Average annual temperature is 13.4 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -10.0 °C
Number of sunny days: 185 days
Number of rainy days: 178 days
Number of snow days: 2 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 | 20.9 | 18.0 | 29.5 | 28.7 | 34.9 | 34.3 | 32.7 | 35.8 | 27.8 | 20.3 | 15.3 |
| Average daytime temperature (°C) | 8.7 | 10.0 | 11.3 | 19.8 | 22.4 | 26.7 | 30.2 | 29.1 | 25.5 | 20.2 | 11.9 | 9.3 |
| Average temperature (°C) | 4.9 | 4.8 | 5.8 | 13.6 | 15.9 | 20.4 | 24.6 | 23.5 | 20.3 | 14.7 | 6.9 | 5.2 |
| Average night temperature (°C) | 1.7 | 0.7 | 1.0 | 8.5 | 9.9 | 15.1 | 20.1 | 19.0 | 16.0 | 10.4 | 2.7 | 1.8 |
| Absolute minimum temperature (°C) | -4.0 | -10.0 | -5.1 | -0.2 | 3.7 | 9.9 | 17.5 | 14.8 | 10.9 | 4.6 | -5.4 | -3.6 |
| 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 | 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) | 4.8 | 6.8 | 7.5 | 9.4 | 11.2 | 10.8 | 11.7 | 10.5 | 8.3 | 8.6 | 7.6 | 4.8 |
| Precipitation (mm) | 107 | 50 | 79 | 150 | 30 | 101 | 140 | 107 | 126 | 44 | 62 | 180 |
| Sunny days | 13 | 17 | 15 | 15 | 19 | 10 | 7 | 13 | 16 | 19 | 23 | 18 |
| Rainy days | 18 | 9 | 16 | 15 | 12 | 20 | 24 | 18 | 14 | 12 | 7 | 13 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Winchester during the most sunny months:
The largest precipitation sum in Winchester is at