Climate almanac
Port Moresby
National Capital, Papua New Guinea · -9.48°, 147.15°
What is the climate like in Port Moresby?
The best time to visit Port Moresby is typically June – August, with trip comfort peaking in July (7.1/10). Port Moresby is warmest in December, when daily highs average 86°F (30°C), and coolest in August, when lows fall to about 74°F (23°C). The wettest month is typically March and the driest is July; the year sees roughly 68 in (1739 mm) of precipitation.
- Best time to visitJune – August — comfort peaks in July (7.1/10)
- Warmest monthDecember — average high 86°F (30°C)
- Coolest monthAugust — average low 74°F (23°C)
- Wettest monthMarch (11 in (283 mm))
- Driest monthJuly (1.8 in (46 mm))
- Annual precipitation68 in (1739 mm)
- Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
- Records fromPort Moresby W.o., 13 km away (1970-2003)