Average annual temperature is 12.9 °C
Absolute maximum temperature: 33.9 °C
Absolute minimum temperature: -13.7 °C
Number of sunny days: 220 days
Number of rainy days: 144 days
Number of snow days: 1 day
Look at detailed online map of Sŏngnae
* Weather data for Sŏngnae 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) | 13.5 | 13.5 | 20.7 | 25.1 | 30.5 | 30.1 | 32.4 | 33.9 | 28.1 | 22.8 | 23.4 | 17.3 |
| Average daytime temperature (°C) | 4.4 | 6.2 | 13.0 | 16.5 | 20.7 | 24.4 | 27.2 | 27.2 | 23.5 | 18.4 | 11.9 | 5.9 |
| Average temperature (°C) | 0.3 | 2.2 | 8.4 | 12.0 | 17.0 | 21.0 | 24.2 | 24.5 | 20.8 | 14.1 | 7.7 | 2.1 |
| Average night temperature (°C) | -3.1 | -1.2 | 3.9 | 7.7 | 13.1 | 17.6 | 21.7 | 22.2 | 18.4 | 10.1 | 3.9 | -0.8 |
| Absolute minimum temperature (°C) | -13.7 | -5.9 | -3.5 | 2.7 | 8.4 | 13.7 | 17.5 | 18.5 | 13.2 | 4.9 | -5.3 | -10.8 |
| 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 | 12.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.4 | 13.6 | 12.4 | 11.2 | 10.2 | 9.7 |
| 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) | 7.5 | 7.5 | 8.8 | 9.2 | 9.1 | 10.4 | 8.4 | 9.3 | 7.5 | 8.7 | 7.7 | 6.9 |
| Precipitation (mm) | 54 | 39 | 37 | 62 | 122 | 100 | 313 | 255 | 247 | 26 | 43 | 154 |
| Sunny days | 24 | 20 | 26 | 18 | 21 | 15 | 14 | 8 | 9 | 20 | 22 | 23 |
| Rainy days | 7 | 7 | 5 | 12 | 10 | 15 | 17 | 23 | 21 | 11 | 8 | 8 |
| Snow days | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sŏngnae is at