Average annual temperature is 14.8 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 195 days
Number of rainy days: 169 days
Number of snow days: 1 day
Look at detailed online map of Irwol
* Weather data for Irwol 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) | 16.4 | 16.1 | 25.1 | 29.2 | 34.7 | 35.5 | 34.9 | 36.4 | 30.8 | 24.6 | 27.1 | 19.9 |
| Average daytime temperature (°C) | 6.4 | 9.5 | 16.7 | 19.1 | 23.1 | 27.6 | 30.3 | 30.1 | 26.2 | 21.4 | 14.3 | 8.4 |
| Average temperature (°C) | 1.4 | 4.3 | 10.8 | 14.3 | 18.5 | 23.1 | 26.5 | 26.7 | 23.1 | 15.9 | 8.9 | 3.8 |
| Average night temperature (°C) | -2.6 | -0.2 | 5.7 | 9.7 | 14.4 | 19.4 | 23.3 | 23.7 | 20.4 | 11.3 | 4.2 | 0.0 |
| Absolute minimum temperature (°C) | -13.5 | -4.6 | -1.6 | 3.5 | 8.5 | 15.4 | 19.2 | 21.0 | 14.1 | 6.2 | -4.9 | -9.8 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.9 | 7.3 | 9.2 | 8.8 | 8.4 | 9.9 | 9.0 | 9.1 | 7.3 | 8.8 | 7.9 | 7.2 |
| Precipitation (mm) | 39 | 34 | 61 | 60 | 172 | 141 | 277 | 230 | 250 | 5 | 35 | 98 |
| Sunny days | 26 | 17 | 20 | 16 | 17 | 11 | 4 | 6 | 5 | 24 | 24 | 25 |
| Rainy days | 4 | 11 | 11 | 14 | 14 | 19 | 27 | 25 | 25 | 7 | 6 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Irwol is at