Average annual temperature is 13.7 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -10.5 °C
Number of sunny days: 180 days
Number of rainy days: 182 days
Number of snow days: 3 days
Look at detailed online map of Wynnefield
* Weather data for Wynnefield 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) | 17.3 | 19.6 | 17.9 | 30.1 | 29.1 | 34.8 | 34.4 | 32.3 | 36.0 | 27.9 | 20.9 | 16.3 |
| Average daytime temperature (°C) | 9.3 | 10.0 | 11.5 | 20.2 | 22.7 | 27.5 | 31.0 | 29.2 | 25.6 | 20.6 | 12.3 | 9.6 |
| Average temperature (°C) | 5.3 | 4.8 | 5.9 | 13.8 | 16.3 | 21.1 | 25.2 | 23.8 | 20.5 | 15.0 | 7.1 | 5.5 |
| Average night temperature (°C) | 1.9 | 0.3 | 1.0 | 8.8 | 10.1 | 15.7 | 20.5 | 19.3 | 16.3 | 10.5 | 2.6 | 1.9 |
| Absolute minimum temperature (°C) | -3.9 | -10.5 | -4.6 | 0.2 | 4.0 | 10.9 | 17.3 | 15.2 | 11.6 | 4.6 | -4.7 | -3.9 |
| 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 | 15.0 | 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 | 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) | 4.7 | 6.9 | 7.3 | 9.1 | 11.3 | 10.7 | 11.5 | 10.2 | 8.1 | 8.2 | 7.6 | 4.8 |
| Precipitation (mm) | 105 | 52 | 115 | 145 | 49 | 84 | 135 | 73 | 188 | 62 | 74 | 173 |
| Sunny days | 13 | 16 | 13 | 16 | 21 | 11 | 7 | 13 | 13 | 19 | 22 | 16 |
| Rainy days | 18 | 10 | 18 | 14 | 10 | 19 | 24 | 18 | 17 | 12 | 8 | 14 |
| Snow days | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The best time to visit Wynnefield during the most sunny months:
The largest precipitation sum in Wynnefield is at