Average annual temperature is 12.0 °C
Absolute maximum temperature: 32.9 °C
Absolute minimum temperature: -18.6 °C
Number of sunny days: 188 days
Number of rainy days: 167 days
Number of snow days: 10 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) | 11.7 | 10.7 | 23.8 | 24.6 | 30.7 | 31.9 | 32.5 | 32.9 | 29.4 | 21.4 | 22.7 | 16.5 |
| Average daytime temperature (°C) | 1.1 | 6.1 | 14.7 | 17.6 | 23.3 | 26.7 | 28.7 | 29.4 | 25.2 | 18.0 | 9.6 | 3.8 |
| Average temperature (°C) | -3.7 | 0.2 | 7.5 | 11.5 | 17.3 | 21.6 | 24.7 | 25.3 | 21.2 | 12.9 | 4.7 | -0.4 |
| Average night temperature (°C) | -8.3 | -4.4 | 0.9 | 5.9 | 11.7 | 17.0 | 21.6 | 22.0 | 17.9 | 8.5 | 0.1 | -4.2 |
| Absolute minimum temperature (°C) | -18.6 | -8.4 | -6.1 | -1.3 | 2.8 | 12.2 | 18.7 | 17.1 | 10.8 | 2.6 | -8.6 | -14.6 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 12.4 | 11.2 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.0 | 7.8 | 9.2 | 7.7 | 8.7 | 9.9 | 7.6 | 8.9 | 7.2 | 7.9 | 7.4 | 5.9 |
| Precipitation (mm) | 29 | 4 | 22 | 68 | 130 | 197 | 535 | 398 | 211 | 19 | 73 | 85 |
| Sunny days | 18 | 23 | 21 | 14 | 23 | 10 | 5 | 7 | 12 | 22 | 15 | 18 |
| Rainy days | 8 | 5 | 10 | 16 | 8 | 20 | 26 | 24 | 18 | 9 | 15 | 8 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The best time to visit Jangseon during the most sunny months:
The largest precipitation sum in Jangseon is at