Average annual temperature is 12.2 °C
Absolute maximum temperature: 34.2 °C
Absolute minimum temperature: -23.8 °C
Number of sunny days: 178 days
Number of rainy days: 171 days
Number of snow days: 16 days
Look at detailed online map of Sewolsan
* Weather data for Sewolsan 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) | 11.9 | 9.7 | 22.8 | 25.7 | 29.5 | 34.2 | 33.0 | 33.2 | 30.6 | 21.5 | 22.6 | 15.0 |
| Average daytime temperature (°C) | 0.8 | 5.9 | 14.2 | 17.5 | 23.2 | 26.6 | 28.9 | 29.3 | 25.8 | 18.4 | 9.1 | 3.5 |
| Average temperature (°C) | -3.9 | 0.5 | 7.8 | 12.0 | 17.8 | 22.0 | 25.3 | 25.6 | 21.7 | 13.5 | 4.5 | -0.6 |
| Average night temperature (°C) | -9.1 | -3.3 | 2.0 | 7.5 | 13.1 | 18.1 | 22.4 | 22.4 | 18.4 | 9.2 | 0.3 | -4.2 |
| Absolute minimum temperature (°C) | -23.8 | -6.8 | -4.8 | 1.3 | 5.7 | 14.9 | 18.8 | 17.0 | 12.5 | 3.5 | -8.3 | -15.7 |
| 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) | 7.3 | 8.3 | 9.2 | 7.3 | 9.1 | 9.3 | 7.7 | 8.1 | 7.5 | 8.0 | 6.9 | 6.1 |
| Precipitation (mm) | 39 | 2 | 22 | 116 | 152 | 216 | 460 | 327 | 152 | 24 | 106 | 86 |
| Sunny days | 18 | 24 | 22 | 14 | 17 | 10 | 3 | 7 | 8 | 19 | 16 | 20 |
| Rainy days | 4 | 0 | 9 | 16 | 14 | 20 | 28 | 24 | 22 | 12 | 12 | 10 |
| Snow days | 9 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 1 |
The largest precipitation sum in Sewolsan is at