Best Time to Visit Port Moresby, Port Moresby, Papua New Guinea
Month-by-month climate guide for planning a trip to Port Moresby.
Port Moresby does not have a month that clearly fits our sunny profiles. Its practical travel window centres on its warmest (December, 27.6°C / 81.7°F) and driest (July, 51 mm / 2 in) months. The drier stretch runs through May–November; the wetter half falls in December–April. At the city itself, monthly average temperatures range from 25.8°C / 78.4°F in July to 27.6°C / 81.7°F in December, with rainfall from 51 mm / 2 in (July) to 266 mm / 10.5 in (March). These are point-value climate normals sampled at Port Moresby, Port Moresby, Papua New Guinea's coordinates — usually more actionable for travellers than the country-wide average. Port Moresby's climate is broadly tropical. The full month-by-month table below lets you match your travel window against our five weather profiles.
Recommended months
| Month | Temp | Rain | Feels like |
|---|---|---|---|
| July | 25.8°C78.4°F | 51 mm2″ | — |
| August | 25.9°C78.6°F | 52 mm2″ | — |
| September | 26.4°C79.5°F | 70 mm2.8″ | — |
No month at Port Moresby matches our sunny profiles. The three above are the driest-and-warmest fallback.
Frequently asked questions
When is the best time to visit Port Moresby?
Port Moresby doesn't have a month that clearly matches our sunny profiles. The practical travel window centres on July (driest, ~51 mm / 2 in) and December (warmest, 27.6°C / 81.7°F). Because these are point values at the city, they can differ substantially from Papua New Guinea's national average.
When is the rainy season in Port Moresby?
The rainy season at Port Moresby, Port Moresby runs through December–April, when monthly rainfall exceeds the annual median of about 125 mm / 4.9 in. The wettest single month is March (266 mm / 10.5 in).
What is the driest month in Port Moresby?
The driest month in Port Moresby is July, averaging about 51 mm / 2 in of rainfall. Temperature that month averages 25.8°C / 78.4°F.
What months should I avoid visiting Port Moresby?
The least comfortable months for travel to Port Moresby — based on point-value climate at the city — are January, February, March, June, July, August, September. These are the wettest or coolest months at this location. Rainfall peaks at 266 mm / 10.5 in in March, and the coldest month averages 25.8°C / 78.4°F.
Is Port Moresby climate different from Papua New Guinea overall?
Yes, usually. Our Port Moresby figures are point-value climate normals sampled at the city itself, while our Papua New Guinea figures are area-weighted averages across the whole country. The two can diverge substantially in geographically diverse or elevation-varied countries. The month-by-month table below reflects Port Moresby specifically — usually the more actionable data for a traveller planning to spend time in the city.