Cook Islands Sea Temperatures

We track the current and average sea water temperatures for 4 locations in Cook Islands. Search the list below to find the place you're looking for.

The place with the highest sea temperature in Cook Islands today is 27.1° C (80.78° F) in Aitutaki. The lowest is in Rarotonga, where the temperature of the water is 25.39° C (77.71° F).