Average annual temperature is 12.2 °C
Absolute maximum temperature: 33.2 °C
Absolute minimum temperature: -18.4 °C
Number of sunny days: 181 days
Number of rainy days: 173 days
Number of snow days: 11 days
Look at detailed online map of Jangjeolli
* Weather data for Jangjeolli 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) | 12.1 | 9.4 | 23.1 | 26.4 | 27.8 | 33.0 | 32.8 | 33.2 | 30.3 | 21.7 | 22.7 | 15.6 |
| Average daytime temperature (°C) | 1.7 | 5.5 | 13.6 | 17.4 | 22.5 | 25.4 | 28.4 | 29.0 | 25.7 | 18.8 | 9.6 | 4.1 |
| Average temperature (°C) | -3.0 | 0.2 | 7.1 | 11.8 | 17.0 | 21.0 | 24.9 | 25.3 | 21.9 | 14.0 | 5.0 | 0.1 |
| Average night temperature (°C) | -7.3 | -3.8 | 1.9 | 7.3 | 12.6 | 17.5 | 22.2 | 22.3 | 18.6 | 9.8 | 0.9 | -3.6 |
| Absolute minimum temperature (°C) | -18.4 | -7.0 | -3.8 | 0.7 | 5.5 | 14.2 | 20.1 | 17.3 | 12.6 | 4.7 | -7.7 | -14.7 |
| 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 | 13.2 | 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 | 8.5 | 9.4 | 7.5 | 8.9 | 9.3 | 7.7 | 8.7 | 7.4 | 8.2 | 7.1 | 6.2 |
| Precipitation (mm) | 39 | 2 | 24 | 96 | 210 | 207 | 399 | 313 | 159 | 54 | 140 | 77 |
| Sunny days | 19 | 25 | 23 | 14 | 21 | 9 | 4 | 5 | 8 | 20 | 16 | 17 |
| Rainy days | 6 | 3 | 8 | 16 | 10 | 21 | 27 | 26 | 22 | 11 | 13 | 10 |
| Snow days | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 |
The largest precipitation sum in Jangjeolli is at