Average annual temperature is 13.0 °C
Absolute maximum temperature: 36.8 °C
Absolute minimum temperature: -15.8 °C
Number of sunny days: 202 days
Number of rainy days: 150 days
Number of snow days: 13 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) | 15.9 | 14.3 | 22.8 | 28.4 | 31.2 | 33.6 | 35.9 | 36.8 | 33.3 | 30.3 | 22.1 | 15.8 |
| Average daytime temperature (°C) | 4.8 | 8.3 | 10.0 | 19.0 | 25.7 | 30.0 | 30.5 | 28.7 | 27.3 | 19.3 | 12.1 | 8.1 |
| Average temperature (°C) | 0.2 | 2.0 | 4.3 | 11.8 | 19.0 | 23.7 | 24.6 | 23.8 | 20.9 | 14.2 | 6.6 | 4.0 |
| Average night temperature (°C) | -2.9 | -2.7 | 0.2 | 6.0 | 12.7 | 17.7 | 19.3 | 19.5 | 15.7 | 10.0 | 2.2 | 1.1 |
| Absolute minimum temperature (°C) | -13.6 | -15.8 | -11.0 | -1.3 | 5.0 | 9.8 | 15.1 | 13.0 | 11.7 | -2.5 | -8.9 | -6.7 |
| 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) | 9.7 | 10.7 | 11.9 | 13.3 | 14.4 | 15.0 | 14.7 | 13.7 | 12.5 | 11.1 | 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) | 5.4 | 7.7 | 6.8 | 10.3 | 11.6 | 12.3 | 12.1 | 10.4 | 10.3 | 7.2 | 7.6 | 4.8 |
| Precipitation (mm) | 63 | 79 | 82 | 40 | 43 | 31 | 102 | 266 | 15 | 82 | 15 | 91 |
| Sunny days | 17 | 17 | 11 | 19 | 19 | 18 | 11 | 13 | 22 | 18 | 22 | 15 |
| Rainy days | 7 | 9 | 19 | 11 | 12 | 12 | 20 | 18 | 8 | 13 | 6 | 15 |
| Snow days | 7 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The best time to visit Winchester during the most sunny months:
The largest precipitation sum in Winchester is at