Average annual temperature is 10.1 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -14.6 °C
Number of sunny days: 163 days
Number of rainy days: 171 days
Number of snow days: 31 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) | 9.4 | 12.4 | 16.4 | 25.5 | 31.9 | 33.7 | 31.2 | 29.5 | 30.8 | 26.9 | 15.9 | 13.9 |
| Average daytime temperature (°C) | 2.2 | 2.7 | 6.0 | 13.6 | 21.6 | 26.8 | 27.0 | 25.5 | 22.7 | 15.1 | 7.7 | 6.0 |
| Average temperature (°C) | -0.4 | -1.2 | 1.3 | 7.8 | 14.7 | 20.2 | 21.7 | 20.3 | 17.8 | 11.2 | 4.1 | 3.3 |
| Average night temperature (°C) | -2.7 | -5.1 | -2.6 | 2.8 | 8.4 | 13.8 | 16.7 | 15.8 | 13.5 | 8.2 | 0.4 | 0.9 |
| Absolute minimum temperature (°C) | -14.6 | -14.4 | -10.4 | -5.2 | 1.4 | 7.3 | 12.6 | 8.3 | 6.9 | -0.1 | -9.7 | -3.7 |
| 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) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| 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 | 8.0 |
| Sunshine mean duration (h) | 2.8 | 6.1 | 6.7 | 8.8 | 10.5 | 11.9 | 12.3 | 10.7 | 8.9 | 5.3 | 5.7 | 3.5 |
| Precipitation (mm) | 69 | 92 | 106 | 103 | 29 | 31 | 81 | 175 | 51 | 123 | 71 | 56 |
| Sunny days | 9 | 12 | 10 | 15 | 22 | 21 | 10 | 14 | 15 | 7 | 17 | 11 |
| Rainy days | 14 | 9 | 12 | 14 | 9 | 9 | 21 | 17 | 15 | 24 | 11 | 16 |
| Snow days | 8 | 7 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The best time to visit Township of Sullivan during the most sunny months:
Months with the longest average daylight duration in Township of Sullivan:
The largest precipitation sum in Township of Sullivan is at