Average humidity in Port Moresby

The mean monthly relative humidity over the year in Port Moresby (Papua Region), Papua New Guinea.

Average monthly relative humidity in Port Moresby,

Feel free to add this climate graph to your website. Click the copy button above.


  • On average, May is the most humid month, at 81.0%.
  • On average, August is the least humid month, at 75.0%.
  • The average annual percentage of humidity is 77%.

Weather Forecasts for Port Moresby

Thu   Mar 28
32°C | 26°C
SW 14 km/h
1.3 mm
broken clouds and rain

broken clouds and rain

Fri   Mar 29
32°C | 26°C
SW 14 km/h
5.8 mm
broken clouds and thunder

broken clouds and thunder

Sat   Mar 30
33°C | 26°C
W 18 km/h
9 mm
broken clouds and thunder

broken clouds and thunder

Interested in more climate information?

Weather and Climate provides you with all the information you need about the climate in Port Moresby.

Our site offers climate and forecast data for every country in the world. Are you going to Papua New Guinea? On this website you can find historical weather averages for many cities in Papua New Guinea. Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal climate conditions. Find out where to go with our weather planner.