Average annual temperature is 14.0 °C
Absolute maximum temperature: 36.2 °C
Absolute minimum temperature: -13.7 °C
Number of sunny days: 205 days
Number of rainy days: 150 days
Number of snow days: 10 days
Look at detailed online map of Dalsan
* Weather data for Dalsan 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) | 14.4 | 11.7 | 26.0 | 27.6 | 29.8 | 36.2 | 33.2 | 35.1 | 30.9 | 23.4 | 24.4 | 18.5 |
| Average daytime temperature (°C) | 4.7 | 7.9 | 16.2 | 19.3 | 24.2 | 28.5 | 29.3 | 30.8 | 26.9 | 20.4 | 12.5 | 6.9 |
| Average temperature (°C) | -0.3 | 1.9 | 9.1 | 13.4 | 18.5 | 23.0 | 25.7 | 26.8 | 22.8 | 15.1 | 8.0 | 2.9 |
| Average night temperature (°C) | -4.8 | -2.7 | 3.3 | 8.2 | 13.9 | 18.9 | 23.1 | 23.5 | 19.6 | 10.7 | 3.5 | -0.7 |
| Absolute minimum temperature (°C) | -13.7 | -5.5 | -4.4 | 1.4 | 5.7 | 15.6 | 20.7 | 18.4 | 13.7 | 6.3 | -4.7 | -11.2 |
| 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 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.5 | 9.1 | 7.6 | 8.2 | 9.8 | 7.0 | 9.2 | 7.2 | 8.4 | 7.0 | 5.5 |
| Precipitation (mm) | 31 | 3 | 27 | 74 | 143 | 229 | 564 | 314 | 258 | 11 | 86 | 117 |
| Sunny days | 19 | 24 | 24 | 16 | 19 | 14 | 5 | 8 | 13 | 26 | 19 | 18 |
| Rainy days | 9 | 3 | 7 | 14 | 12 | 16 | 26 | 23 | 17 | 5 | 10 | 8 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 5 |
The best time to visit Dalsan during the most sunny months:
The largest precipitation sum in Dalsan is at