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