Average annual temperature is 7.6 °C
Absolute maximum temperature: 30.8 °C
Absolute minimum temperature: -31.3 °C
Number of sunny days: 109 days
Number of rainy days: 197 days
Number of snow days: 59 days
Look at detailed online map of Town of Jefferson
* Weather data for Town of Jefferson 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) | 7.7 | 8.7 | 7.9 | 24.9 | 28.4 | 30.7 | 30.8 | 25.8 | 29.4 | 27.4 | 14.8 | 12.9 |
| Average daytime temperature (°C) | 1.1 | 0.3 | 3.2 | 13.0 | 17.9 | 21.1 | 25.6 | 22.5 | 21.7 | 15.4 | 5.0 | 3.3 |
| Average temperature (°C) | -2.5 | -5.5 | -1.3 | 6.7 | 11.6 | 16.1 | 20.7 | 17.6 | 16.1 | 10.7 | 0.4 | -0.7 |
| Average night temperature (°C) | -5.7 | -11.2 | -5.7 | 1.7 | 5.8 | 11.8 | 16.5 | 13.5 | 11.7 | 6.8 | -2.9 | -3.9 |
| Absolute minimum temperature (°C) | -14.3 | -31.3 | -12.1 | -8.8 | -1.4 | 5.2 | 11.4 | 8.9 | 3.8 | -1.6 | -8.9 | -11.5 |
| 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) | 9.3 | 10.5 | 11.9 | 13.5 | 14.8 | 15.5 | 15.1 | 14.0 | 12.5 | 11.0 | 9.6 | 8.9 |
| Daylight minimum duration (h) | 8.0 | 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) | 2.9 | 6.0 | 5.8 | 7.7 | 10.9 | 8.2 | 10.1 | 10.2 | 8.4 | 5.8 | 6.1 | 3.9 |
| Precipitation (mm) | 127 | 55 | 94 | 102 | 91 | 147 | 210 | 174 | 97 | 112 | 67 | 160 |
| Sunny days | 3 | 8 | 8 | 12 | 16 | 7 | 2 | 6 | 13 | 11 | 12 | 11 |
| Rainy days | 13 | 5 | 9 | 16 | 15 | 23 | 29 | 25 | 17 | 20 | 11 | 14 |
| Snow days | 15 | 15 | 14 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 6 |
The best time to visit Town of Jefferson during the most sunny months:
Months with the longest average daylight duration in Town of Jefferson:
The largest precipitation sum in Town of Jefferson is at