Average annual temperature is 13.6 °C
Absolute maximum temperature: 33.7 °C
Absolute minimum temperature: -16.1 °C
Number of sunny days: 165 days
Number of rainy days: 182 days
Number of snow days: 18 days
Look at detailed online map of Sumyeong
* Weather data for Sumyeong 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) | 15.2 | 12.2 | 22.6 | 25.8 | 29.8 | 33.6 | 32.0 | 33.7 | 30.4 | 22.5 | 23.6 | 18.0 |
| Average daytime temperature (°C) | 4.2 | 7.5 | 15.6 | 18.2 | 22.8 | 27.1 | 28.6 | 30.1 | 26.6 | 19.7 | 12.1 | 6.9 |
| Average temperature (°C) | -0.2 | 2.2 | 9.0 | 12.6 | 17.8 | 21.8 | 25.1 | 25.9 | 22.4 | 14.9 | 7.8 | 3.2 |
| Average night temperature (°C) | -4.5 | -1.2 | 4.3 | 8.1 | 13.7 | 18.2 | 22.5 | 22.7 | 19.3 | 10.8 | 3.8 | -0.1 |
| Absolute minimum temperature (°C) | -16.1 | -5.6 | -2.6 | 2.1 | 7.6 | 13.9 | 18.8 | 18.4 | 15.0 | 5.8 | -4.2 | -11.4 |
| 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) | 7.1 | 7.2 | 8.8 | 7.2 | 7.5 | 8.8 | 6.1 | 9.6 | 7.5 | 8.3 | 6.8 | 5.3 |
| Precipitation (mm) | 54 | 18 | 45 | 108 | 176 | 202 | 494 | 265 | 200 | 17 | 99 | 108 |
| Sunny days | 20 | 20 | 25 | 12 | 12 | 15 | 0 | 3 | 9 | 20 | 18 | 11 |
| Rainy days | 5 | 7 | 6 | 18 | 19 | 15 | 31 | 28 | 21 | 11 | 10 | 11 |
| Snow days | 6 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 9 |
The best time to visit Sumyeong during the most sunny months:
The largest precipitation sum in Sumyeong is at