Average annual temperature is 13.2 °C
Absolute maximum temperature: 34.8 °C
Absolute minimum temperature: -16.3 °C
Number of sunny days: 178 days
Number of rainy days: 180 days
Number of snow days: 7 days
Look at detailed online map of Namsan
* Weather data for Namsan 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) | 14.6 | 13.2 | 21.9 | 25.8 | 31.3 | 32.3 | 33.1 | 34.8 | 29.2 | 21.5 | 23.8 | 16.9 |
| Average daytime temperature (°C) | 4.1 | 7.6 | 15.5 | 17.5 | 21.8 | 26.9 | 28.4 | 29.5 | 25.4 | 19.2 | 11.6 | 6.0 |
| Average temperature (°C) | -0.4 | 2.6 | 9.5 | 12.2 | 17.0 | 21.6 | 24.6 | 25.4 | 21.6 | 14.7 | 7.1 | 2.1 |
| Average night temperature (°C) | -4.1 | -1.2 | 4.8 | 7.6 | 13.0 | 17.8 | 22.0 | 22.5 | 18.7 | 11.0 | 3.1 | -1.0 |
| Absolute minimum temperature (°C) | -16.3 | -7.5 | -3.5 | 0.8 | 6.0 | 13.7 | 17.0 | 20.4 | 14.6 | 5.0 | -7.5 | -12.5 |
| 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) | 7.7 | 7.5 | 9.0 | 8.3 | 8.2 | 9.4 | 7.4 | 9.3 | 7.5 | 8.8 | 7.8 | 6.9 |
| Precipitation (mm) | 41 | 26 | 62 | 91 | 171 | 182 | 413 | 342 | 256 | 11 | 56 | 95 |
| Sunny days | 24 | 18 | 21 | 15 | 14 | 11 | 2 | 3 | 7 | 22 | 21 | 20 |
| Rainy days | 4 | 8 | 10 | 15 | 17 | 19 | 29 | 28 | 23 | 9 | 9 | 9 |
| Snow days | 3 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
The largest precipitation sum in Namsan is at