Average annual temperature is 12.1 °C
Absolute maximum temperature: 43.1 °C
Absolute minimum temperature: -6.6 °C
Number of sunny days: 183 days
Number of rainy days: 181 days
Number of snow days: 1 day
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 | 17.6 | 16.9 | 30.3 | 32.5 | 33.5 | 36.9 | 43.1 | 34.6 | 30.4 | 19.5 | 19.6 |
| Average daytime temperature (°C) | 10.2 | 10.6 | 11.0 | 15.3 | 23.2 | 27.2 | 31.4 | 32.8 | 25.9 | 20.4 | 13.5 | 12.1 |
| Average temperature (°C) | 5.1 | 4.1 | 4.9 | 9.2 | 14.8 | 17.5 | 21.2 | 22.6 | 17.5 | 12.9 | 7.7 | 7.6 |
| Average night temperature (°C) | 1.7 | 0.0 | 0.8 | 4.9 | 8.9 | 10.5 | 13.6 | 15.2 | 11.8 | 8.5 | 3.8 | 4.5 |
| Absolute minimum temperature (°C) | -6.6 | -5.0 | -3.1 | -1.5 | 2.5 | 5.8 | 10.1 | 12.0 | 7.0 | -0.6 | -4.0 | -2.0 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.4 | 10.5 | 11.9 | 13.4 | 14.7 | 15.3 | 15.0 | 13.9 | 12.5 | 11.0 | 9.7 | 9.0 |
| Daylight minimum duration (h) | 9.0 | 9.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 8.0 |
| Sunshine mean duration (h) | 4.4 | 6.5 | 6.3 | 7.2 | 11.2 | 12.9 | 13.2 | 12.1 | 9.5 | 7.7 | 5.1 | 3.2 |
| Precipitation (mm) | 109 | 81 | 164 | 119 | 39 | 16 | 0 | 3 | 49 | 76 | 117 | 221 |
| Sunny days | 7 | 12 | 5 | 7 | 16 | 25 | 30 | 28 | 19 | 15 | 11 | 8 |
| Rainy days | 24 | 15 | 26 | 23 | 15 | 5 | 1 | 3 | 11 | 16 | 19 | 23 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Winchester during the most sunny months:
Months with the longest average daylight duration in Winchester:
The largest precipitation sum in Winchester is at