Average annual temperature is 12.9 °C
Absolute maximum temperature: 33.8 °C
Absolute minimum temperature: -15.6 °C
Number of sunny days: 162 days
Number of rainy days: 187 days
Number of snow days: 16 days
Look at detailed online map of Namgwan
* Weather data for Namgwan 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) | 14.7 | 11.9 | 22.3 | 23.7 | 30.3 | 32.4 | 32.2 | 33.8 | 30.0 | 21.9 | 23.7 | 17.4 |
| Average daytime temperature (°C) | 3.3 | 6.7 | 15.2 | 17.7 | 22.3 | 26.8 | 28.2 | 29.6 | 26.1 | 19.0 | 11.2 | 5.7 |
| Average temperature (°C) | -1.0 | 1.4 | 8.5 | 12.0 | 17.3 | 21.4 | 24.5 | 25.3 | 21.7 | 14.1 | 6.8 | 2.2 |
| Average night temperature (°C) | -4.9 | -2.5 | 3.6 | 7.4 | 12.9 | 17.5 | 21.9 | 22.0 | 18.5 | 9.8 | 2.7 | -1.1 |
| Absolute minimum temperature (°C) | -15.6 | -7.3 | -3.6 | 1.0 | 4.4 | 14.0 | 18.9 | 17.5 | 12.4 | 5.4 | -6.8 | -12.3 |
| 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 | 14.5 | 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) | 7.1 | 7.3 | 8.9 | 7.5 | 8.1 | 9.4 | 6.8 | 9.5 | 7.7 | 8.7 | 7.1 | 5.8 |
| Precipitation (mm) | 40 | 12 | 45 | 97 | 179 | 198 | 549 | 372 | 202 | 14 | 94 | 124 |
| Sunny days | 16 | 22 | 22 | 14 | 11 | 13 | 1 | 5 | 8 | 22 | 15 | 13 |
| Rainy days | 8 | 5 | 9 | 16 | 20 | 17 | 30 | 26 | 22 | 9 | 14 | 11 |
| Snow days | 7 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
The largest precipitation sum in Namgwan is at