Temperature
Warm by day, warm at night.
84°Ftypical Aug high
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
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
When to visit
Month-by-month fit
Precipitation
One of the driest months of the year.
19%wet-day frequency
AmountWet-day chance
Sunshine
Some sun, but clouds are common.
10.4 hAug sunshine
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
ClearCloud cover
Sea temperature
78°Aug sea temp
Similar
Similar things to doDar es SalaamTanzaniaSimilar things to doKaohsiungTaiwanSimilar things to doMakassarIndonesiaSimilar things to doSanto DomingoDominican Republic
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