Average annual temperature is 11.6 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -20.4 °C
Number of sunny days: 178 days
Number of rainy days: 170 days
Number of snow days: 17 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) | 9.5 | 9.2 | 21.3 | 23.8 | 29.1 | 32.7 | 32.4 | 32.9 | 30.9 | 22.3 | 22.2 | 13.5 |
| Average daytime temperature (°C) | -0.1 | 4.9 | 13.0 | 16.9 | 22.5 | 26.2 | 29.2 | 28.8 | 26.3 | 18.5 | 7.8 | 1.8 |
| Average temperature (°C) | -4.6 | -0.2 | 6.7 | 11.2 | 17.1 | 21.3 | 25.3 | 24.9 | 21.6 | 13.5 | 3.4 | -2.2 |
| Average night temperature (°C) | -9.5 | -3.7 | 1.4 | 6.5 | 12.1 | 17.1 | 22.1 | 21.8 | 17.7 | 9.2 | -0.3 | -6.0 |
| Absolute minimum temperature (°C) | -20.4 | -7.6 | -5.2 | 0.3 | 5.3 | 13.7 | 20.2 | 17.2 | 11.7 | 4.1 | -8.7 | -18.4 |
| 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) | 9.8 | 10.8 | 12.0 | 13.2 | 14.3 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 9.5 |
| 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) | 6.9 | 8.3 | 9.3 | 7.8 | 9.2 | 9.3 | 8.3 | 7.9 | 8.4 | 8.2 | 6.5 | 5.9 |
| Precipitation (mm) | 37 | 4 | 23 | 97 | 146 | 181 | 184 | 348 | 69 | 46 | 100 | 77 |
| Sunny days | 19 | 24 | 25 | 10 | 17 | 8 | 9 | 4 | 12 | 18 | 15 | 17 |
| Rainy days | 3 | 1 | 6 | 20 | 14 | 22 | 22 | 27 | 18 | 13 | 14 | 10 |
| Snow days | 9 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Irwŏn-dong is at