Average annual temperature is 14.9 °C
Absolute maximum temperature: 36.4 °C
Absolute minimum temperature: -11.7 °C
Number of sunny days: 192 days
Number of rainy days: 168 days
Number of snow days: 5 days
Look at detailed online map of Sisŏng-ni
* Weather data for Sisŏng-ni 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) | 16.6 | 14.7 | 23.9 | 28.1 | 29.5 | 33.9 | 34.6 | 36.4 | 31.1 | 24.5 | 26.8 | 19.0 |
| Average daytime temperature (°C) | 7.2 | 10.9 | 17.8 | 19.7 | 23.5 | 28.5 | 29.7 | 31.3 | 27.6 | 21.9 | 15.0 | 9.3 |
| Average temperature (°C) | 1.7 | 4.6 | 11.0 | 13.9 | 18.2 | 23.0 | 25.7 | 27.1 | 23.3 | 16.3 | 9.3 | 4.2 |
| Average night temperature (°C) | -2.7 | -0.2 | 5.7 | 8.9 | 14.1 | 18.9 | 22.9 | 24.0 | 20.0 | 11.7 | 4.8 | 0.2 |
| Absolute minimum temperature (°C) | -11.7 | -5.1 | -3.7 | 1.4 | 7.3 | 15.5 | 18.9 | 22.0 | 17.0 | 7.0 | -4.1 | -9.5 |
| 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 | 13.0 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 10.1 | 10.9 | 12.0 | 13.1 | 14.0 | 14.5 | 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) | 7.7 | 7.7 | 8.6 | 7.8 | 7.7 | 8.9 | 6.8 | 9.8 | 7.5 | 8.4 | 8.0 | 6.9 |
| Precipitation (mm) | 50 | 30 | 75 | 84 | 219 | 193 | 304 | 307 | 257 | 9 | 60 | 69 |
| Sunny days | 25 | 20 | 20 | 15 | 14 | 12 | 2 | 6 | 11 | 25 | 22 | 20 |
| Rainy days | 5 | 8 | 11 | 15 | 17 | 18 | 29 | 25 | 19 | 6 | 8 | 7 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The largest precipitation sum in Sisŏng-ni is at