Average annual temperature is 13.4 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -8.7 °C
Number of sunny days: 173 days
Number of rainy days: 190 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) | 17.0 | 23.8 | 23.7 | 28.8 | 29.8 | 33.5 | 34.3 | 33.6 | 34.2 | 28.9 | 23.6 | 17.7 |
| Average daytime temperature (°C) | 8.9 | 13.2 | 13.0 | 19.7 | 23.5 | 27.4 | 29.9 | 28.9 | 26.6 | 20.0 | 13.3 | 10.1 |
| Average temperature (°C) | 4.1 | 6.0 | 6.3 | 12.7 | 16.7 | 20.9 | 23.9 | 22.8 | 20.1 | 14.3 | 7.1 | 4.9 |
| Average night temperature (°C) | 0.6 | 1.1 | 1.3 | 6.7 | 10.9 | 15.1 | 19.0 | 17.7 | 14.7 | 9.8 | 2.5 | 1.2 |
| Absolute minimum temperature (°C) | -6.9 | -8.7 | -8.0 | -0.8 | 3.8 | 10.0 | 14.9 | 12.4 | 10.0 | 1.9 | -7.1 | -5.6 |
| 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) | 9.8 | 10.7 | 12.0 | 13.2 | 14.3 | 14.9 | 14.6 | 13.7 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 4.4 | 7.4 | 7.7 | 9.3 | 10.0 | 11.1 | 11.8 | 10.5 | 9.7 | 7.4 | 7.3 | 5.3 |
| Precipitation (mm) | 113 | 70 | 95 | 62 | 62 | 59 | 95 | 123 | 41 | 52 | 45 | 85 |
| Sunny days | 10 | 17 | 16 | 14 | 17 | 13 | 9 | 13 | 15 | 15 | 20 | 14 |
| Rainy days | 20 | 10 | 15 | 16 | 14 | 17 | 22 | 18 | 15 | 16 | 10 | 17 |
| Snow days | 1 | 1 | 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