Average annual temperature is 14.3 °C
Absolute maximum temperature: 36.5 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 171 days
Number of rainy days: 184 days
Number of snow days: 10 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) | 16.2 | 12.7 | 25.4 | 26.9 | 33.2 | 36.5 | 32.8 | 34.0 | 31.2 | 23.2 | 25.1 | 18.8 |
| Average daytime temperature (°C) | 5.1 | 8.0 | 17.2 | 20.2 | 25.0 | 29.1 | 29.6 | 30.7 | 27.1 | 20.4 | 12.9 | 7.4 |
| Average temperature (°C) | 0.3 | 2.2 | 9.5 | 13.9 | 19.1 | 23.2 | 26.0 | 26.7 | 22.9 | 15.3 | 8.4 | 3.8 |
| Average night temperature (°C) | -4.1 | -2.3 | 3.7 | 8.5 | 14.2 | 19.0 | 23.3 | 23.4 | 19.3 | 10.7 | 3.9 | 0.3 |
| Absolute minimum temperature (°C) | -13.5 | -5.6 | -3.4 | 1.3 | 5.6 | 14.4 | 20.6 | 17.3 | 13.9 | 5.8 | -4.0 | -9.8 |
| 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) | 7.3 | 7.4 | 8.9 | 7.6 | 8.2 | 9.6 | 7.1 | 9.4 | 7.7 | 8.7 | 6.8 | 5.5 |
| Precipitation (mm) | 39 | 10 | 30 | 74 | 148 | 170 | 538 | 303 | 238 | 16 | 96 | 128 |
| Sunny days | 19 | 22 | 24 | 12 | 13 | 14 | 1 | 4 | 11 | 23 | 16 | 12 |
| Rainy days | 10 | 6 | 7 | 18 | 18 | 16 | 30 | 27 | 19 | 8 | 13 | 12 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The largest precipitation sum in Jangjeon is at