General Climate Information

The Cayman Islands lie between latitudes 19° and 20° North, closer to the equator then some people realize so the climate is warm and humid with little seasonal variation.

Winter - November to April
72°F to 86°F during the day
64°F to 72°F at night
Water temperature ranges between 78°F and 82°F

Summer - May to October
85°F to 90°F during the day.
73°F to 85°F at night
Water temperature ranges between 82°F - 86°F

Relative humidity varies from 68% - 92% and rainfall varies with the season. The Sister islands experience far less rainfall than Grand Cayman.