Average annual temperature is 9.1 °C
Absolute maximum temperature: 31.6 °C
Absolute minimum temperature: -29.2 °C
Number of sunny days: 160 days
Number of rainy days: 176 days
Number of snow days: 29 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) | 9.8 | 12.2 | 11.0 | 24.3 | 29.8 | 31.6 | 30.4 | 27.1 | 30.5 | 26.9 | 14.5 | 13.5 |
| Average daytime temperature (°C) | 3.2 | 1.8 | 5.6 | 12.3 | 18.6 | 20.7 | 26.1 | 23.3 | 22.8 | 16.9 | 6.9 | 4.7 |
| Average temperature (°C) | -0.7 | -3.8 | 1.0 | 7.1 | 12.9 | 15.9 | 21.9 | 19.3 | 17.9 | 12.6 | 2.6 | 0.8 |
| Average night temperature (°C) | -4.2 | -8.9 | -3.3 | 3.1 | 7.8 | 12.3 | 18.6 | 15.9 | 14.2 | 9.3 | -0.7 | -2.3 |
| Absolute minimum temperature (°C) | -10.1 | -29.2 | -9.5 | -4.4 | 1.8 | 7.1 | 14.0 | 12.1 | 8.4 | 0.8 | -6.2 | -10.9 |
| 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 | 15.4 | 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) | 4.1 | 6.8 | 6.9 | 7.6 | 11.5 | 7.2 | 9.1 | 9.6 | 8.7 | 6.2 | 6.6 | 4.4 |
| Precipitation (mm) | 180 | 34 | 74 | 86 | 128 | 182 | 217 | 145 | 145 | 154 | 57 | 163 |
| Sunny days | 8 | 15 | 14 | 16 | 20 | 7 | 5 | 8 | 17 | 13 | 21 | 16 |
| Rainy days | 14 | 5 | 7 | 14 | 11 | 23 | 26 | 23 | 13 | 18 | 8 | 14 |
| Snow days | 9 | 8 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
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