About Port Moresby, National Capital

Port Moresby is a city of approximately 284,000 people in National Capital, Papua New Guinea. Located in the Pacific/Port Moresby time zone at 9.5°S latitude.

Recent weather here gives a sense of typical conditions: in 2025, Port Moresby recorded a mean annual temperature of 80°F, ranging from 72°F lows in June to 91°F highs in October, with about 88 inches of precipitation across the year.