Average annual temperature is 11.9 °C
Absolute maximum temperature: 34.4 °C
Absolute minimum temperature: -21.0 °C
Number of sunny days: 189 days
Number of rainy days: 165 days
Number of snow days: 11 days
Look at detailed online map of Janganmaeul
* Weather data for Janganmaeul 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) | 11.0 | 11.3 | 21.9 | 25.5 | 28.9 | 34.4 | 33.0 | 33.1 | 30.0 | 21.6 | 22.5 | 14.7 |
| Average daytime temperature (°C) | 1.4 | 6.3 | 14.4 | 17.3 | 22.8 | 27.0 | 29.3 | 29.2 | 25.7 | 18.1 | 9.0 | 3.4 |
| Average temperature (°C) | -3.4 | 0.1 | 7.3 | 11.2 | 17.0 | 21.7 | 25.2 | 25.3 | 21.3 | 12.7 | 4.3 | -0.9 |
| Average night temperature (°C) | -8.2 | -4.3 | 0.7 | 5.6 | 11.1 | 16.9 | 21.8 | 21.9 | 17.8 | 8.1 | 0.0 | -4.5 |
| Absolute minimum temperature (°C) | -21.0 | -7.5 | -5.9 | -1.4 | 2.0 | 12.4 | 18.2 | 16.3 | 11.8 | 2.4 | -8.5 | -14.9 |
| 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 | 8.2 | 9.2 | 7.3 | 9.2 | 9.5 | 7.9 | 8.0 | 7.2 | 7.8 | 6.7 | 5.9 |
| Precipitation (mm) | 34 | 1 | 22 | 99 | 127 | 224 | 397 | 351 | 123 | 25 | 80 | 80 |
| Sunny days | 19 | 24 | 24 | 15 | 20 | 11 | 5 | 7 | 8 | 19 | 18 | 19 |
| Rainy days | 5 | 2 | 7 | 15 | 11 | 19 | 26 | 24 | 22 | 12 | 12 | 10 |
| Snow days | 7 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Janganmaeul is at