Average annual temperature is 12.0 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -17.4 °C
Number of sunny days: 181 days
Number of rainy days: 180 days
Number of snow days: 4 days
Look at detailed online map of Jangjeon
* Weather data for Jangjeon 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) | 14.3 | 12.7 | 21.2 | 24.8 | 30.8 | 31.5 | 33.0 | 33.9 | 28.2 | 21.0 | 23.6 | 16.2 |
| Average daytime temperature (°C) | 2.8 | 6.5 | 14.6 | 16.6 | 20.9 | 26.1 | 27.7 | 28.5 | 24.2 | 18.3 | 10.7 | 4.9 |
| Average temperature (°C) | -1.9 | 1.2 | 8.4 | 11.1 | 15.8 | 20.7 | 23.7 | 24.3 | 20.5 | 13.4 | 5.9 | 0.8 |
| Average night temperature (°C) | -5.5 | -3.0 | 3.4 | 6.5 | 11.6 | 16.7 | 20.8 | 21.2 | 17.4 | 9.3 | 1.6 | -2.4 |
| Absolute minimum temperature (°C) | -17.4 | -8.7 | -4.4 | 0.0 | 4.7 | 12.6 | 16.0 | 19.4 | 12.7 | 3.8 | -8.6 | -13.6 |
| 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 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.5 | 9.1 | 8.4 | 8.3 | 9.5 | 7.6 | 9.2 | 7.6 | 8.8 | 7.8 | 6.8 |
| Precipitation (mm) | 39 | 23 | 57 | 80 | 167 | 195 | 395 | 331 | 232 | 10 | 56 | 99 |
| Sunny days | 25 | 20 | 21 | 15 | 15 | 9 | 3 | 4 | 6 | 22 | 20 | 21 |
| Rainy days | 4 | 7 | 10 | 15 | 16 | 21 | 28 | 27 | 24 | 9 | 10 | 9 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Jangjeon is at