Port Antonio is a city of approximately 14,400 people in Portland Parish, Jamaica. Located in the America/Jamaica time zone at 18.2°N latitude.
In 2025, Port Antonio recorded an average annual temperature of 80°F. The hottest temperatures reached 94°F in October; the coolest were 68°F in March. Total precipitation for the year was 81 inches, with the wettest month being October.
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