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 29.09° C (84.36° F) in Aitutaki. The lowest is in Rarotonga, where the temperature of the water is 28.4° C (83.12° F).