
Weather
Great Harbour Cay weather is slightly cooler than other Caribbean island groups owing to the proximity to the continental North American cold air systems. Clothing adequate for Great Harbour Cay weather includes lightweight or tropical, cottons all year round. Light raincoats are useful, since Great Harbour Cay weather has a wet season. Great Harbour Cay weather temperatures average around 20°C (68°F) during the winter season, and 30°C (86°F) during the summer. Great Harbour Cay weather presents a fairly high humidity, particularly in the summer.