Average annual temperature is 13.4 °C
Absolute maximum temperature: 36.9 °C
Absolute minimum temperature: -14.2 °C
Number of sunny days: 203 days
Number of rainy days: 154 days
Number of snow days: 8 days
Look at detailed online map of Jangseon
* Weather data for Jangseon 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) | 14.0 | 11.7 | 26.7 | 28.2 | 30.2 | 36.9 | 32.8 | 34.9 | 30.5 | 22.8 | 23.9 | 17.8 |
| Average daytime temperature (°C) | 4.3 | 7.6 | 16.3 | 19.4 | 24.4 | 29.1 | 29.0 | 30.6 | 26.5 | 19.8 | 11.8 | 6.2 |
| Average temperature (°C) | -1.0 | 1.5 | 8.8 | 13.0 | 18.3 | 23.0 | 25.2 | 26.3 | 22.4 | 14.3 | 7.0 | 1.9 |
| Average night temperature (°C) | -5.4 | -3.2 | 2.7 | 7.5 | 13.3 | 18.4 | 22.5 | 22.8 | 18.9 | 9.8 | 2.5 | -1.8 |
| Absolute minimum temperature (°C) | -14.2 | -6.4 | -5.0 | 0.7 | 5.5 | 14.6 | 19.2 | 17.8 | 12.8 | 4.6 | -5.7 | -13.4 |
| 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) | 7.2 | 7.6 | 9.2 | 7.4 | 8.1 | 9.8 | 6.9 | 9.0 | 7.2 | 8.3 | 7.0 | 5.3 |
| Precipitation (mm) | 29 | 3 | 31 | 82 | 146 | 158 | 545 | 304 | 298 | 8 | 84 | 115 |
| Sunny days | 19 | 26 | 24 | 15 | 18 | 14 | 3 | 9 | 13 | 26 | 17 | 19 |
| Rainy days | 8 | 2 | 7 | 15 | 13 | 16 | 28 | 22 | 17 | 5 | 13 | 8 |
| Snow days | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Jangseon during the most sunny months:
The largest precipitation sum in Jangseon is at