Average annual temperature is 12.2 °C
Absolute maximum temperature: 34.1 °C
Absolute minimum temperature: -17.4 °C
Number of sunny days: 191 days
Number of rainy days: 164 days
Number of snow days: 10 days
Look at detailed online map of Irwŏngol
* Weather data for Irwŏngol 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) | 11.2 | 9.5 | 22.1 | 24.7 | 28.4 | 33.6 | 33.0 | 34.1 | 30.8 | 23.0 | 22.7 | 15.4 |
| Average daytime temperature (°C) | 1.7 | 6.1 | 13.7 | 17.5 | 22.8 | 26.4 | 29.1 | 29.3 | 26.5 | 19.4 | 9.4 | 3.9 |
| Average temperature (°C) | -3.2 | 0.2 | 7.0 | 11.7 | 17.2 | 21.7 | 25.4 | 25.6 | 22.0 | 13.8 | 4.6 | -0.5 |
| Average night temperature (°C) | -7.4 | -4.0 | 1.3 | 6.8 | 12.4 | 17.7 | 22.4 | 22.2 | 18.4 | 9.1 | 0.4 | -4.4 |
| Absolute minimum temperature (°C) | -17.4 | -6.6 | -4.4 | 0.4 | 5.1 | 13.3 | 19.4 | 16.1 | 12.5 | 4.0 | -7.3 | -14.9 |
| 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 | 14.7 | 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) | 7.0 | 8.6 | 9.0 | 7.1 | 9.2 | 9.2 | 7.9 | 8.1 | 7.9 | 8.3 | 6.7 | 6.3 |
| Precipitation (mm) | 35 | 3 | 12 | 117 | 188 | 171 | 318 | 298 | 98 | 24 | 94 | 74 |
| Sunny days | 20 | 25 | 26 | 11 | 21 | 9 | 7 | 5 | 10 | 20 | 16 | 21 |
| Rainy days | 4 | 3 | 5 | 19 | 10 | 21 | 24 | 26 | 20 | 11 | 12 | 9 |
| Snow days | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The largest precipitation sum in Irwŏngol is at