Average annual temperature is 13.9 °C
Absolute maximum temperature: 36.0 °C
Absolute minimum temperature: -13.4 °C
Number of sunny days: 199 days
Number of rainy days: 162 days
Number of snow days: 4 days
Look at detailed online map of Sanyang
* Weather data for Sanyang 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) | 15.7 | 14.5 | 22.4 | 27.1 | 32.8 | 32.0 | 34.0 | 36.0 | 29.9 | 24.4 | 26.0 | 18.9 |
| Average daytime temperature (°C) | 5.5 | 7.6 | 14.9 | 18.1 | 22.8 | 26.8 | 30.0 | 29.4 | 25.1 | 19.7 | 13.3 | 7.0 |
| Average temperature (°C) | 0.8 | 2.9 | 9.4 | 13.1 | 18.4 | 22.6 | 26.3 | 26.1 | 21.7 | 14.5 | 8.2 | 2.5 |
| Average night temperature (°C) | -3.0 | -0.8 | 4.5 | 8.3 | 14.2 | 18.8 | 23.1 | 23.2 | 18.9 | 9.8 | 3.9 | -1.0 |
| Absolute minimum temperature (°C) | -13.4 | -4.4 | -2.7 | 2.9 | 7.7 | 15.2 | 19.3 | 18.8 | 12.7 | 3.7 | -5.4 | -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 | 7.4 | 8.8 | 9.3 | 9.0 | 10.2 | 8.4 | 9.0 | 7.5 | 8.6 | 7.7 | 6.8 |
| Precipitation (mm) | 48 | 39 | 36 | 65 | 137 | 104 | 274 | 294 | 261 | 20 | 55 | 178 |
| Sunny days | 25 | 19 | 24 | 17 | 18 | 11 | 11 | 3 | 9 | 17 | 22 | 23 |
| Rainy days | 4 | 7 | 7 | 13 | 13 | 19 | 20 | 28 | 21 | 14 | 8 | 8 |
| Snow days | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
The largest precipitation sum in Sanyang is at