Average annual temperature is 13.3 °C
Absolute maximum temperature: 35.3 °C
Absolute minimum temperature: -14.1 °C
Number of sunny days: 190 days
Number of rainy days: 164 days
Number of snow days: 11 days
Look at detailed online map of Iryu
* Weather data for Iryu 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) | 13.8 | 11.1 | 24.4 | 25.3 | 27.6 | 32.5 | 31.9 | 35.3 | 30.5 | 22.6 | 22.2 | 17.0 |
| Average daytime temperature (°C) | 3.7 | 6.8 | 14.2 | 17.6 | 22.4 | 25.8 | 28.1 | 30.1 | 26.2 | 19.5 | 11.6 | 6.2 |
| Average temperature (°C) | -0.7 | 1.5 | 8.2 | 12.4 | 17.5 | 21.4 | 25.0 | 26.1 | 22.4 | 14.7 | 7.5 | 2.5 |
| Average night temperature (°C) | -4.9 | -2.5 | 3.5 | 8.0 | 13.6 | 18.1 | 22.6 | 23.0 | 19.3 | 10.5 | 3.4 | -0.8 |
| Absolute minimum temperature (°C) | -14.1 | -5.6 | -3.8 | 1.4 | 6.2 | 14.5 | 20.1 | 18.5 | 14.2 | 4.0 | -4.5 | -11.2 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.2 | 7.9 | 9.3 | 7.9 | 8.4 | 10.1 | 7.2 | 9.2 | 7.4 | 8.4 | 6.9 | 5.3 |
| Precipitation (mm) | 38 | 2 | 29 | 82 | 165 | 277 | 640 | 233 | 284 | 15 | 90 | 133 |
| Sunny days | 19 | 25 | 24 | 16 | 16 | 14 | 3 | 8 | 10 | 24 | 15 | 16 |
| Rainy days | 7 | 3 | 7 | 14 | 15 | 16 | 28 | 23 | 20 | 7 | 14 | 10 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The best time to visit Iryu during the most sunny months:
The largest precipitation sum in Iryu is at