Average annual temperature is 11.6 °C
Absolute maximum temperature: 37.0 °C
Absolute minimum temperature: -24.1 °C
Number of sunny days: 212 days
Number of rainy days: 134 days
Number of snow days: 19 days
Look at detailed online map of Township of Sumner
* Weather data for Township of Sumner 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) | 12.5 | 12.0 | 22.5 | 26.1 | 31.4 | 32.3 | 34.0 | 37.0 | 34.1 | 31.0 | 18.1 | 14.2 |
| Average daytime temperature (°C) | 1.7 | 4.7 | 8.2 | 17.2 | 24.7 | 28.9 | 28.6 | 28.5 | 26.7 | 17.9 | 10.3 | 6.6 |
| Average temperature (°C) | -2.5 | -1.2 | 2.6 | 10.4 | 18.0 | 22.9 | 23.4 | 23.6 | 20.7 | 13.2 | 5.3 | 2.5 |
| Average night temperature (°C) | -5.5 | -5.8 | -1.5 | 4.9 | 11.9 | 17.1 | 18.1 | 18.9 | 15.9 | 9.2 | 1.2 | -0.5 |
| Absolute minimum temperature (°C) | -24.1 | -22.2 | -12.6 | -3.3 | 3.1 | 9.0 | 12.5 | 12.5 | 10.3 | -3.8 | -12.6 | -7.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 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) | 9.5 | 10.6 | 11.9 | 13.3 | 14.5 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.5 | 7.2 | 7.1 | 9.3 | 11.7 | 12.2 | 12.3 | 11.5 | 9.8 | 7.2 | 7.2 | 4.4 |
| Precipitation (mm) | 60 | 77 | 72 | 56 | 93 | 46 | 43 | 54 | 65 | 77 | 20 | 54 |
| Sunny days | 18 | 16 | 15 | 18 | 21 | 18 | 16 | 21 | 16 | 16 | 22 | 15 |
| Rainy days | 7 | 9 | 15 | 10 | 10 | 12 | 15 | 10 | 14 | 14 | 6 | 12 |
| Snow days | 6 | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 4 |
The best time to visit Township of Sumner during the most sunny months:
The largest precipitation sum in Township of Sumner is at