Average annual temperature is 12.0 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -17.8 °C
Number of sunny days: 190 days
Number of rainy days: 165 days
Number of snow days: 10 days
Look at detailed online map of Jangsan
* Weather data for Jangsan 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) | 11.1 | 9.3 | 22.1 | 25.1 | 28.3 | 34.4 | 32.6 | 33.9 | 30.5 | 22.5 | 22.3 | 15.2 |
| Average daytime temperature (°C) | 1.4 | 5.7 | 13.7 | 17.3 | 22.7 | 26.4 | 28.8 | 29.1 | 26.2 | 19.0 | 9.1 | 3.6 |
| Average temperature (°C) | -3.4 | -0.1 | 7.0 | 11.6 | 17.1 | 21.6 | 25.1 | 25.4 | 21.8 | 13.6 | 4.4 | -0.6 |
| Average night temperature (°C) | -7.7 | -4.2 | 1.4 | 6.9 | 12.1 | 17.6 | 22.2 | 22.0 | 18.2 | 9.1 | 0.2 | -4.5 |
| Absolute minimum temperature (°C) | -17.8 | -7.4 | -4.7 | 0.3 | 4.9 | 13.5 | 18.9 | 17.3 | 11.8 | 3.5 | -7.7 | -15.1 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.1 | 8.6 | 9.0 | 7.1 | 9.3 | 9.2 | 7.9 | 8.3 | 7.9 | 8.3 | 6.8 | 6.3 |
| Precipitation (mm) | 41 | 2 | 24 | 109 | 199 | 178 | 305 | 300 | 110 | 24 | 96 | 73 |
| Sunny days | 19 | 25 | 25 | 13 | 22 | 8 | 6 | 8 | 10 | 18 | 16 | 20 |
| Rainy days | 4 | 3 | 6 | 17 | 9 | 22 | 25 | 23 | 20 | 13 | 13 | 10 |
| Snow days | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The largest precipitation sum in Jangsan is at