Average annual temperature is 12.3 °C
Absolute maximum temperature: 31.5 °C
Absolute minimum temperature: -14.5 °C
Number of sunny days: 206 days
Number of rainy days: 146 days
Number of snow days: 13 days
Look at detailed online map of Wŏlbyŏn
* Weather data for Wŏlbyŏn North 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) | 6.5 | 5.0 | 12.4 | 16.8 | 21.3 | 25.8 | 28.2 | 31.5 | 26.9 | 22.4 | 19.3 | 11.5 |
| Average daytime temperature (°C) | 1.1 | 2.8 | 7.0 | 11.6 | 15.8 | 20.4 | 25.0 | 27.1 | 24.3 | 18.5 | 10.0 | 3.8 |
| Average temperature (°C) | -1.1 | 0.9 | 5.3 | 9.9 | 14.4 | 19.4 | 23.9 | 25.6 | 22.7 | 16.7 | 7.5 | 1.6 |
| Average night temperature (°C) | -3.9 | -1.2 | 3.4 | 8.6 | 13.4 | 18.5 | 22.9 | 24.1 | 20.7 | 14.6 | 4.4 | -1.3 |
| Absolute minimum temperature (°C) | -14.5 | -4.2 | -0.6 | 6.1 | 10.1 | 15.9 | 20.6 | 20.4 | 16.1 | 11.0 | -4.1 | -11.5 |
| 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 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.1 | 8.5 | 9.3 | 8.0 | 9.0 | 9.9 | 8.6 | 8.9 | 8.1 | 8.8 | 6.8 | 5.8 |
| Precipitation (mm) | 34 | 5 | 21 | 98 | 125 | 129 | 239 | 214 | 88 | 40 | 106 | 78 |
| Sunny days | 15 | 26 | 25 | 14 | 21 | 15 | 14 | 15 | 11 | 19 | 16 | 15 |
| Rainy days | 8 | 2 | 6 | 16 | 10 | 15 | 17 | 16 | 19 | 12 | 13 | 12 |
| Snow days | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Wŏlbyŏn is at