Average annual temperature is 14.7 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -11.2 °C
Number of sunny days: 192 days
Number of rainy days: 171 days
Number of snow days: 2 days
Look at detailed online map of Tongsandong
* Weather data for Tongsandong 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) | 16.6 | 13.2 | 23.5 | 25.2 | 26.1 | 30.3 | 31.4 | 33.9 | 29.8 | 24.2 | 24.5 | 19.1 |
| Average daytime temperature (°C) | 6.6 | 9.6 | 16.5 | 18.2 | 21.5 | 26.0 | 27.7 | 29.7 | 26.8 | 21.1 | 14.1 | 8.9 |
| Average temperature (°C) | 1.8 | 4.2 | 10.5 | 13.6 | 17.5 | 22.0 | 24.9 | 26.7 | 23.7 | 16.6 | 9.7 | 4.8 |
| Average night temperature (°C) | -2.4 | 0.0 | 5.8 | 9.5 | 14.1 | 18.9 | 22.7 | 24.1 | 21.0 | 12.8 | 5.7 | 1.1 |
| Absolute minimum temperature (°C) | -11.2 | -4.4 | -3.0 | 3.9 | 8.6 | 16.1 | 20.5 | 21.0 | 15.2 | 7.9 | -1.7 | -6.6 |
| 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 | 10.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.4 | 14.2 | 13.4 | 12.4 | 11.3 | 10.4 | 9.9 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 13.0 | 12.0 | 11.0 | 10.0 | 10.0 | 9.0 |
| Sunshine mean duration (h) | 7.7 | 7.2 | 8.7 | 7.7 | 7.8 | 8.5 | 6.9 | 10.3 | 8.6 | 8.8 | 8.0 | 6.8 |
| Precipitation (mm) | 49 | 49 | 44 | 144 | 236 | 231 | 343 | 327 | 185 | 20 | 76 | 62 |
| Sunny days | 25 | 20 | 24 | 14 | 12 | 11 | 3 | 7 | 8 | 24 | 22 | 22 |
| Rainy days | 6 | 8 | 7 | 16 | 19 | 19 | 28 | 24 | 22 | 7 | 8 | 7 |
| Snow days | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The best time to visit Tongsandong during the most sunny months:
The largest precipitation sum in Tongsandong is at