Average annual temperature is 14.4 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -12.5 °C
Number of sunny days: 169 days
Number of rainy days: 188 days
Number of snow days: 8 days
Look at detailed online map of Wŏnsan
* Weather data for Wŏnsan 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) | 15.1 | 13.7 | 24.5 | 27.0 | 30.9 | 34.1 | 32.2 | 34.8 | 30.4 | 23.1 | 25.0 | 18.6 |
| Average daytime temperature (°C) | 5.8 | 9.2 | 17.4 | 19.2 | 23.2 | 28.8 | 28.9 | 30.7 | 27.1 | 20.5 | 13.2 | 8.1 |
| Average temperature (°C) | 1.0 | 3.2 | 10.1 | 13.3 | 18.0 | 22.9 | 25.5 | 26.4 | 23.0 | 15.6 | 8.6 | 4.3 |
| Average night temperature (°C) | -3.1 | -1.5 | 4.6 | 8.3 | 13.7 | 18.6 | 22.9 | 22.9 | 19.7 | 11.5 | 4.5 | 0.9 |
| Absolute minimum temperature (°C) | -12.5 | -5.1 | -3.7 | 1.6 | 6.3 | 13.9 | 18.7 | 18.8 | 15.3 | 7.0 | -3.1 | -8.4 |
| 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 | 14.2 | 13.4 | 12.4 | 11.3 | 10.3 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.0 | 8.5 | 7.2 | 7.3 | 8.7 | 6.3 | 9.8 | 7.6 | 8.5 | 7.1 | 5.7 |
| Precipitation (mm) | 30 | 28 | 54 | 95 | 152 | 168 | 468 | 310 | 150 | 13 | 83 | 71 |
| Sunny days | 18 | 22 | 21 | 13 | 11 | 14 | 3 | 4 | 6 | 22 | 19 | 16 |
| Rainy days | 10 | 6 | 10 | 17 | 20 | 16 | 28 | 27 | 24 | 9 | 11 | 10 |
| Snow days | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Wŏnsan during the most sunny months:
The largest precipitation sum in Wŏnsan is at