Average annual temperature is 14.7 °C
Absolute maximum temperature: 37.4 °C
Absolute minimum temperature: -13.8 °C
Number of sunny days: 201 days
Number of rainy days: 161 days
Number of snow days: 3 days
Look at detailed online map of Jangtaesil
* Weather data for Jangtaesil 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) | 16.7 | 17.2 | 24.9 | 28.2 | 34.8 | 36.4 | 35.2 | 37.4 | 30.8 | 23.3 | 27.4 | 18.7 |
| Average daytime temperature (°C) | 5.8 | 9.9 | 18.5 | 20.3 | 24.6 | 30.3 | 30.3 | 31.7 | 27.3 | 21.3 | 13.7 | 7.6 |
| Average temperature (°C) | 0.4 | 3.8 | 11.2 | 14.1 | 18.9 | 24.1 | 26.2 | 27.3 | 22.9 | 15.4 | 8.1 | 2.8 |
| Average night temperature (°C) | -4.0 | -1.4 | 4.8 | 8.0 | 13.7 | 19.2 | 22.9 | 23.6 | 19.0 | 10.4 | 3.2 | -1.3 |
| Absolute minimum temperature (°C) | -13.8 | -5.4 | -3.5 | 1.6 | 5.7 | 15.9 | 18.2 | 20.6 | 13.6 | 4.6 | -5.3 | -10.6 |
| 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) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 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) | 7.7 | 7.4 | 9.0 | 8.3 | 8.2 | 9.7 | 7.4 | 9.4 | 7.6 | 8.8 | 7.8 | 6.6 |
| Precipitation (mm) | 32 | 16 | 42 | 63 | 122 | 156 | 328 | 268 | 173 | 5 | 50 | 66 |
| Sunny days | 25 | 19 | 21 | 15 | 19 | 13 | 5 | 8 | 9 | 21 | 21 | 25 |
| Rainy days | 4 | 8 | 10 | 15 | 12 | 17 | 26 | 23 | 21 | 10 | 9 | 6 |
| Snow days | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Jangtaesil is at