March in Jamaica averages a daily high of 9.8°C with nights around 1.5°C. Expect roughly 10.5 wet days totalling 100.2mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Jamaica is August–October.
Based on JFK INTERNATIONAL AIRPORT, NY US (6.8km), 1995–2024. 30 years of March data.