Average annual temperature is 13.8 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -15.3 °C
Number of sunny days: 159 days
Number of rainy days: 188 days
Number of snow days: 18 days
Look at detailed online map of Dongsan
* Weather data for Dongsan 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) | 15.2 | 12.2 | 22.5 | 24.4 | 29.8 | 33.2 | 32.1 | 33.7 | 31.0 | 22.3 | 24.1 | 18.0 |
| Average daytime temperature (°C) | 3.8 | 7.0 | 15.1 | 18.0 | 22.6 | 26.8 | 28.8 | 30.0 | 26.5 | 19.7 | 12.1 | 6.6 |
| Average temperature (°C) | -0.1 | 2.1 | 9.0 | 12.7 | 17.9 | 21.8 | 25.3 | 26.1 | 22.6 | 15.4 | 8.2 | 3.5 |
| Average night temperature (°C) | -4.4 | -1.2 | 4.8 | 8.5 | 14.1 | 18.3 | 22.9 | 23.0 | 19.5 | 11.9 | 4.5 | 0.5 |
| Absolute minimum temperature (°C) | -15.3 | -5.6 | -2.2 | 2.6 | 6.8 | 13.7 | 19.8 | 18.1 | 14.7 | 7.8 | -4.0 | -11.4 |
| 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) | 6.9 | 7.3 | 8.8 | 7.4 | 7.7 | 8.8 | 6.3 | 9.5 | 7.5 | 8.5 | 6.6 | 5.1 |
| Precipitation (mm) | 42 | 14 | 39 | 96 | 143 | 163 | 469 | 258 | 185 | 18 | 95 | 114 |
| Sunny days | 20 | 20 | 24 | 12 | 12 | 13 | 1 | 2 | 10 | 21 | 13 | 11 |
| Rainy days | 6 | 6 | 7 | 18 | 19 | 17 | 30 | 29 | 20 | 10 | 15 | 11 |
| Snow days | 5 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 |
The best time to visit Dongsan during the most sunny months:
The largest precipitation sum in Dongsan is at