Average annual temperature is 11.6 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -24.0 °C
Number of sunny days: 222 days
Number of rainy days: 119 days
Number of snow days: 24 days
Look at detailed online map of Winona
* Weather data for Winona 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) | 12.4 | 19.6 | 24.2 | 30.4 | 27.8 | 32.0 | 36.9 | 36.0 | 36.3 | 28.9 | 23.7 | 17.0 |
| Average daytime temperature (°C) | 2.7 | 7.4 | 11.4 | 19.3 | 22.8 | 26.6 | 30.6 | 30.9 | 28.7 | 20.0 | 14.2 | 8.1 |
| Average temperature (°C) | -2.9 | -1.4 | 3.4 | 10.8 | 16.6 | 20.6 | 23.9 | 24.2 | 21.5 | 12.9 | 6.5 | 1.8 |
| Average night temperature (°C) | -6.6 | -6.9 | -2.3 | 4.1 | 11.3 | 15.3 | 17.8 | 18.0 | 15.3 | 7.2 | 1.0 | -2.3 |
| Absolute minimum temperature (°C) | -24.0 | -18.7 | -7.7 | -5.0 | 3.3 | 11.7 | 11.2 | 12.5 | 9.6 | -7.6 | -7.3 | -5.9 |
| 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) | 6.8 | 8.4 | 8.9 | 10.9 | 9.6 | 11.2 | 12.1 | 11.7 | 10.9 | 9.6 | 7.9 | 5.7 |
| Precipitation (mm) | 35 | 24 | 20 | 31 | 118 | 139 | 106 | 55 | 16 | 21 | 7 | 23 |
| Sunny days | 20 | 18 | 21 | 18 | 12 | 11 | 14 | 16 | 24 | 25 | 25 | 18 |
| Rainy days | 3 | 4 | 5 | 12 | 19 | 19 | 17 | 15 | 6 | 5 | 5 | 9 |
| Snow days | 8 | 6 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 4 |
The best time to visit Winona during the most sunny months:
The largest precipitation sum in Winona is at