Average annual temperature is 10.1 °C
Absolute maximum temperature: 32.5 °C
Absolute minimum temperature: -22.5 °C
Number of sunny days: 193 days
Number of rainy days: 155 days
Number of snow days: 17 days
Look at detailed online map of Isŏng-dong
* Weather data for Isŏng-dong 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) | 9.2 | 8.5 | 17.1 | 20.3 | 29.4 | 30.4 | 31.3 | 32.5 | 31.2 | 21.7 | 19.7 | 11.6 |
| Average daytime temperature (°C) | -2.5 | 3.3 | 9.5 | 15.0 | 20.7 | 24.4 | 27.5 | 27.9 | 25.7 | 17.7 | 5.7 | -1.1 |
| Average temperature (°C) | -7.5 | -1.5 | 4.3 | 10.0 | 16.0 | 20.2 | 23.9 | 24.4 | 21.0 | 13.1 | 1.5 | -5.4 |
| Average night temperature (°C) | -12.5 | -5.1 | -0.2 | 5.6 | 11.8 | 16.4 | 21.1 | 21.5 | 17.0 | 9.5 | -2.2 | -9.7 |
| Absolute minimum temperature (°C) | -21.6 | -8.7 | -7.0 | -0.9 | 7.2 | 12.6 | 18.8 | 16.8 | 10.4 | 3.2 | -9.1 | -22.5 |
| 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) | 9.7 | 10.7 | 12.0 | 13.3 | 14.4 | 14.9 | 14.7 | 13.7 | 12.5 | 11.2 | 10.0 | 9.4 |
| 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 | 7.8 | 9.1 | 8.9 | 9.2 | 10.2 | 8.5 | 7.7 | 9.9 | 7.9 | 6.5 | 6.3 |
| Precipitation (mm) | 30 | 4 | 16 | 86 | 155 | 114 | 246 | 403 | 26 | 54 | 96 | 48 |
| Sunny days | 20 | 24 | 25 | 16 | 16 | 9 | 7 | 3 | 19 | 19 | 17 | 18 |
| Rainy days | 2 | 2 | 6 | 14 | 15 | 21 | 24 | 28 | 11 | 12 | 12 | 8 |
| Snow days | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The largest precipitation sum in Isŏng-dong is at