Average annual temperature is 12.5 °C
Absolute maximum temperature: 34.0 °C
Absolute minimum temperature: -18.1 °C
Number of sunny days: 187 days
Number of rainy days: 164 days
Number of snow days: 14 days
Look at detailed online map of Seolmaesil
* Weather data for Seolmaesil 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) | 11.3 | 10.6 | 23.8 | 25.8 | 31.4 | 34.0 | 33.7 | 33.7 | 30.7 | 22.1 | 22.8 | 15.8 |
| Average daytime temperature (°C) | 1.7 | 6.7 | 15.3 | 18.2 | 24.0 | 27.2 | 29.4 | 29.9 | 26.3 | 18.6 | 9.5 | 3.9 |
| Average temperature (°C) | -2.9 | 0.9 | 8.5 | 12.2 | 18.1 | 22.1 | 25.3 | 25.7 | 21.9 | 13.2 | 4.7 | -0.2 |
| Average night temperature (°C) | -7.2 | -3.2 | 2.6 | 7.2 | 13.0 | 17.6 | 22.1 | 22.3 | 18.4 | 8.8 | 0.3 | -3.5 |
| Absolute minimum temperature (°C) | -18.1 | -6.6 | -4.6 | -0.2 | 4.4 | 13.2 | 19.1 | 16.0 | 11.7 | 3.1 | -8.3 | -14.5 |
| 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 | 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 | 8.1 | 9.1 | 7.4 | 8.9 | 9.5 | 7.5 | 8.2 | 7.3 | 7.9 | 7.0 | 6.0 |
| Precipitation (mm) | 59 | 1 | 18 | 101 | 138 | 280 | 430 | 359 | 181 | 30 | 71 | 87 |
| Sunny days | 20 | 24 | 22 | 16 | 20 | 9 | 5 | 6 | 10 | 20 | 16 | 19 |
| Rainy days | 5 | 1 | 9 | 14 | 11 | 21 | 26 | 25 | 20 | 11 | 12 | 9 |
| Snow days | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 |
The largest precipitation sum in Seolmaesil is at