Average annual temperature is 11.8 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -17.9 °C
Number of sunny days: 190 days
Number of rainy days: 164 days
Number of snow days: 11 days
Look at detailed online map of Yŏhyŏn
* Weather data for Yŏhyŏn 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) | 10.0 | 8.5 | 20.0 | 23.4 | 28.0 | 31.3 | 32.0 | 33.9 | 30.1 | 22.4 | 21.7 | 14.5 |
| Average daytime temperature (°C) | 1.1 | 5.4 | 12.3 | 16.7 | 21.7 | 25.5 | 28.5 | 28.9 | 26.1 | 18.9 | 8.9 | 3.2 |
| Average temperature (°C) | -3.6 | -0.2 | 6.1 | 11.1 | 16.5 | 21.1 | 25.0 | 25.3 | 21.9 | 14.0 | 4.5 | -0.8 |
| Average night temperature (°C) | -7.6 | -3.9 | 1.0 | 6.6 | 12.1 | 17.3 | 22.3 | 22.2 | 18.4 | 9.9 | 0.8 | -4.7 |
| Absolute minimum temperature (°C) | -17.9 | -7.2 | -4.9 | -0.5 | 5.8 | 13.5 | 19.0 | 17.7 | 12.9 | 4.5 | -7.4 | -15.5 |
| 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 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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) | 7.0 | 8.5 | 9.1 | 7.3 | 9.1 | 9.2 | 7.9 | 8.2 | 7.8 | 8.3 | 6.7 | 6.2 |
| Precipitation (mm) | 33 | 4 | 14 | 108 | 203 | 205 | 292 | 294 | 87 | 23 | 90 | 63 |
| Sunny days | 20 | 25 | 26 | 11 | 18 | 8 | 6 | 9 | 11 | 22 | 15 | 19 |
| Rainy days | 6 | 3 | 5 | 19 | 13 | 22 | 25 | 22 | 19 | 9 | 13 | 8 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Yŏhyŏn is at