16.6 | 11.6 | 4.3 | 3.0 |
| Average night temperature (°C) | -1.1 | -2.2 | -1.4 | 4.8 | 7.2 | 12.2 | 17.1 | 15.6 | 12.5 | 7.9 | 0.4 | 0.0 |
| Absolute minimum temperature (°C) | -8.8 | -15.3 | -10.0 | -4.1 | 0.5 | 6.5 | 12.1 | 10.0 | 7.1 | -0.6 | -8.5 | -6.6 |
| 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 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) | 2.6 | 6.2 | 6.2 | 8.4 | 10.5 | 10.7 | 11.5 | 10.6 | 8.6 | 6.5 | 6.6 | 3.9 |
| Precipitation (mm) | 104 | 68 | 99 | 72 | 86 | 94 | 115 | 93 | 68 | 87 | 51 | 76 |
| Sunny days | 4 | 11 | 10 | 14 | 19 | 11 | 6 | 8 | 15 | 14 | 18 | 12 |
| Rainy days | 20 | 13 | 17 | 16 | 12 | 19 | 25 | 23 | 15 | 17 | 10 | 16 |
| Snow days | 7 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The best time to visit Glessner during the most sunny months:
The largest precipitation sum in Glessner is at