Average annual temperature is 13.0 °C
Absolute maximum temperature: 33.3 °C
Absolute minimum temperature: -16.2 °C
Number of sunny days: 163 days
Number of rainy days: 186 days
Number of snow days: 16 days
Look at detailed online map of Unamsan
* Weather data for Unamsan 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) | 15.0 | 11.3 | 23.4 | 25.5 | 29.7 | 32.9 | 32.0 | 33.3 | 29.9 | 21.5 | 23.0 | 17.3 |
| Average daytime temperature (°C) | 3.0 | 6.4 | 15.1 | 17.8 | 22.6 | 26.9 | 28.3 | 29.6 | 25.8 | 18.7 | 10.7 | 5.1 |
| Average temperature (°C) | -1.1 | 1.5 | 8.9 | 12.1 | 17.5 | 21.6 | 24.7 | 25.5 | 21.9 | 14.5 | 6.6 | 1.9 |
| Average night temperature (°C) | -4.8 | -1.9 | 4.0 | 7.5 | 13.6 | 17.7 | 22.1 | 22.5 | 18.9 | 10.9 | 2.6 | -1.5 |
| Absolute minimum temperature (°C) | -16.2 | -7.3 | -3.7 | 0.3 | 6.7 | 14.1 | 19.1 | 18.2 | 12.8 | 6.0 | -7.5 | -13.8 |
| 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) | 7.1 | 7.4 | 9.1 | 7.6 | 8.4 | 9.7 | 7.1 | 9.3 | 7.3 | 8.8 | 7.1 | 5.8 |
| Precipitation (mm) | 41 | 10 | 34 | 85 | 188 | 201 | 638 | 370 | 258 | 21 | 84 | 127 |
| Sunny days | 17 | 19 | 21 | 14 | 14 | 10 | 1 | 4 | 8 | 23 | 17 | 15 |
| Rainy days | 5 | 7 | 10 | 16 | 17 | 20 | 30 | 27 | 22 | 8 | 13 | 11 |
| Snow days | 9 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 5 |
The largest precipitation sum in Unamsan is at