Average annual temperature is 12.6 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -16.7 °C
Number of sunny days: 185 days
Number of rainy days: 171 days
Number of snow days: 9 days
Look at detailed online map of Yŏndang
* Weather data for Yŏndang 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) | 12.9 | 11.6 | 21.9 | 25.1 | 30.7 | 31.3 | 32.9 | 33.8 | 28.5 | 21.5 | 22.4 | 15.1 |
| Average daytime temperature (°C) | 2.7 | 6.7 | 15.2 | 17.0 | 22.4 | 26.9 | 28.5 | 29.2 | 24.7 | 18.4 | 10.4 | 4.6 |
| Average temperature (°C) | -1.6 | 1.6 | 8.7 | 11.7 | 17.1 | 21.5 | 24.5 | 25.3 | 21.1 | 13.4 | 5.8 | 0.8 |
| Average night temperature (°C) | -5.5 | -2.3 | 3.1 | 6.8 | 12.4 | 17.4 | 21.5 | 22.2 | 18.0 | 9.3 | 1.5 | -2.6 |
| Absolute minimum temperature (°C) | -16.7 | -6.9 | -4.6 | 0.0 | 2.9 | 13.8 | 17.3 | 18.6 | 12.3 | 3.5 | -7.6 | -13.3 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| 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) | 7.5 | 7.5 | 9.2 | 8.5 | 9.0 | 9.7 | 7.9 | 9.7 | 7.3 | 8.6 | 7.8 | 6.9 |
| Precipitation (mm) | 29 | 11 | 58 | 63 | 166 | 214 | 314 | 220 | 209 | 10 | 38 | 95 |
| Sunny days | 23 | 19 | 24 | 14 | 17 | 9 | 5 | 7 | 7 | 22 | 17 | 21 |
| Rainy days | 4 | 6 | 7 | 16 | 14 | 21 | 26 | 24 | 23 | 9 | 12 | 9 |
| Snow days | 4 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The largest precipitation sum in Yŏndang is at