Average annual temperature is 12.9 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -15.5 °C
Number of sunny days: 194 days
Number of rainy days: 165 days
Number of snow days: 6 days
Look at detailed online map of Wŏlchŏn
* Weather data for Wŏlchŏn 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) | 15.6 | 13.6 | 22.2 | 27.1 | 30.7 | 32.9 | 33.4 | 34.2 | 28.9 | 23.0 | 24.8 | 16.0 |
| Average daytime temperature (°C) | 4.7 | 8.1 | 16.1 | 17.9 | 22.1 | 27.6 | 28.3 | 29.6 | 25.5 | 19.7 | 11.9 | 6.1 |
| Average temperature (°C) | -0.5 | 2.3 | 9.2 | 11.8 | 16.9 | 21.7 | 24.3 | 25.2 | 21.3 | 13.9 | 6.4 | 1.5 |
| Average night temperature (°C) | -4.2 | -1.9 | 3.9 | 6.7 | 12.4 | 17.1 | 21.5 | 21.8 | 17.9 | 9.3 | 2.0 | -1.9 |
| Absolute minimum temperature (°C) | -15.5 | -6.9 | -4.7 | -0.1 | 6.5 | 13.5 | 17.0 | 18.3 | 12.9 | 3.5 | -7.3 | -11.9 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 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) | 7.7 | 7.6 | 8.9 | 8.3 | 8.2 | 9.5 | 7.2 | 9.4 | 7.5 | 8.9 | 7.8 | 6.8 |
| Precipitation (mm) | 44 | 20 | 45 | 81 | 151 | 200 | 357 | 367 | 219 | 9 | 68 | 101 |
| Sunny days | 25 | 20 | 23 | 16 | 16 | 12 | 2 | 7 | 8 | 24 | 21 | 20 |
| Rainy days | 5 | 7 | 8 | 14 | 15 | 18 | 29 | 24 | 22 | 7 | 9 | 7 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Wŏlchŏn is at