Average annual temperature is 11.3 °C
Absolute maximum temperature: 33.4 °C
Absolute minimum temperature: -20.4 °C
Number of sunny days: 175 days
Number of rainy days: 173 days
Number of snow days: 17 days
Look at detailed online map of Samŭi
* Weather data for Samŭi 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) | 11.3 | 9.7 | 22.1 | 24.8 | 29.2 | 33.4 | 33.2 | 33.0 | 29.8 | 21.0 | 22.3 | 14.5 |
| Average daytime temperature (°C) | 0.5 | 5.3 | 13.6 | 16.8 | 22.5 | 26.1 | 28.6 | 28.9 | 25.2 | 17.7 | 8.4 | 2.7 |
| Average temperature (°C) | -4.5 | -0.4 | 6.8 | 10.9 | 16.8 | 21.1 | 24.5 | 24.6 | 20.7 | 12.4 | 3.6 | -1.5 |
| Average night temperature (°C) | -9.2 | -4.2 | 0.7 | 6.2 | 11.6 | 16.8 | 21.3 | 21.1 | 17.1 | 8.0 | -0.4 | -4.9 |
| Absolute minimum temperature (°C) | -20.4 | -7.6 | -5.5 | 0.3 | 3.7 | 13.3 | 17.7 | 16.8 | 11.8 | 4.0 | -9.1 | -16.0 |
| 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 | 13.0 | 11.0 | 10.0 | 9.0 |
| Daylight mean duration (h) | 9.9 | 10.8 | 12.0 | 13.2 | 14.2 | 14.7 | 14.5 | 13.6 | 12.4 | 11.2 | 10.2 | 9.6 |
| 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) | 7.3 | 8.3 | 9.1 | 7.3 | 9.1 | 9.4 | 7.7 | 8.0 | 7.3 | 7.9 | 6.9 | 6.1 |
| Precipitation (mm) | 39 | 2 | 20 | 107 | 159 | 213 | 423 | 331 | 158 | 29 | 104 | 88 |
| Sunny days | 19 | 22 | 23 | 15 | 17 | 10 | 3 | 5 | 7 | 19 | 16 | 19 |
| Rainy days | 3 | 2 | 8 | 15 | 14 | 20 | 28 | 26 | 23 | 12 | 12 | 10 |
| Snow days | 9 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 |
The largest precipitation sum in Samŭi is at