Average annual temperature is 14.1 °C
Absolute maximum temperature: 35.8 °C
Absolute minimum temperature: -13.8 °C
Number of sunny days: 178 days
Number of rainy days: 179 days
Number of snow days: 8 days
Look at detailed online map of Sŏng-maŭl
* Weather data for Sŏng-maŭl 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) | 15.5 | 12.6 | 26.1 | 26.1 | 32.6 | 35.8 | 32.8 | 33.8 | 31.0 | 23.1 | 25.1 | 19.0 |
| Average daytime temperature (°C) | 5.0 | 7.8 | 16.6 | 19.8 | 24.7 | 28.4 | 29.4 | 30.5 | 27.0 | 20.5 | 13.1 | 7.5 |
| Average temperature (°C) | 0.1 | 2.0 | 9.0 | 13.6 | 18.7 | 22.9 | 25.8 | 26.5 | 22.7 | 15.1 | 8.4 | 3.6 |
| Average night temperature (°C) | -4.3 | -2.6 | 3.0 | 8.1 | 13.7 | 18.8 | 23.0 | 23.1 | 19.0 | 10.3 | 3.9 | 0.0 |
| Absolute minimum temperature (°C) | -13.8 | -5.8 | -4.3 | 1.4 | 5.5 | 14.8 | 20.1 | 17.3 | 13.6 | 5.7 | -3.6 | -9.5 |
| 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) | 10.0 | 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) | 7.2 | 7.6 | 8.9 | 7.9 | 8.4 | 9.6 | 7.2 | 9.5 | 7.7 | 8.6 | 6.6 | 5.2 |
| Precipitation (mm) | 45 | 9 | 26 | 80 | 149 | 150 | 552 | 267 | 229 | 16 | 80 | 131 |
| Sunny days | 21 | 23 | 23 | 16 | 12 | 14 | 1 | 4 | 12 | 23 | 17 | 12 |
| Rainy days | 9 | 5 | 8 | 14 | 19 | 16 | 30 | 27 | 18 | 8 | 12 | 13 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 6 |
The largest precipitation sum in Sŏng-maŭl is at