Average annual temperature is 14.8 °C
Absolute maximum temperature: 36.3 °C
Absolute minimum temperature: -12.2 °C
Number of sunny days: 208 days
Number of rainy days: 155 days
Number of snow days: 2 days
Look at detailed online map of Jangma-myeon
* Weather data for Jangma-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) | 17.5 | 15.8 | 24.8 | 28.9 | 32.0 | 36.1 | 34.5 | 36.3 | 30.6 | 24.2 | 26.7 | 19.6 |
| Average daytime temperature (°C) | 7.1 | 10.5 | 18.4 | 20.2 | 24.0 | 29.5 | 30.0 | 31.4 | 27.3 | 21.8 | 14.7 | 9.0 |
| Average temperature (°C) | 1.2 | 4.3 | 11.2 | 14.0 | 18.6 | 23.6 | 26.0 | 27.2 | 23.2 | 15.7 | 8.8 | 3.8 |
| Average night temperature (°C) | -3.2 | -0.5 | 5.1 | 8.6 | 14.1 | 19.3 | 23.1 | 24.0 | 19.7 | 10.5 | 4.0 | -0.4 |
| Absolute minimum temperature (°C) | -12.2 | -4.7 | -3.7 | 2.6 | 7.4 | 15.8 | 19.3 | 22.0 | 15.4 | 5.3 | -3.9 | -8.1 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 14.3 | 13.5 | 12.4 | 11.3 | 10.3 | 9.8 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.8 | 7.6 | 8.8 | 8.0 | 7.9 | 9.1 | 7.2 | 9.5 | 7.5 | 8.6 | 8.1 | 6.9 |
| Precipitation (mm) | 36 | 27 | 67 | 85 | 164 | 176 | 298 | 375 | 259 | 9 | 58 | 78 |
| Sunny days | 26 | 18 | 21 | 16 | 18 | 12 | 6 | 7 | 12 | 25 | 23 | 24 |
| Rainy days | 4 | 10 | 10 | 14 | 13 | 18 | 25 | 24 | 18 | 6 | 7 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Jangma-myeon is at