With a population of around 10,000, Alotau sits in Milne Bay Province, Papua New Guinea. The city operates in the Pacific/Port Moresby time zone.
In 2025, Alotau recorded an average annual temperature of 80°F. The hottest temperatures reached 93°F in January; the coolest were 70°F in August. Total precipitation for the year was 86 inches, with the wettest month being April.
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