Average annual temperature is 15.4 °C
Absolute maximum temperature: 33.6 °C
Absolute minimum temperature: -10.3 °C
Number of sunny days: 184 days
Number of rainy days: 176 days
Number of snow days: 5 days
Look at detailed online map of Irun-myeon
* Weather data for Irun-myeon South 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) | 15.3 | 14.8 | 22.5 | 24.2 | 23.9 | 28.5 | 32.8 | 33.6 | 29.6 | 24.3 | 24.7 | 19.7 |
| Average daytime temperature (°C) | 6.6 | 10.0 | 15.3 | 17.3 | 20.7 | 25.0 | 28.3 | 30.2 | 26.8 | 21.7 | 15.0 | 9.8 |
| Average temperature (°C) | 3.3 | 6.0 | 11.3 | 14.0 | 17.6 | 21.8 | 25.3 | 27.2 | 23.9 | 17.5 | 10.7 | 6.1 |
| Average night temperature (°C) | -0.4 | 2.6 | 7.9 | 11.0 | 15.1 | 19.5 | 23.0 | 24.9 | 21.6 | 14.0 | 6.9 | 2.7 |
| Absolute minimum temperature (°C) | -10.3 | -2.5 | 0.6 | 4.6 | 9.4 | 16.9 | 20.1 | 23.7 | 16.2 | 9.1 | -1.8 | -6.2 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.5 | 8.8 | 8.1 | 7.9 | 8.3 | 7.7 | 10.0 | 8.0 | 8.8 | 8.3 | 7.1 |
| Precipitation (mm) | 64 | 58 | 72 | 159 | 231 | 356 | 377 | 290 | 237 | 18 | 53 | 86 |
| Sunny days | 24 | 18 | 18 | 14 | 14 | 11 | 6 | 4 | 9 | 24 | 23 | 19 |
| Rainy days | 6 | 10 | 13 | 16 | 17 | 19 | 25 | 27 | 21 | 7 | 7 | 8 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Irun-myeon is at