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 26.44° C (79.59° F) in Aitutaki. The lowest is in Rarotonga, where the temperature of the water is 25.64° C (78.15° F).