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.
Recent weather here gives a sense of typical conditions: in 2025, Port Antonio recorded a mean annual temperature of 80°F, ranging from 68°F lows in March to 94°F highs in October, with about 81 inches of precipitation across the year.
View historical weather for Port Antonio · More cities in Portland Parish