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