Average annual temperature is 12.8 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -16.6 °C
Number of sunny days: 195 days
Number of rainy days: 161 days
Number of snow days: 9 days
Look at detailed online map of Wonhansan
* Weather data for Wonhansan 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) | 12.8 | 11.1 | 25.3 | 28.0 | 31.3 | 34.6 | 33.7 | 34.6 | 30.7 | 22.5 | 23.5 | 17.4 |
| Average daytime temperature (°C) | 2.7 | 6.5 | 15.4 | 19.1 | 24.6 | 27.2 | 29.4 | 30.1 | 26.4 | 19.4 | 10.6 | 5.1 |
| Average temperature (°C) | -2.3 | 0.9 | 8.0 | 12.7 | 18.1 | 21.9 | 25.3 | 25.8 | 22.2 | 13.9 | 5.7 | 0.7 |
| Average night temperature (°C) | -7.2 | -3.4 | 2.0 | 7.4 | 12.6 | 17.8 | 22.4 | 22.3 | 18.7 | 9.1 | 1.1 | -3.0 |
| Absolute minimum temperature (°C) | -16.6 | -6.6 | -4.5 | 0.4 | 4.5 | 13.7 | 20.0 | 17.1 | 13.0 | 3.0 | -7.1 | -13.6 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.2 | 8.3 | 9.5 | 7.9 | 8.6 | 9.6 | 7.6 | 8.6 | 7.4 | 8.2 | 7.1 | 5.8 |
| Precipitation (mm) | 37 | 1 | 17 | 90 | 130 | 168 | 411 | 274 | 196 | 28 | 87 | 79 |
| Sunny days | 20 | 26 | 26 | 16 | 20 | 12 | 5 | 8 | 9 | 19 | 16 | 18 |
| Rainy days | 7 | 2 | 5 | 14 | 11 | 18 | 26 | 23 | 21 | 12 | 14 | 8 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Wonhansan is at