Port Moresby weather

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The weather guide for Port Moresby, Papua New Guinea shows long term weather averages processed from data supplied by CRU (University of East Anglia) & today's weather forecast provided by MeteoBlue. Find out more about our data sources.

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Which is the hottest month in Port Moresby?

The hottest time of year in Port Moresby is normally December. Expect maximum daytime temperatures to reach 31°C with very high heat and humidity.

Which month has the most rain in Port Moresby?

In terms of rainfall, March is usually the wettest month in Port Moresby with 248mm on average. There are normally 19 days in March with some rain.

When is it sunniest in Port Moresby?

The sunniest time of year in Port Moresby is normally October with bright sunshine on average for 58% of daylight hours; that's 7 hours of sunshine per day.

When is the sea warmest in Port Moresby?

The sea is usually at its warmest in Port Moresby in January when the water temperature reaches 29°C.

Metric (°C / mm)  |  Imperial (°F / inches)

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Compare Port Moresby weather with the USA

Below the Port Moresby weather chart shows average maximum daytime temperature for Port Moresby, Papua New Guinea and the USA (Washington).

Maximum daytime temperature (°C)

Port Moresby, Papua New Guinea
USA (Washington)
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Metric (°C / mm)  |  Imperial (°F / inches)

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Tropical storm risk: Port Moresby, Papua New Guinea cyclone season

% of month affected by tropical storms
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0
<1%
<1%
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0
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0
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Feb
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Dec

The Port Moresby, Papua New Guinea tropical storm risk chart above shows the cyclone season. The chart was processed from data supplied by the US Meteorological Agency (NOAA). Find out more about our data sources.

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