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 25.98° C (78.76° F) in Aitutaki. The lowest is in Rarotonga, where the temperature of the water is 24.86° C (76.75° F).