Average annual temperature is 11.6 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -19.3 °C
Number of sunny days: 181 days
Number of rainy days: 169 days
Number of snow days: 15 days
Look at detailed online map of Irwŏn-dong
* Weather data for Irwŏn-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) | 9.6 | 10.2 | 21.4 | 24.3 | 28.9 | 31.9 | 32.8 | 33.8 | 30.8 | 22.2 | 22.4 | 14.0 |
| Average daytime temperature (°C) | 0.6 | 5.2 | 13.4 | 17.0 | 22.6 | 26.1 | 29.4 | 29.0 | 26.3 | 18.9 | 8.3 | 2.5 |
| Average temperature (°C) | -4.1 | -0.3 | 6.6 | 11.0 | 16.8 | 21.2 | 25.2 | 25.0 | 21.7 | 13.4 | 3.7 | -1.7 |
| Average night temperature (°C) | -8.8 | -4.0 | 1.1 | 6.0 | 11.6 | 16.9 | 22.0 | 21.7 | 17.9 | 8.8 | -0.1 | -5.6 |
| Absolute minimum temperature (°C) | -19.3 | -7.2 | -4.7 | 0.3 | 5.0 | 12.9 | 19.0 | 16.7 | 12.1 | 3.4 | -8.4 | -16.8 |
| 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) | 7.1 | 8.5 | 9.2 | 7.3 | 9.3 | 9.3 | 8.2 | 7.9 | 7.9 | 8.1 | 6.4 | 6.1 |
| Precipitation (mm) | 46 | 3 | 17 | 115 | 153 | 252 | 268 | 332 | 84 | 28 | 103 | 80 |
| Sunny days | 21 | 24 | 24 | 12 | 19 | 6 | 8 | 3 | 12 | 22 | 13 | 17 |
| Rainy days | 3 | 3 | 7 | 18 | 12 | 24 | 23 | 28 | 18 | 9 | 15 | 9 |
| Snow days | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 5 |
The largest precipitation sum in Irwŏn-dong is at