Average annual temperature is 12.4 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 198 days
Number of rainy days: 151 days
Number of snow days: 16 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) | 14.7 | 13.8 | 22.6 | 28.0 | 31.7 | 33.6 | 35.5 | 36.2 | 33.7 | 30.7 | 19.6 | 15.3 |
| Average daytime temperature (°C) | 3.6 | 7.0 | 9.1 | 18.2 | 25.6 | 29.5 | 29.2 | 28.4 | 26.9 | 18.9 | 11.5 | 7.5 |
| Average temperature (°C) | -0.9 | 0.8 | 3.6 | 11.1 | 19.0 | 23.5 | 23.8 | 23.5 | 20.8 | 14.0 | 6.0 | 3.4 |
| Average night temperature (°C) | -3.8 | -3.9 | -0.4 | 5.5 | 12.6 | 17.6 | 18.9 | 19.3 | 15.9 | 9.9 | 1.6 | 0.6 |
| Absolute minimum temperature (°C) | -14.4 | -17.3 | -12.0 | -2.1 | 3.8 | 9.7 | 14.1 | 12.2 | 11.8 | -2.9 | -10.2 | -6.6 |
| 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) | 4.8 | 7.5 | 6.9 | 9.7 | 12.1 | 12.5 | 12.4 | 10.8 | 10.2 | 7.4 | 7.5 | 4.7 |
| Precipitation (mm) | 59 | 97 | 90 | 48 | 56 | 30 | 119 | 145 | 41 | 73 | 17 | 89 |
| Sunny days | 16 | 15 | 13 | 17 | 20 | 17 | 11 | 15 | 19 | 17 | 23 | 15 |
| Rainy days | 7 | 10 | 16 | 13 | 11 | 13 | 20 | 16 | 11 | 14 | 6 | 14 |
| Snow days | 8 | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 |
The best time to visit Winchester during the most sunny months:
The largest precipitation sum in Winchester is at