Average annual temperature is 14.6 °C
Absolute maximum temperature: 35.5 °C
Absolute minimum temperature: -12.1 °C
Number of sunny days: 177 days
Number of rainy days: 181 days
Number of snow days: 7 days
Look at detailed online map of Wŏlchŏl-li
* Weather data for Wŏlchŏl-li 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) | 15.8 | 15.5 | 24.1 | 27.7 | 31.1 | 33.2 | 33.7 | 35.5 | 31.5 | 23.8 | 26.4 | 19.1 |
| Average daytime temperature (°C) | 6.4 | 10.0 | 17.5 | 19.3 | 23.2 | 28.4 | 29.3 | 31.5 | 27.7 | 21.1 | 13.7 | 8.7 |
| Average temperature (°C) | 1.4 | 4.0 | 10.4 | 13.3 | 18.2 | 22.9 | 25.7 | 26.8 | 23.2 | 15.4 | 8.8 | 4.3 |
| Average night temperature (°C) | -2.6 | -0.5 | 5.0 | 7.9 | 13.7 | 18.7 | 23.0 | 23.1 | 19.4 | 10.5 | 4.5 | 0.9 |
| Absolute minimum temperature (°C) | -12.1 | -4.7 | -2.3 | 1.6 | 4.4 | 15.3 | 18.6 | 19.9 | 14.3 | 6.6 | -3.0 | -7.5 |
| 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) | 7.3 | 7.1 | 8.6 | 7.4 | 7.6 | 8.8 | 6.1 | 9.6 | 7.5 | 8.5 | 7.5 | 6.0 |
| Precipitation (mm) | 51 | 25 | 61 | 109 | 163 | 179 | 460 | 324 | 179 | 10 | 96 | 63 |
| Sunny days | 21 | 20 | 23 | 14 | 13 | 13 | 4 | 6 | 8 | 21 | 19 | 15 |
| Rainy days | 8 | 8 | 8 | 16 | 18 | 17 | 27 | 25 | 22 | 10 | 11 | 11 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Wŏlchŏl-li is at