Average annual temperature is 13.6 °C
Absolute maximum temperature: 37.3 °C
Absolute minimum temperature: -13.2 °C
Number of sunny days: 203 days
Number of rainy days: 156 days
Number of snow days: 6 days
Look at detailed online map of Winchester
* Weather data for Winchester 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) | 19.3 | 15.9 | 21.7 | 28.0 | 30.5 | 32.9 | 36.2 | 37.3 | 32.1 | 30.6 | 24.9 | 16.2 |
| Average daytime temperature (°C) | 7.0 | 9.5 | 11.4 | 19.5 | 24.9 | 29.0 | 30.5 | 29.0 | 26.7 | 19.7 | 12.7 | 8.7 |
| Average temperature (°C) | 2.0 | 3.4 | 5.6 | 12.6 | 18.8 | 23.0 | 25.0 | 24.0 | 21.0 | 14.7 | 7.2 | 4.8 |
| Average night temperature (°C) | -1.1 | -1.1 | 1.4 | 6.9 | 13.0 | 17.3 | 20.2 | 19.7 | 16.0 | 10.4 | 2.8 | 2.0 |
| Absolute minimum temperature (°C) | -12.4 | -13.2 | -9.2 | -0.1 | 5.2 | 10.5 | 15.5 | 12.4 | 10.9 | -1.7 | -7.6 | -6.2 |
| 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 | 14.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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) | 5.1 | 7.5 | 7.0 | 10.3 | 11.7 | 12.9 | 12.3 | 10.0 | 10.4 | 7.4 | 7.6 | 5.1 |
| Precipitation (mm) | 53 | 75 | 96 | 51 | 58 | 22 | 58 | 84 | 14 | 76 | 16 | 93 |
| Sunny days | 16 | 17 | 14 | 18 | 20 | 18 | 11 | 11 | 19 | 17 | 25 | 17 |
| Rainy days | 10 | 11 | 17 | 12 | 11 | 12 | 20 | 20 | 11 | 14 | 4 | 14 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 |
The best time to visit Winchester during the most sunny months:
The largest precipitation sum in Winchester is at