Average annual temperature is 13.2 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 188 days
Number of rainy days: 164 days
Number of snow days: 13 days
Look at detailed online map of Wŏlsan
* Weather data for Wŏlsan 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) | 14.3 | 11.4 | 25.0 | 27.1 | 28.6 | 34.4 | 32.7 | 34.8 | 30.4 | 23.3 | 22.6 | 16.7 |
| Average daytime temperature (°C) | 3.9 | 6.9 | 14.7 | 18.2 | 23.6 | 27.1 | 28.9 | 30.4 | 26.6 | 20.0 | 11.5 | 5.9 |
| Average temperature (°C) | -1.1 | 1.0 | 8.1 | 12.6 | 18.0 | 22.1 | 25.4 | 26.1 | 22.2 | 14.5 | 7.1 | 1.8 |
| Average night temperature (°C) | -5.4 | -3.1 | 2.5 | 7.7 | 13.1 | 18.1 | 22.6 | 22.6 | 18.8 | 9.5 | 2.6 | -2.1 |
| Absolute minimum temperature (°C) | -13.5 | -6.6 | -3.8 | 1.2 | 4.7 | 13.5 | 19.6 | 17.0 | 12.6 | 3.4 | -5.1 | -12.0 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 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 | 8.5 | 9.4 | 8.1 | 8.6 | 10.2 | 7.6 | 9.2 | 7.3 | 8.6 | 7.0 | 4.5 |
| Precipitation (mm) | 27 | 2 | 14 | 76 | 138 | 177 | 411 | 238 | 264 | 14 | 92 | 91 |
| Sunny days | 20 | 24 | 26 | 17 | 19 | 11 | 3 | 8 | 10 | 21 | 15 | 14 |
| Rainy days | 7 | 4 | 5 | 13 | 12 | 19 | 28 | 23 | 20 | 10 | 14 | 9 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 8 |
The best time to visit Wŏlsan during the most sunny months:
The largest precipitation sum in Wŏlsan is at