Average annual temperature is 9.4 °C
Absolute maximum temperature: 31.8 °C
Absolute minimum temperature: -26.3 °C
Number of sunny days: 189 days
Number of rainy days: 163 days
Number of snow days: 13 days
Look at detailed online map of Yŏnson
* Weather data for Yŏnson 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) | 9.1 | 9.3 | 20.3 | 23.4 | 26.4 | 30.4 | 31.5 | 31.8 | 28.8 | 20.4 | 19.9 | 10.7 |
| Average daytime temperature (°C) | -1.0 | 3.9 | 11.9 | 14.9 | 20.6 | 24.4 | 28.2 | 27.0 | 23.9 | 17.0 | 6.9 | -0.5 |
| Average temperature (°C) | -5.9 | -1.6 | 4.6 | 8.6 | 14.5 | 19.1 | 23.5 | 22.7 | 19.0 | 11.2 | 2.0 | -5.3 |
| Average night temperature (°C) | -10.2 | -5.2 | -0.9 | 3.5 | 9.2 | 14.5 | 20.2 | 19.6 | 15.5 | 6.8 | -1.8 | -10.3 |
| Absolute minimum temperature (°C) | -21.5 | -8.5 | -7.5 | -2.6 | 2.9 | 9.9 | 17.1 | 14.7 | 7.4 | 1.5 | -10.3 | -26.3 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.6 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.8 | 8.5 | 9.2 | 8.1 | 9.8 | 9.9 | 8.6 | 7.9 | 7.9 | 8.5 | 6.7 | 5.5 |
| Precipitation (mm) | 35 | 3 | 19 | 111 | 124 | 165 | 210 | 237 | 90 | 22 | 83 | 91 |
| Sunny days | 21 | 25 | 24 | 10 | 17 | 7 | 7 | 8 | 12 | 21 | 18 | 19 |
| Rainy days | 3 | 1 | 7 | 20 | 14 | 23 | 24 | 23 | 18 | 10 | 12 | 8 |
| Snow days | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Yŏnson is at