Average annual temperature is 12.4 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -17.3 °C
Number of sunny days: 186 days
Number of rainy days: 170 days
Number of snow days: 9 days
Look at detailed online map of Janghyeon
* Weather data for Janghyeon 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) | 14.8 | 14.1 | 21.7 | 23.5 | 31.0 | 31.9 | 34.4 | 34.7 | 29.5 | 23.4 | 24.8 | 17.2 |
| Average daytime temperature (°C) | 2.7 | 5.8 | 13.5 | 16.9 | 22.2 | 25.7 | 29.7 | 28.7 | 23.9 | 18.8 | 11.6 | 4.9 |
| Average temperature (°C) | -2.0 | 1.0 | 8.1 | 11.7 | 17.3 | 21.4 | 25.6 | 24.7 | 20.2 | 13.1 | 6.2 | 0.3 |
| Average night temperature (°C) | -5.9 | -2.8 | 3.1 | 7.2 | 12.9 | 17.5 | 22.3 | 21.7 | 17.0 | 8.4 | 1.8 | -3.2 |
| Absolute minimum temperature (°C) | -17.3 | -7.6 | -4.4 | 1.8 | 5.0 | 13.9 | 17.3 | 13.6 | 8.8 | 4.0 | -7.5 | -14.3 |
| 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) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.4 | 7.4 | 8.6 | 8.6 | 9.1 | 10.4 | 8.3 | 8.3 | 7.3 | 8.2 | 7.3 | 6.3 |
| Precipitation (mm) | 90 | 44 | 23 | 74 | 133 | 186 | 254 | 446 | 264 | 27 | 74 | 174 |
| Sunny days | 23 | 18 | 20 | 13 | 15 | 10 | 10 | 7 | 8 | 18 | 22 | 22 |
| Rainy days | 3 | 6 | 11 | 17 | 16 | 20 | 21 | 24 | 22 | 13 | 8 | 9 |
| Snow days | 5 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The best time to visit Janghyeon during the most sunny months:
The largest precipitation sum in Janghyeon is at