Average annual temperature is 14.0 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -14.6 °C
Number of sunny days: 193 days
Number of rainy days: 169 days
Number of snow days: 3 days
Look at detailed online map of Sŏptŭl
* Weather data for Sŏptŭl 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) | 16.0 | 15.2 | 24.4 | 27.6 | 33.2 | 33.3 | 34.6 | 36.4 | 29.4 | 22.6 | 25.8 | 19.1 |
| Average daytime temperature (°C) | 5.0 | 8.7 | 17.0 | 18.9 | 23.2 | 27.9 | 29.9 | 30.4 | 25.8 | 20.4 | 13.1 | 7.1 |
| Average temperature (°C) | 0.2 | 3.3 | 10.5 | 13.4 | 17.9 | 22.6 | 25.7 | 26.2 | 22.2 | 14.8 | 7.8 | 2.7 |
| Average night temperature (°C) | -3.7 | -0.9 | 5.2 | 8.6 | 13.5 | 18.5 | 22.5 | 22.9 | 19.2 | 10.1 | 3.1 | -1.0 |
| Absolute minimum temperature (°C) | -14.6 | -5.8 | -2.6 | 1.8 | 5.6 | 15.4 | 18.0 | 20.6 | 13.7 | 5.7 | -6.0 | -11.2 |
| 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 | 14.6 | 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) | 7.8 | 7.2 | 9.1 | 8.5 | 8.2 | 9.3 | 7.9 | 9.0 | 7.0 | 8.8 | 7.9 | 7.0 |
| Precipitation (mm) | 31 | 27 | 63 | 56 | 148 | 208 | 284 | 201 | 245 | 8 | 60 | 104 |
| Sunny days | 25 | 19 | 20 | 16 | 15 | 12 | 3 | 8 | 6 | 21 | 24 | 24 |
| Rainy days | 5 | 8 | 11 | 14 | 16 | 18 | 28 | 23 | 24 | 10 | 6 | 6 |
| Snow days | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
The largest precipitation sum in Sŏptŭl is at