Average annual temperature is 12.3 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -18.4 °C
Number of sunny days: 162 days
Number of rainy days: 194 days
Number of snow days: 9 days
Look at detailed online map of Jefferson Valley-Yorktown
* Weather data for Jefferson Valley-Yorktown 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) | 18.5 | 17.9 | 15.8 | 31.9 | 28.9 | 35.1 | 32.4 | 31.4 | 35.2 | 28.6 | 19.9 | 16.0 |
| Average daytime temperature (°C) | 7.8 | 7.7 | 9.9 | 18.5 | 21.9 | 25.7 | 29.4 | 26.9 | 24.0 | 19.2 | 10.6 | 8.8 |
| Average temperature (°C) | 3.9 | 2.6 | 4.6 | 12.1 | 15.5 | 19.8 | 24.0 | 21.9 | 19.1 | 14.1 | 5.5 | 4.4 |
| Average night temperature (°C) | 0.6 | -1.6 | 0.2 | 7.2 | 9.6 | 15.0 | 19.5 | 17.6 | 15.2 | 10.1 | 1.5 | 0.9 |
| Absolute minimum temperature (°C) | -4.2 | -18.4 | -6.3 | -0.6 | 5.6 | 9.9 | 15.4 | 13.9 | 8.8 | 4.5 | -3.7 | -5.8 |
| 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 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.6 | 10.6 | 11.9 | 13.3 | 14.5 | 15.1 | 14.8 | 13.8 | 12.5 | 11.1 | 9.9 | 9.3 |
| 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) | 4.9 | 6.3 | 7.6 | 8.7 | 12.1 | 10.4 | 11.5 | 10.0 | 7.8 | 7.3 | 7.2 | 4.9 |
| Precipitation (mm) | 140 | 41 | 114 | 96 | 55 | 94 | 192 | 108 | 238 | 130 | 56 | 220 |
| Sunny days | 11 | 15 | 11 | 15 | 20 | 12 | 8 | 10 | 12 | 15 | 17 | 16 |
| Rainy days | 19 | 10 | 18 | 15 | 11 | 18 | 23 | 21 | 18 | 16 | 12 | 13 |
| Snow days | 1 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Jefferson Valley-Yorktown during the most sunny months:
The largest precipitation sum in Jefferson Valley-Yorktown is at