Average annual temperature is 12.9 °C
Absolute maximum temperature: 34.3 °C
Absolute minimum temperature: -17.1 °C
Number of sunny days: 193 days
Number of rainy days: 164 days
Number of snow days: 8 days
Look at detailed online map of Sanseongmal
* Weather data for Sanseongmal 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) | 12.6 | 11.2 | 24.4 | 26.8 | 33.2 | 34.3 | 33.2 | 33.9 | 29.7 | 21.7 | 23.6 | 17.4 |
| Average daytime temperature (°C) | 2.2 | 6.7 | 15.7 | 19.2 | 24.9 | 27.8 | 29.3 | 30.1 | 26.0 | 18.9 | 10.3 | 4.8 |
| Average temperature (°C) | -2.6 | 1.0 | 8.6 | 12.9 | 18.9 | 22.6 | 25.4 | 25.9 | 22.1 | 13.7 | 5.5 | 0.8 |
| Average night temperature (°C) | -7.4 | -3.4 | 2.5 | 7.2 | 13.1 | 17.8 | 22.2 | 22.3 | 18.5 | 8.6 | 0.8 | -3.0 |
| Absolute minimum temperature (°C) | -17.1 | -7.0 | -4.6 | 0.4 | 4.3 | 13.2 | 19.7 | 16.2 | 12.4 | 2.8 | -7.8 | -14.1 |
| 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 | 13.1 | 14.1 | 14.7 | 14.4 | 13.5 | 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) | 7.1 | 8.1 | 9.2 | 7.7 | 8.5 | 9.9 | 7.2 | 8.4 | 7.1 | 8.1 | 7.3 | 5.8 |
| Precipitation (mm) | 31 | 2 | 23 | 65 | 125 | 170 | 458 | 378 | 248 | 18 | 81 | 87 |
| Sunny days | 20 | 23 | 23 | 15 | 22 | 11 | 8 | 9 | 10 | 17 | 17 | 18 |
| Rainy days | 8 | 4 | 8 | 15 | 9 | 19 | 23 | 22 | 20 | 14 | 13 | 9 |
| Snow days | 3 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 |
The best time to visit Sanseongmal during the most sunny months:
The largest precipitation sum in Sanseongmal is at