Average annual temperature is 10.7 °C
Absolute maximum temperature: 32.4 °C
Absolute minimum temperature: -20.9 °C
Number of sunny days: 180 days
Number of rainy days: 169 days
Number of snow days: 16 days
Look at detailed online map of Seojail
* Weather data for Seojail 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) | 6.3 | 8.7 | 20.3 | 23.4 | 27.5 | 32.3 | 31.4 | 32.4 | 29.6 | 20.6 | 21.0 | 13.2 |
| Average daytime temperature (°C) | -1.0 | 4.4 | 12.5 | 15.5 | 21.4 | 25.2 | 27.9 | 27.8 | 24.8 | 17.0 | 7.2 | 1.7 |
| Average temperature (°C) | -5.4 | -0.8 | 6.4 | 10.1 | 16.2 | 20.3 | 24.0 | 24.0 | 20.4 | 12.2 | 2.9 | -2.1 |
| Average night temperature (°C) | -10.5 | -4.6 | 0.7 | 5.6 | 11.3 | 16.0 | 21.0 | 20.6 | 16.8 | 8.1 | -1.0 | -5.7 |
| Absolute minimum temperature (°C) | -20.9 | -8.7 | -6.6 | -1.9 | 3.9 | 12.1 | 17.7 | 16.0 | 8.5 | 2.0 | -10.1 | -18.5 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.8 | 14.5 | 13.6 | 12.4 | 11.2 | 10.1 | 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 | 8.6 | 9.4 | 7.1 | 9.3 | 9.7 | 8.1 | 7.9 | 7.8 | 8.4 | 6.5 | 5.9 |
| Precipitation (mm) | 53 | 2 | 21 | 105 | 138 | 159 | 307 | 305 | 103 | 18 | 109 | 78 |
| Sunny days | 19 | 25 | 24 | 11 | 20 | 8 | 6 | 5 | 11 | 18 | 15 | 18 |
| Rainy days | 4 | 1 | 7 | 19 | 11 | 22 | 25 | 26 | 19 | 13 | 13 | 9 |
| Snow days | 8 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 |
The largest precipitation sum in Seojail is at