Average annual temperature is 9.2 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -20.3 °C
Number of sunny days: 144 days
Number of rainy days: 195 days
Number of snow days: 26 days
Look at detailed online map of Township of Sullivan
* Weather data for Township of Sullivan 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) | 12.4 | 14.9 | 14.0 | 27.6 | 27.8 | 30.5 | 31.2 | 28.2 | 30.7 | 25.9 | 15.2 | 10.7 |
| Average daytime temperature (°C) | 3.3 | 5.7 | 5.6 | 15.9 | 19.0 | 22.5 | 27.2 | 23.7 | 21.4 | 15.1 | 7.0 | 5.0 |
| Average temperature (°C) | 0.3 | -0.4 | 0.6 | 9.2 | 12.2 | 17.0 | 21.3 | 18.7 | 16.0 | 10.9 | 2.5 | 1.8 |
| Average night temperature (°C) | -2.2 | -4.9 | -3.3 | 3.9 | 5.9 | 12.2 | 16.4 | 14.6 | 11.8 | 7.4 | -0.9 | -0.7 |
| Absolute minimum temperature (°C) | -8.8 | -20.3 | -9.1 | -5.2 | -0.7 | 6.2 | 12.3 | 10.0 | 5.1 | -1.9 | -7.6 | -6.8 |
| 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) | 9.5 | 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 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.0 | 6.1 | 6.3 | 8.2 | 11.5 | 10.8 | 11.6 | 9.8 | 8.6 | 6.6 | 6.5 | 3.1 |
| Precipitation (mm) | 82 | 52 | 81 | 94 | 24 | 92 | 115 | 164 | 80 | 84 | 41 | 132 |
| Sunny days | 9 | 10 | 8 | 12 | 21 | 11 | 6 | 9 | 14 | 14 | 18 | 12 |
| Rainy days | 15 | 14 | 15 | 17 | 10 | 19 | 25 | 22 | 16 | 17 | 9 | 16 |
| Snow days | 7 | 4 | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 3 |
The best time to visit Township of Sullivan during the most sunny months:
The largest precipitation sum in Township of Sullivan is at