Average annual temperature is 12.7 °C
Absolute maximum temperature: 35.1 °C
Absolute minimum temperature: -22.7 °C
Number of sunny days: 178 days
Number of rainy days: 172 days
Number of snow days: 15 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) | 12.2 | 10.3 | 22.8 | 26.3 | 29.5 | 35.1 | 33.3 | 33.7 | 31.2 | 21.8 | 23.0 | 15.5 |
| Average daytime temperature (°C) | 1.6 | 6.5 | 14.8 | 18.0 | 23.6 | 27.1 | 29.3 | 29.7 | 26.3 | 18.8 | 9.6 | 4.1 |
| Average temperature (°C) | -3.5 | 0.9 | 8.1 | 12.3 | 18.0 | 22.3 | 25.7 | 26.0 | 22.3 | 14.0 | 4.9 | 0.1 |
| Average night temperature (°C) | -8.5 | -3.5 | 2.0 | 7.6 | 13.3 | 18.2 | 22.8 | 22.9 | 18.9 | 9.8 | 0.7 | -3.7 |
| Absolute minimum temperature (°C) | -22.7 | -7.0 | -4.3 | 0.3 | 5.4 | 13.7 | 19.4 | 17.2 | 11.7 | 3.5 | -7.6 | -14.7 |
| 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) | 7.2 | 8.2 | 9.0 | 7.2 | 9.0 | 9.0 | 7.5 | 8.0 | 7.4 | 8.0 | 6.9 | 6.0 |
| Precipitation (mm) | 44 | 1 | 24 | 102 | 145 | 227 | 455 | 334 | 134 | 26 | 109 | 74 |
| Sunny days | 18 | 25 | 22 | 13 | 20 | 8 | 6 | 6 | 10 | 17 | 16 | 17 |
| Rainy days | 4 | 2 | 9 | 17 | 11 | 22 | 25 | 25 | 20 | 14 | 12 | 11 |
| Snow days | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Janghyeon is at