Average annual temperature is 12.2 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -17.5 °C
Number of sunny days: 189 days
Number of rainy days: 168 days
Number of snow days: 8 days
Look at detailed online map of Jangnam-myeon
* Weather data for Jangnam-myeon 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) | 11.9 | 10.0 | 22.7 | 25.5 | 29.0 | 34.9 | 33.2 | 34.3 | 31.3 | 22.7 | 22.9 | 15.2 |
| Average daytime temperature (°C) | 1.9 | 6.3 | 14.4 | 17.9 | 23.5 | 27.0 | 29.4 | 29.6 | 26.8 | 19.4 | 9.4 | 3.9 |
| Average temperature (°C) | -3.2 | 0.1 | 7.2 | 11.7 | 17.5 | 21.9 | 25.6 | 25.7 | 22.0 | 13.6 | 4.6 | -0.6 |
| Average night temperature (°C) | -7.8 | -4.1 | 1.1 | 6.3 | 12.0 | 17.5 | 22.6 | 22.2 | 18.2 | 8.7 | 0.2 | -4.6 |
| Absolute minimum temperature (°C) | -17.5 | -6.8 | -4.9 | -0.6 | 3.4 | 13.4 | 18.7 | 16.4 | 11.4 | 3.3 | -7.4 | -15.0 |
| 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 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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 | 8.7 | 9.3 | 7.2 | 9.4 | 9.5 | 8.0 | 8.1 | 7.8 | 8.4 | 6.7 | 6.2 |
| Precipitation (mm) | 39 | 2 | 13 | 105 | 147 | 157 | 286 | 313 | 110 | 24 | 89 | 73 |
| Sunny days | 21 | 25 | 23 | 11 | 19 | 8 | 7 | 6 | 11 | 21 | 16 | 21 |
| Rainy days | 4 | 3 | 8 | 19 | 12 | 22 | 24 | 25 | 19 | 10 | 13 | 9 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 |
The largest precipitation sum in Jangnam-myeon is at