Average annual temperature is 13.5 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -12.7 °C
Number of sunny days: 202 days
Number of rainy days: 158 days
Number of snow days: 5 days
Look at detailed online map of Wŏndaehyŏn
* Weather data for Wŏndaehyŏn South Korea is based on climate observations for 2026 year
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Absolute maximum temperature (°C) | 15.3 | 14.7 | 23.4 | 27.1 | 31.7 | 34.6 | 33.9 | 35.3 | 30.4 | 23.6 | 25.6 | 17.1 |
| Average daytime temperature (°C) | 5.6 | 9.2 | 17.0 | 18.8 | 23.1 | 28.5 | 29.3 | 30.7 | 26.8 | 20.6 | 13.1 | 7.4 |
| Average temperature (°C) | 0.2 | 2.7 | 9.2 | 12.4 | 17.3 | 22.6 | 24.9 | 26.1 | 22.2 | 13.9 | 7.3 | 2.2 |
| Average night temperature (°C) | -3.9 | -2.1 | 2.3 | 6.4 | 12.1 | 17.6 | 21.7 | 22.3 | 18.3 | 8.5 | 2.6 | -1.6 |
| Absolute minimum temperature (°C) | -12.7 | -5.5 | -3.4 | 0.5 | 4.0 | 13.2 | 17.2 | 17.7 | 13.6 | 4.6 | -4.5 | -9.0 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.5 | 7.5 | 8.7 | 8.1 | 7.9 | 9.4 | 6.9 | 9.6 | 7.4 | 8.8 | 7.7 | 6.6 |
| Precipitation (mm) | 31 | 26 | 43 | 91 | 150 | 146 | 336 | 288 | 182 | 6 | 82 | 74 |
| Sunny days | 26 | 19 | 23 | 16 | 14 | 14 | 7 | 6 | 10 | 25 | 21 | 21 |
| Rainy days | 4 | 8 | 8 | 14 | 17 | 16 | 24 | 25 | 20 | 6 | 9 | 7 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
The largest precipitation sum in Wŏndaehyŏn is at