Average annual temperature is 5.2 °C
Absolute maximum temperature: 31.3 °C
Absolute minimum temperature: -30.8 °C
Number of sunny days: 173 days
Number of rainy days: 138 days
Number of snow days: 54 days
Look at detailed online map of Iso
* Weather data for Iso 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) | 6.3 | 5.4 | 15.8 | 21.1 | 27.0 | 28.9 | 30.9 | 31.3 | 26.2 | 18.5 | 19.0 | 9.0 |
| Average daytime temperature (°C) | -7.3 | -3.7 | 6.9 | 11.3 | 18.6 | 21.9 | 26.6 | 24.5 | 21.8 | 13.2 | 1.8 | -6.1 |
| Average temperature (°C) | -12.6 | -9.7 | 0.7 | 5.3 | 12.1 | 16.4 | 20.8 | 19.9 | 15.5 | 7.0 | -3.3 | -11.2 |
| Average night temperature (°C) | -17.4 | -15.5 | -3.9 | 0.5 | 6.0 | 11.7 | 15.9 | 16.5 | 10.4 | 2.3 | -7.2 | -15.6 |
| Absolute minimum temperature (°C) | -30.8 | -26.1 | -16.1 | -4.7 | -2.2 | 5.9 | 11.6 | 11.8 | 1.9 | -3.2 | -17.2 | -27.6 |
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Daylight maximum duration (h) | 9.0 | 11.0 | 12.0 | 13.0 | 15.0 | 15.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.5 | 10.6 | 11.9 | 13.4 | 14.6 | 15.2 | 14.9 | 13.8 | 12.5 | 11.1 | 9.8 | 9.2 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 14.0 | 15.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 6.9 | 8.3 | 9.2 | 8.5 | 11.2 | 10.3 | 10.7 | 7.2 | 9.9 | 9.4 | 6.6 | 6.5 |
| Precipitation (mm) | 19 | 16 | 25 | 42 | 67 | 150 | 97 | 239 | 4 | 15 | 40 | 23 |
| Sunny days | 19 | 14 | 22 | 12 | 16 | 5 | 6 | 6 | 20 | 18 | 16 | 19 |
| Rainy days | 1 | 0 | 2 | 16 | 15 | 25 | 25 | 25 | 10 | 12 | 6 | 1 |
| Snow days | 11 | 14 | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 1 | 8 | 11 |
The best time to visit Iso during the most sunny months:
The largest precipitation sum in Iso is at