About Porus, Manchester's Climate & Weather History

Porus, in Manchester, Jamaica, is home to roughly 5,900 people in the America/Jamaica time zone at 18°N latitude.

In 2025, Porus recorded an average annual temperature of 78°F. The hottest temperatures reached 96°F in August; the coolest were 63°F in March. Total precipitation for the year was 57 inches, with the wettest month being October.