Average annual temperature is 11.8 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -17.1 °C
Number of sunny days: 175 days
Number of rainy days: 171 days
Number of snow days: 19 days
Look at detailed online map of Yŏndam
* Weather data for Yŏndam 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) | 8.0 | 8.8 | 19.2 | 21.8 | 28.1 | 31.1 | 31.6 | 33.3 | 30.5 | 22.6 | 21.9 | 14.1 |
| Average daytime temperature (°C) | -0.1 | 4.6 | 11.2 | 15.6 | 21.4 | 25.2 | 28.2 | 28.5 | 26.1 | 18.7 | 8.4 | 2.4 |
| Average temperature (°C) | -4.0 | -0.1 | 5.9 | 10.8 | 16.7 | 20.8 | 24.7 | 25.1 | 21.9 | 14.7 | 4.7 | -0.9 |
| Average night temperature (°C) | -7.9 | -3.5 | 1.6 | 7.0 | 12.8 | 17.2 | 22.2 | 22.4 | 18.8 | 11.5 | 1.4 | -4.2 |
| Absolute minimum temperature (°C) | -17.1 | -6.7 | -3.9 | 0.2 | 7.7 | 13.8 | 19.8 | 18.7 | 13.9 | 6.6 | -6.9 | -14.6 |
| 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) | 6.9 | 8.3 | 9.1 | 7.7 | 8.7 | 9.4 | 8.0 | 7.9 | 8.3 | 8.5 | 6.4 | 5.0 |
| Precipitation (mm) | 29 | 5 | 21 | 115 | 116 | 220 | 288 | 261 | 73 | 58 | 121 | 65 |
| Sunny days | 16 | 27 | 25 | 14 | 18 | 8 | 9 | 4 | 9 | 19 | 12 | 14 |
| Rainy days | 6 | 1 | 6 | 16 | 13 | 22 | 22 | 27 | 21 | 12 | 16 | 9 |
| Snow days | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 8 |
The largest precipitation sum in Yŏndam is at