Average annual temperature is 7.8 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -27.0 °C
Number of sunny days: 200 days
Number of rainy days: 118 days
Number of snow days: 47 days
Look at detailed online map of Jefferson (historical)
* Weather data for Jefferson (historical) 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) | 8.9 | 8.9 | 11.3 | 23.8 | 29.2 | 28.7 | 36.1 | 36.8 | 30.7 | 25.0 | 15.2 | 14.0 |
| Average daytime temperature (°C) | 1.3 | 3.7 | 4.7 | 12.8 | 21.9 | 22.1 | 30.5 | 29.4 | 23.4 | 14.4 | 8.9 | 5.2 |
| Average temperature (°C) | -4.3 | -2.9 | -1.7 | 4.9 | 14.7 | 15.6 | 22.0 | 21.1 | 15.4 | 7.0 | 1.8 | -0.7 |
| Average night temperature (°C) | -8.2 | -7.4 | -6.2 | -1.3 | 7.7 | 10.0 | 13.7 | 14.2 | 8.8 | 1.5 | -3.2 | -4.8 |
| Absolute minimum temperature (°C) | -26.9 | -27.0 | -13.6 | -9.6 | 2.9 | 3.9 | 7.7 | 11.1 | 3.7 | -12.4 | -8.8 | -13.0 |
| 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 | 8.0 |
| Daylight mean duration (h) | 9.1 | 10.4 | 11.9 | 13.6 | 14.9 | 15.7 | 15.3 | 14.1 | 12.5 | 10.9 | 9.5 | 8.7 |
| Daylight minimum duration (h) | 8.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 8.0 | 8.0 |
| Sunshine mean duration (h) | 5.8 | 6.8 | 8.2 | 10.2 | 12.2 | 11.1 | 13.6 | 11.0 | 10.1 | 7.7 | 6.8 | 5.9 |
| Precipitation (mm) | 18 | 17 | 42 | 44 | 43 | 80 | 4 | 55 | 55 | 32 | 8 | 17 |
| Sunny days | 18 | 15 | 11 | 15 | 10 | 7 | 22 | 19 | 21 | 17 | 21 | 24 |
| Rainy days | 3 | 3 | 5 | 11 | 21 | 23 | 9 | 12 | 9 | 10 | 9 | 3 |
| Snow days | 10 | 10 | 15 | 4 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 4 |
The best time to visit Jefferson (historical) during the most sunny months:
Months with the longest average daylight duration in Jefferson (historical):
The largest precipitation sum in Jefferson (historical) is at