Average annual temperature is 11.2 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 150 days
Number of rainy days: 190 days
Number of snow days: 25 days
Look at detailed online map of Sumerson
* Weather data for Sumerson 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) | 15.2 | 18.3 | 16.2 | 29.0 | 31.5 | 31.8 | 32.4 | 32.5 | 31.3 | 27.3 | 16.7 | 13.5 |
| Average daytime temperature (°C) | 5.9 | 9.1 | 8.2 | 17.8 | 21.3 | 24.6 | 28.3 | 26.0 | 22.9 | 16.9 | 9.8 | 7.5 |
| Average temperature (°C) | 2.5 | 2.5 | 2.8 | 10.9 | 14.3 | 18.7 | 22.5 | 20.6 | 17.6 | 12.5 | 5.0 | 4.1 |
| Average night temperature (°C) | 0.0 | -2.3 | -1.3 | 5.2 | 7.5 | 13.3 | 17.4 | 16.2 | 13.0 | 8.7 | 1.3 | 1.4 |
| Absolute minimum temperature (°C) | -6.0 | -13.5 | -9.9 | -3.5 | 1.0 | 7.4 | 13.4 | 11.6 | 6.7 | 0.6 | -6.9 | -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) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| 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) | 3.0 | 6.5 | 6.1 | 8.2 | 11.0 | 10.9 | 11.6 | 10.3 | 8.5 | 6.2 | 6.8 | 3.1 |
| Precipitation (mm) | 99 | 67 | 93 | 74 | 29 | 122 | 99 | 138 | 65 | 82 | 43 | 83 |
| Sunny days | 7 | 11 | 8 | 12 | 23 | 11 | 8 | 8 | 16 | 15 | 20 | 11 |
| Rainy days | 15 | 16 | 16 | 17 | 8 | 19 | 23 | 23 | 14 | 16 | 7 | 16 |
| Snow days | 9 | 1 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 4 |
The best time to visit Sumerson during the most sunny months:
The largest precipitation sum in Sumerson is at