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.
Recent weather here gives a sense of typical conditions: in 2025, Alotau recorded a mean annual temperature of 80°F, ranging from 70°F lows in August to 93°F highs in January, with about 86 inches of precipitation across the year.
View historical weather for Alotau · More cities in Milne Bay Province