Average annual temperature is 14.5 °C
Absolute maximum temperature: 34.9 °C
Absolute minimum temperature: -12.0 °C
Number of sunny days: 185 days
Number of rainy days: 174 days
Number of snow days: 6 days
Look at detailed online map of Sungŭiwŏn
* Weather data for Sungŭiwŏn 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) | 17.1 | 14.0 | 23.7 | 27.4 | 26.4 | 31.0 | 34.1 | 34.9 | 31.0 | 24.8 | 26.8 | 19.3 |
| Average daytime temperature (°C) | 7.1 | 10.6 | 16.8 | 18.7 | 21.9 | 26.2 | 28.9 | 30.6 | 27.3 | 22.0 | 14.9 | 9.4 |
| Average temperature (°C) | 1.5 | 4.6 | 10.5 | 13.4 | 17.5 | 21.9 | 25.2 | 26.8 | 23.2 | 15.9 | 8.9 | 4.1 |
| Average night temperature (°C) | -2.8 | 0.1 | 5.5 | 8.9 | 13.8 | 18.6 | 22.6 | 23.8 | 19.9 | 10.9 | 4.0 | 0.0 |
| Absolute minimum temperature (°C) | -12.0 | -4.8 | -1.8 | 1.9 | 6.7 | 14.9 | 19.3 | 22.1 | 16.5 | 6.0 | -4.7 | -8.3 |
| 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 | 14.2 | 13.4 | 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) | 7.6 | 7.6 | 8.8 | 7.8 | 7.6 | 8.4 | 6.9 | 9.6 | 7.4 | 8.6 | 8.1 | 7.2 |
| Precipitation (mm) | 70 | 42 | 62 | 114 | 259 | 212 | 346 | 317 | 256 | 12 | 41 | 80 |
| Sunny days | 24 | 19 | 20 | 15 | 13 | 9 | 5 | 6 | 7 | 24 | 23 | 20 |
| Rainy days | 5 | 9 | 11 | 15 | 18 | 21 | 26 | 25 | 23 | 7 | 6 | 8 |
| Snow days | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 |
The largest precipitation sum in Sungŭiwŏn is at