Average annual temperature is 13.5 °C
Absolute maximum temperature: 34.7 °C
Absolute minimum temperature: -15.2 °C
Number of sunny days: 198 days
Number of rainy days: 158 days
Number of snow days: 9 days
Look at detailed online map of Ŭnam
* Weather data for Ŭnam 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) | 13.7 | 12.2 | 24.7 | 27.1 | 31.8 | 34.6 | 33.8 | 34.7 | 30.1 | 22.7 | 24.1 | 18.1 |
| Average daytime temperature (°C) | 3.5 | 7.2 | 16.0 | 19.3 | 24.8 | 28.9 | 29.6 | 30.9 | 26.6 | 19.9 | 11.4 | 5.9 |
| Average temperature (°C) | -1.2 | 1.6 | 9.0 | 13.1 | 18.9 | 23.2 | 25.7 | 26.4 | 22.4 | 14.3 | 6.6 | 1.6 |
| Average night temperature (°C) | -5.5 | -2.5 | 3.5 | 7.9 | 13.8 | 18.6 | 22.6 | 22.8 | 18.8 | 9.6 | 2.0 | -2.2 |
| Absolute minimum temperature (°C) | -15.2 | -5.8 | -4.2 | 2.0 | 5.9 | 15.1 | 19.6 | 17.4 | 13.7 | 3.6 | -6.9 | -13.0 |
| 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 | 14.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.0 | 10.9 | 12.0 | 13.1 | 14.1 | 14.6 | 14.4 | 13.5 | 12.4 | 11.3 | 10.2 | 9.7 |
| Daylight minimum duration (h) | 9.0 | 10.0 | 11.0 | 12.0 | 13.0 | 14.0 | 14.0 | 13.0 | 11.0 | 10.0 | 9.0 | 9.0 |
| Sunshine mean duration (h) | 7.3 | 7.8 | 9.1 | 7.7 | 8.2 | 9.9 | 7.2 | 8.8 | 7.2 | 8.3 | 7.0 | 5.3 |
| Precipitation (mm) | 25 | 3 | 26 | 58 | 137 | 146 | 399 | 298 | 348 | 15 | 53 | 92 |
| Sunny days | 20 | 24 | 24 | 16 | 19 | 13 | 6 | 6 | 10 | 24 | 16 | 20 |
| Rainy days | 6 | 4 | 7 | 14 | 12 | 17 | 25 | 25 | 20 | 7 | 14 | 7 |
| Snow days | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Ŭnam during the most sunny months:
The largest precipitation sum in Ŭnam is at