Average annual temperature is 11.4 °C
Absolute maximum temperature: 31.2 °C
Absolute minimum temperature: -18.0 °C
Number of sunny days: 158 days
Number of rainy days: 190 days
Number of snow days: 17 days
Look at detailed online map of Wŏndaeyang
* Weather data for Wŏndaeyang 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) | 14.2 | 11.3 | 20.8 | 23.6 | 28.1 | 30.6 | 30.9 | 31.2 | 28.0 | 20.4 | 21.9 | 15.4 |
| Average daytime temperature (°C) | 1.6 | 5.2 | 13.7 | 16.2 | 20.9 | 25.7 | 26.9 | 28.1 | 24.1 | 17.3 | 9.3 | 3.9 |
| Average temperature (°C) | -2.8 | -0.1 | 7.4 | 10.5 | 15.8 | 20.3 | 23.3 | 23.9 | 20.1 | 12.4 | 4.7 | 0.0 |
| Average night temperature (°C) | -6.7 | -3.8 | 2.7 | 5.9 | 11.6 | 16.2 | 20.6 | 20.8 | 16.9 | 8.2 | 0.7 | -3.4 |
| Absolute minimum temperature (°C) | -18.0 | -9.0 | -5.2 | -1.5 | 2.5 | 12.6 | 17.5 | 15.5 | 12.0 | 3.3 | -9.4 | -15.2 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 7.1 | 7.4 | 9.1 | 7.7 | 8.4 | 9.9 | 7.2 | 9.6 | 7.5 | 8.8 | 7.2 | 5.8 |
| Precipitation (mm) | 37 | 11 | 37 | 86 | 158 | 197 | 581 | 362 | 257 | 18 | 74 | 120 |
| Sunny days | 16 | 21 | 21 | 14 | 13 | 8 | 1 | 2 | 7 | 21 | 18 | 16 |
| Rainy days | 6 | 4 | 10 | 16 | 18 | 22 | 30 | 29 | 23 | 10 | 12 | 10 |
| Snow days | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Wŏndaeyang is at