Average annual temperature is 13.6 °C
Absolute maximum temperature: 34.6 °C
Absolute minimum temperature: -16.2 °C
Number of sunny days: 183 days
Number of rainy days: 175 days
Number of snow days: 7 days
Look at detailed online map of Jangcheon
* Weather data for Jangcheon 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) | 14.5 | 12.0 | 24.4 | 26.0 | 31.6 | 34.0 | 33.3 | 34.6 | 30.4 | 22.6 | 24.5 | 18.3 |
| Average daytime temperature (°C) | 3.6 | 7.2 | 16.3 | 19.2 | 24.0 | 28.7 | 29.6 | 30.7 | 26.4 | 19.5 | 11.4 | 5.7 |
| Average temperature (°C) | -1.1 | 1.7 | 9.3 | 13.1 | 18.4 | 23.1 | 25.6 | 26.4 | 22.5 | 14.4 | 6.8 | 1.9 |
| Average night temperature (°C) | -5.4 | -2.4 | 3.3 | 7.8 | 13.2 | 18.5 | 22.5 | 23.1 | 19.2 | 9.7 | 2.3 | -1.8 |
| Absolute minimum temperature (°C) | -16.2 | -6.9 | -3.9 | 1.4 | 4.3 | 14.1 | 18.7 | 18.6 | 14.5 | 5.5 | -6.9 | -12.7 |
| 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 | 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 | 14.4 | 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) | 7.1 | 7.3 | 9.2 | 7.8 | 8.2 | 9.9 | 7.2 | 9.3 | 7.4 | 8.8 | 7.3 | 5.8 |
| Precipitation (mm) | 42 | 8 | 28 | 57 | 117 | 189 | 522 | 368 | 256 | 15 | 55 | 94 |
| Sunny days | 18 | 23 | 22 | 14 | 18 | 12 | 4 | 3 | 9 | 23 | 18 | 19 |
| Rainy days | 10 | 3 | 9 | 16 | 13 | 18 | 27 | 28 | 21 | 8 | 12 | 10 |
| Snow days | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Jangcheon is at