Average annual temperature is 9.3 °C
Absolute maximum temperature: 28.1 °C
Absolute minimum temperature: -16.2 °C
Number of sunny days: 132 days
Number of rainy days: 206 days
Number of snow days: 27 days
Look at detailed online map of Sully
* Weather data for Sully 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) | 16.9 | 16.7 | 18.0 | 24.6 | 22.3 | 25.8 | 28.1 | 26.9 | 27.1 | 23.2 | 18.5 | 14.1 |
| Average daytime temperature (°C) | 5.6 | 8.4 | 8.5 | 15.7 | 16.5 | 19.8 | 24.2 | 23.2 | 19.9 | 14.8 | 8.8 | 6.1 |
| Average temperature (°C) | 1.0 | 2.7 | 2.6 | 9.4 | 11.4 | 15.1 | 19.5 | 18.3 | 15.0 | 10.2 | 3.3 | 2.1 |
| Average night temperature (°C) | -2.4 | -1.7 | -1.7 | 4.4 | 7.1 | 11.2 | 15.6 | 14.6 | 11.3 | 6.6 | -0.6 | -0.9 |
| Absolute minimum temperature (°C) | -11.6 | -16.2 | -13.4 | -2.7 | -1.2 | 7.1 | 12.5 | 8.1 | 5.7 | -1.8 | -11.5 | -10.6 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 3.2 | 6.1 | 6.6 | 8.6 | 9.1 | 10.0 | 11.8 | 10.1 | 8.7 | 6.8 | 6.5 | 4.5 |
| Precipitation (mm) | 131 | 106 | 109 | 78 | 180 | 103 | 77 | 100 | 94 | 72 | 75 | 105 |
| Sunny days | 3 | 9 | 9 | 13 | 15 | 12 | 6 | 9 | 14 | 13 | 19 | 10 |
| Rainy days | 23 | 15 | 14 | 15 | 16 | 18 | 25 | 22 | 16 | 18 | 9 | 15 |
| Snow days | 5 | 4 | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 |
The best time to visit Sully during the most sunny months:
The largest precipitation sum in Sully is at