Average annual temperature is 14.5 °C
Absolute maximum temperature: 36.7 °C
Absolute minimum temperature: -11.9 °C
Number of sunny days: 211 days
Number of rainy days: 152 days
Number of snow days: 2 days
Look at detailed online map of Wŏlmak
* Weather data for Wŏlmak 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) | 17.2 | 16.2 | 24.7 | 29.1 | 33.5 | 34.5 | 35.2 | 36.7 | 30.5 | 24.9 | 27.3 | 19.1 |
| Average daytime temperature (°C) | 7.2 | 10.3 | 18.6 | 19.9 | 24.1 | 29.4 | 30.3 | 31.5 | 27.2 | 21.8 | 14.5 | 8.6 |
| Average temperature (°C) | 0.9 | 3.8 | 10.8 | 13.7 | 18.3 | 23.4 | 25.9 | 26.9 | 22.9 | 15.2 | 8.2 | 3.3 |
| Average night temperature (°C) | -3.4 | -1.2 | 4.3 | 8.2 | 13.5 | 18.8 | 22.8 | 23.4 | 19.3 | 9.8 | 3.2 | -0.8 |
| Absolute minimum temperature (°C) | -11.9 | -5.1 | -3.0 | 2.6 | 7.2 | 16.2 | 18.8 | 20.2 | 14.7 | 5.6 | -4.3 | -8.5 |
| 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) | 7.8 | 7.5 | 8.9 | 8.1 | 8.0 | 9.4 | 7.3 | 9.5 | 7.6 | 8.8 | 8.0 | 6.9 |
| Precipitation (mm) | 46 | 26 | 48 | 83 | 173 | 151 | 277 | 337 | 187 | 9 | 65 | 86 |
| Sunny days | 26 | 19 | 23 | 16 | 17 | 13 | 7 | 8 | 12 | 26 | 21 | 23 |
| Rainy days | 4 | 9 | 8 | 14 | 14 | 17 | 24 | 23 | 18 | 5 | 9 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Wŏlmak is at