Average annual temperature is 10.7 °C
Absolute maximum temperature: 37.5 °C
Absolute minimum temperature: -27.9 °C
Number of sunny days: 207 days
Number of rainy days: 130 days
Number of snow days: 28 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) | 8.3 | 10.4 | 23.0 | 25.7 | 30.8 | 31.8 | 33.4 | 37.5 | 34.2 | 30.3 | 17.4 | 12.9 |
| Average daytime temperature (°C) | 0.2 | 3.0 | 6.8 | 15.7 | 23.8 | 28.2 | 28.0 | 28.0 | 25.7 | 16.7 | 9.3 | 5.9 |
| Average temperature (°C) | -3.8 | -2.5 | 1.4 | 9.3 | 17.2 | 22.3 | 22.7 | 22.9 | 20.0 | 12.1 | 4.2 | 1.5 |
| Average night temperature (°C) | -6.8 | -7.0 | -2.7 | 4.1 | 11.0 | 16.5 | 17.2 | 18.2 | 15.2 | 8.1 | 0.3 | -1.3 |
| Absolute minimum temperature (°C) | -27.9 | -24.9 | -14.2 | -4.3 | 2.1 | 8.3 | 11.8 | 11.9 | 9.5 | -5.0 | -13.5 | -8.1 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.9 | 12.5 | 11.1 | 9.8 | 9.1 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 4.4 | 7.1 | 7.0 | 9.2 | 12.2 | 12.4 | 12.5 | 11.7 | 9.8 | 6.9 | 7.2 | 4.6 |
| Precipitation (mm) | 75 | 52 | 77 | 63 | 49 | 37 | 113 | 69 | 60 | 88 | 13 | 40 |
| Sunny days | 18 | 17 | 15 | 18 | 20 | 16 | 16 | 17 | 14 | 17 | 22 | 17 |
| Rainy days | 5 | 7 | 9 | 11 | 11 | 14 | 15 | 14 | 16 | 13 | 6 | 9 |
| Snow days | 8 | 4 | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 5 |
The best time to visit Township of Sumner during the most sunny months:
The largest precipitation sum in Township of Sumner is at