Average annual temperature is 16.1 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -5.6 °C
Number of sunny days: 201 days
Number of rainy days: 164 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) | 19.4 | 24.8 | 27.5 | 28.8 | 29.5 | 31.8 | 34.8 | 34.8 | 35.8 | 28.0 | 27.3 | 20.7 |
| Average daytime temperature (°C) | 12.7 | 15.6 | 16.8 | 22.1 | 24.2 | 27.8 | 31.9 | 31.1 | 27.7 | 22.6 | 16.3 | 13.0 |
| Average temperature (°C) | 7.8 | 10.2 | 10.9 | 15.6 | 18.3 | 21.8 | 26.2 | 25.3 | 22.0 | 16.6 | 10.3 | 7.7 |
| Average night temperature (°C) | 4.1 | 6.1 | 6.0 | 10.0 | 13.5 | 16.7 | 21.5 | 20.5 | 17.2 | 11.9 | 5.6 | 3.6 |
| Absolute minimum temperature (°C) | -3.9 | -5.6 | -3.7 | 1.8 | 6.6 | 12.1 | 18.3 | 17.4 | 12.5 | 6.4 | -4.8 | -3.7 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.0 | 6.8 | 8.4 | 9.0 | 9.8 | 10.9 | 12.1 | 10.8 | 9.7 | 9.1 | 7.9 | 6.4 |
| Precipitation (mm) | 98 | 89 | 94 | 107 | 38 | 77 | 81 | 108 | 48 | 42 | 50 | 155 |
| Sunny days | 16 | 15 | 16 | 16 | 15 | 12 | 13 | 14 | 21 | 23 | 23 | 17 |
| Rainy days | 15 | 13 | 15 | 14 | 16 | 18 | 18 | 17 | 9 | 8 | 7 | 14 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Township of Sumner during the most sunny months:
The largest precipitation sum in Township of Sumner is at