Port Moresby Weather History
Papua New Guinea · Oceania · Weather data 1976–today
Port Moresby sits 1051km from the equator, 39m above sea level. That combination gives it a hot climate with one clear dry season (Tropical savanna climate). Its record high is 35.5°C, set 1992-11-13, its record low 15.3°C, set 1997-06-01.
Data through August 4, 2026.
Frequently asked questions about the weather in Port Moresby
What is the hottest temperature ever recorded in Port Moresby?
The highest temperature in this record for Port Moresby is 35.5°C, measured on 1992-11-13. That is a recorded daily value from Port Moresby's own series covering 1976 to 2025, not an estimate or a regional average.
What is the coldest temperature ever recorded in Port Moresby?
The lowest temperature in this record for Port Moresby is 15.3°C, measured on 1997-06-01. Together with the heat record above, that spans the full range this city has actually experienced across 1976 to 2025.
How much rain does Port Moresby get a year?
Port Moresby averages 1510mm of precipitation a year, spread across roughly 184 days with at least 1mm. That average is taken over 50 complete calendar years, so one exceptionally wet or dry year does not set the figure.
What was the wettest day on record in Port Moresby?
On 2006-02-15, 150.5mm fell on Port Moresby, the highest single-day total in this series. For scale, that is roughly 10% of what the city receives in an average full year, in one day.
How many hours of sunshine does Port Moresby get a year?
Port Moresby averages 3699 sunshine hours a year, which works out to about 10.1 hours a day across the whole year. Sunshine hours measure the time direct sunlight actually reaches the ground, not simply how long it is light.
How warm are summers and how cold are winters in Port Moresby?
Across the summer months Port Moresby averages a daytime high near 30°C, while winter nights average 22.6°C. The seasons here are set from Port Moresby's position relative to the equator rather than a fixed northern-hemisphere calendar.
What is the strongest wind recorded in Port Moresby?
The strongest wind speed recorded in Port Moresby is 43 km/h, on 1977-03-08. That is the daily maximum sustained wind rather than the peak gust, which typically runs higher still.
