Port Moresby weather

Get the latest coronavirus (Covid-19) updates for Papua New Guinea with current travel advice and statistics on new cases per 100,000 and vaccine.

Usually in September
- 30
- 22
- 7
Weather by month
Now Today
- 28
- 2
5-day forecast

Princess Cruises: Latest South Pacific cruise deals

Sale

Browse latest offers on Princess Cruises to South Pacific
Sort cruise deals by price, duration, date & itinerary
Prices shown include taxes, fees & port expenses

Go to Princess Cruises deal >>

View all Princess Cruises offers

Recommended for Papua New Guinea

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

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.

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)

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)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

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

Compare more Port Moresby weather >>

TUI: Top holiday deals for 2021/2022

Sale

Book online & save on TUI holidays in 2021/2022
Pay £0 deposits on holidays with direct debit
Plus free child places available

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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

% of month affected by tropical storms

<1%

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

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.

More about tropical storms