About Mount Hagen, Western Highlands Province

With a population of around 33,600, Mount Hagen sits in Western Highlands 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, Mount Hagen recorded a mean annual temperature of 64°F, ranging from 52°F lows in September to 79°F highs in October, with about 93 inches of precipitation across the year.