With a population of around 26,300, Mendi sits in Southern Highlands Province, Papua New Guinea. The city operates in the Pacific/Port Moresby time zone.
In 2025, Mendi recorded an average annual temperature of 63°F. The hottest temperatures reached 78°F in February; the coolest were 50°F in August. Total precipitation for the year was 199 inches, with the wettest month being March.
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