Sea temperature and swimming season in Hong Kong
When the sea is warm enough to swim in 4 coastal cities in Hong Kong.
| City | Warmest | Coldest | Swimming season |
|---|---|---|---|
| Hong Kong | 29.6°C Jul | 19.5°C Jan | all year |
| Ma On Shan | 29.5°C Jul | 19.3°C Jan | all year |
| Discovery Bay | 29.5°C Jul | 18.1°C Jan | Mar – Dec (10 months) |
| Sha Tau Kok | 29.5°C Jul | 19.3°C Jan | all year |
Knowing the temperature is only half of it. What to wear, and why cold shock is the real risk →
Season uses 19°C. Why that number, and where the data comes from