Sea temperature and swimming season in Cook Islands
When the sea is warm enough to swim in 1 coastal city in Cook Islands.
| City | Warmest | Coldest | Swimming season |
|---|---|---|---|
| Avarua | 28.3°C Mar | 24.5°C Aug | 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