Average annual temperature is 10.5 °C
Absolute maximum temperature: 32 °C
Absolute minimum temperature: -12 °C
Number of sunny days: 135
Number of rainy days: 204
Number of snow days: 26
Average annual precipitation: 1164 mm
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* Weather data for Jefferson United States is based on climate observations for 2023 year
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 14.1 | 18.8 | 16.6 | 28.1 | 31.3 | 31.3 | 32 | 30.5 | 31.3 | 27.4 | 16.7 | 14.9 |
| Average daytime temperature (°C) | 4.8 | 8.9 | 7.4 | 16.4 | 20.5 | 24.1 | 26.6 | 24.9 | 22.9 | 16.2 | 9.1 | 7.2 |
| Average temperature (°C) | 1.1 | 1.4 | 2.1 | 9.4 | 13.7 | 18.6 | 21.3 | 19.8 | 17.4 | 12 | 4.7 | 3.8 |
| Average night temperature (°C) | -1.8 | -3.1 | -1.8 | 3.9 | 7.8 | 13.5 | 16.9 | 15.8 | 13.3 | 8.7 | 1.2 | 1.1 |
| Absolute minimum temperature (°C) | -10.2 | -12 | -6.6 | -4.2 | 1.2 | 8.8 | 13.3 | 10 | 7.6 | 0.7 | -8.5 | -6.3 |
| Jan | Feb | Mar | Apr | Maggio | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 10 | 11.2 | 12.7 | 14 | 15 | 15.2 | 15.2 | 14.4 | 13.2 | 11.8 | 10.4 | 9.4 |
| Daylight mean duration (h) | 9.6 | 10.6 | 12 | 13.4 | 14.5 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.9 | 9.2 |
| Daylight minimum duration (h) | 9.2 | 10 | 11.2 | 12.7 | 14 | 15 | 14.5 | 13.2 | 11.8 | 10.4 | 9.4 | 9.2 |
| Sunshine mean duration (h) | 4.2 | 6.6 | 6.9 | 8.8 | 11.3 | 11.3 | 11.8 | 10.5 | 9.5 | 6.7 | 6.4 | 4.5 |
| Precipitation (mm) | 135 | 63 | 122 | 105 | 50 | 137 | 114 | 114 | 73 | 77 | 76 | 97 |
| Sunny days | 5 | 8 | 6 | 14 | 24 | 13 | 2 | 8 | 16 | 14 | 15 | 10 |
| Rainy days | 17 | 13 | 18 | 16 | 7 | 17 | 29 | 23 | 14 | 17 | 14 | 19 |
| Snow days | 9 | 7 | 7 | 1 | 2 |
The best time to visit Jefferson during the most sunny months:
The largest precipitation sum in Jefferson is at