Average annual temperature is 13.2 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -15.1 °C
Number of sunny days: 183 days
Number of rainy days: 169 days
Number of snow days: 13 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) | 13.5 | 10.7 | 24.3 | 26.2 | 27.5 | 33.5 | 32.3 | 34.2 | 30.1 | 22.3 | 22.5 | 16.8 |
| Average daytime temperature (°C) | 3.2 | 6.4 | 14.4 | 17.4 | 22.8 | 26.4 | 28.3 | 29.7 | 25.9 | 19.4 | 10.9 | 5.3 |
| Average temperature (°C) | -0.9 | 1.4 | 8.4 | 12.2 | 17.7 | 21.6 | 24.9 | 25.9 | 22.2 | 15.1 | 7.1 | 2.0 |
| Average night temperature (°C) | -4.7 | -2.0 | 3.8 | 8.0 | 13.8 | 18.0 | 22.4 | 22.8 | 19.2 | 11.2 | 3.2 | -1.2 |
| Absolute minimum temperature (°C) | -15.1 | -6.0 | -2.1 | 2.6 | 7.9 | 14.6 | 19.3 | 18.5 | 14.6 | 6.5 | -5.3 | -13.5 |
| 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 | 7.9 | 9.3 | 7.8 | 8.4 | 10.0 | 7.2 | 9.1 | 7.3 | 8.6 | 7.0 | 4.9 |
| Precipitation (mm) | 25 | 3 | 27 | 88 | 186 | 217 | 553 | 223 | 329 | 13 | 80 | 112 |
| Sunny days | 19 | 24 | 24 | 18 | 15 | 12 | 2 | 5 | 10 | 23 | 16 | 15 |
| Rainy days | 6 | 4 | 7 | 12 | 16 | 18 | 29 | 26 | 20 | 8 | 13 | 10 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The best time to visit Jangseon during the most sunny months:
The largest precipitation sum in Jangseon is at