Port MoresbyPapua New Guinea · Oceania · Year-round overview
CityCoastalCulture

Port Moresby

Papua New Guinea · Oceania

Port Moresby is most comfortable in the drier months around June to September. Typical daytime highs run about 83-87°F year-round. The climate is warm and humid. Rainy season runs roughly December to May.

Best time to go
Port Moresby travel scene
12 mo · Typical year
Temperature range
72°F to 87°F
Rain
14 days/mo
Sunshine
10.1 h/day
Humidity feel
Humid year-round

Month-by-month fit

Temperature

Warm by day, warm at night.

84°Ftypical Aug high
70°80°90°HighLow87°F83°F74°F72°FJanMarMayJulSepNovCurrent month · 84°F

Precipitation

One of the driest months of the year.

19%wet-day frequency
012345678Amount (in)0%25%50%75%100%87%JanMarMayJulSepNovCurrent month · 19%19%
AmountWet-day chance

Sunshine

Some sun, but clouds are common.

10.4 hAug sunshine
0 h4 h8 h12 h16 h8.9 hJanMarMayJulSepNovCurrent month · 10.4 h10.4 h

Heat & humidity by month

Warm days, with brief hot afternoons and occasional humid spells.

HumidAug heat feel
Air-feel chart data is unavailable for this destination. Use the selected-month dew point, temperature, rain, and sunshine context together rather than treating any one metric as total comfort.
More detailIncludes sky, daypart comfort, and sea

Cloud cover

Mostly cloudy skies.

32%Aug clear sky
0%25%50%75%100%9%JanMarMayJulSepNovCurrent month · 32%32%
ClearCloud cover

Sea temperature

78°Aug sea temp
70°75°90°Comfortable swim 75°+85°JanMarMayJulSepNovCurrent month · 78°78°

Similar

Want a side-by-side climate view? Compare Port Moresby with Dar es Salaam.

Climate data notePlanning guidance, not a forecast

Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.

Local microclimates can vary by beach, neighborhood, trail, or elevation.

Last updated: Jun 1, 2026

Data & methodology