Average annual temperature is 12.0 °C
Absolute maximum temperature: 35.2 °C
Absolute minimum temperature: -18.1 °C
Number of sunny days: 188 days
Number of rainy days: 167 days
Number of snow days: 10 days
Look at detailed online map of Namsan-myeon
* Weather data for Namsan-myeon 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) | 10.5 | 11.2 | 22.7 | 26.0 | 29.7 | 35.2 | 33.7 | 33.6 | 30.1 | 22.2 | 23.0 | 15.4 |
| Average daytime temperature (°C) | 1.7 | 6.5 | 14.8 | 17.8 | 23.3 | 27.4 | 29.7 | 29.5 | 26.0 | 18.6 | 9.4 | 3.7 |
| Average temperature (°C) | -3.2 | 0.3 | 7.3 | 11.6 | 17.2 | 22.0 | 25.3 | 25.4 | 21.3 | 12.8 | 4.3 | -0.9 |
| Average night temperature (°C) | -7.5 | -3.9 | 1.0 | 6.3 | 11.8 | 17.4 | 21.9 | 21.9 | 17.7 | 8.3 | 0.1 | -4.7 |
| Absolute minimum temperature (°C) | -18.1 | -6.4 | -4.7 | -0.2 | 3.7 | 12.8 | 17.9 | 16.8 | 11.1 | 1.9 | -8.0 | -15.0 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.2 | 8.3 | 9.2 | 7.4 | 9.2 | 9.6 | 8.0 | 7.9 | 7.5 | 8.0 | 6.8 | 6.1 |
| Precipitation (mm) | 41 | 1 | 22 | 107 | 124 | 205 | 436 | 368 | 134 | 22 | 89 | 87 |
| Sunny days | 21 | 22 | 24 | 15 | 19 | 10 | 6 | 6 | 10 | 20 | 15 | 20 |
| Rainy days | 4 | 4 | 7 | 15 | 12 | 20 | 25 | 25 | 20 | 11 | 13 | 11 |
| Snow days | 6 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 |
The largest precipitation sum in Namsan-myeon is at