Average annual temperature is 9.9 °C
Absolute maximum temperature: 30.6 °C
Absolute minimum temperature: -21.4 °C
Number of sunny days: 165 days
Number of rainy days: 174 days
Number of snow days: 26 days
Look at detailed online map of Ihyŏn
* Weather data for Ihyŏn 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) | 10.8 | 10.7 | 19.4 | 20.5 | 26.2 | 28.3 | 30.6 | 30.6 | 26.9 | 18.2 | 20.1 | 13.0 |
| Average daytime temperature (°C) | -1.0 | 4.0 | 11.6 | 14.0 | 19.1 | 23.4 | 26.4 | 27.0 | 23.0 | 15.4 | 7.3 | 1.1 |
| Average temperature (°C) | -5.0 | -1.2 | 5.9 | 8.7 | 14.6 | 18.9 | 22.5 | 23.0 | 18.9 | 11.0 | 2.9 | -2.4 |
| Average night temperature (°C) | -8.9 | -4.8 | 0.9 | 3.8 | 10.2 | 15.0 | 19.6 | 20.1 | 15.7 | 7.4 | -1.0 | -5.5 |
| Absolute minimum temperature (°C) | -21.4 | -10.4 | -8.6 | -3.9 | 1.8 | 10.7 | 16.3 | 14.7 | 10.5 | 0.6 | -11.8 | -18.0 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.0 | 7.8 | 9.4 | 8.3 | 9.1 | 10.1 | 7.6 | 9.0 | 7.6 | 8.5 | 7.5 | 6.0 |
| Precipitation (mm) | 35 | 6 | 30 | 99 | 127 | 200 | 465 | 277 | 220 | 25 | 70 | 86 |
| Sunny days | 18 | 20 | 21 | 12 | 16 | 9 | 5 | 6 | 7 | 20 | 16 | 15 |
| Rainy days | 3 | 1 | 9 | 17 | 15 | 21 | 26 | 25 | 23 | 11 | 13 | 10 |
| Snow days | 10 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The largest precipitation sum in Ihyŏn is at