Average annual temperature is 14.4 °C
Absolute maximum temperature: 36.1 °C
Absolute minimum temperature: -13.5 °C
Number of sunny days: 193 days
Number of rainy days: 171 days
Number of snow days: 1 day
Look at detailed online map of Sŏng-ni
* Weather data for Sŏng-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) | 16.4 | 15.5 | 24.4 | 28.3 | 32.6 | 35.8 | 33.7 | 36.1 | 30.6 | 23.4 | 25.9 | 18.9 |
| Average daytime temperature (°C) | 6.3 | 9.9 | 18.0 | 19.7 | 23.7 | 28.9 | 29.4 | 30.9 | 26.8 | 21.2 | 13.9 | 8.2 |
| Average temperature (°C) | 0.7 | 3.9 | 10.9 | 13.6 | 18.3 | 23.2 | 25.6 | 26.6 | 22.7 | 15.3 | 8.3 | 3.2 |
| Average night temperature (°C) | -3.5 | -0.8 | 5.1 | 8.1 | 13.7 | 18.8 | 22.7 | 23.5 | 19.2 | 10.3 | 3.8 | -0.7 |
| Absolute minimum temperature (°C) | -13.5 | -5.4 | -3.9 | 1.3 | 6.8 | 15.5 | 18.5 | 21.5 | 15.0 | 5.3 | -4.9 | -9.7 |
| 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 | 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) | 7.8 | 7.6 | 8.9 | 8.1 | 8.1 | 9.2 | 7.3 | 9.5 | 7.6 | 8.8 | 8.0 | 7.0 |
| Precipitation (mm) | 35 | 27 | 61 | 91 | 156 | 175 | 376 | 353 | 250 | 10 | 54 | 75 |
| Sunny days | 25 | 19 | 19 | 15 | 18 | 11 | 3 | 4 | 8 | 24 | 22 | 25 |
| Rainy days | 5 | 9 | 12 | 15 | 13 | 19 | 28 | 27 | 22 | 7 | 8 | 6 |
| Snow days | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sŏng-ni is at