Average annual temperature is 12.6 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -19.2 °C
Number of sunny days: 189 days
Number of rainy days: 163 days
Number of snow days: 13 days
Look at detailed online map of Seom-mal
* Weather data for Seom-mal 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) | 11.7 | 10.0 | 23.2 | 26.6 | 30.2 | 34.3 | 33.2 | 33.3 | 30.7 | 21.7 | 23.1 | 15.9 |
| Average daytime temperature (°C) | 1.6 | 6.0 | 14.8 | 18.1 | 23.6 | 26.5 | 29.1 | 29.5 | 26.0 | 18.6 | 9.5 | 4.0 |
| Average temperature (°C) | -3.3 | 0.5 | 7.9 | 12.3 | 18.0 | 22.0 | 25.5 | 25.9 | 22.2 | 14.0 | 5.1 | 0.0 |
| Average night temperature (°C) | -8.1 | -3.8 | 2.1 | 7.4 | 13.1 | 18.1 | 22.7 | 22.8 | 18.8 | 9.7 | 1.0 | -3.8 |
| Absolute minimum temperature (°C) | -19.2 | -7.4 | -4.3 | 0.3 | 5.8 | 13.6 | 19.9 | 19.5 | 11.8 | 4.5 | -7.7 | -14.8 |
| 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) | 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) | 7.1 | 8.3 | 9.2 | 7.5 | 8.8 | 9.3 | 7.4 | 8.3 | 7.4 | 8.1 | 7.0 | 5.9 |
| Precipitation (mm) | 46 | 1 | 15 | 96 | 139 | 181 | 432 | 311 | 170 | 31 | 106 | 75 |
| Sunny days | 18 | 25 | 25 | 14 | 21 | 12 | 6 | 7 | 8 | 18 | 17 | 18 |
| Rainy days | 5 | 2 | 6 | 16 | 10 | 18 | 25 | 24 | 22 | 13 | 12 | 10 |
| Snow days | 8 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The largest precipitation sum in Seom-mal is at