Temperature
Warm by day, warm at night.
84°Ftypical Aug high
Typical range
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, humid days, with brief hot afternoons.
90%Aug share of humid air hours
Easy airWarm airHot airHumid airVery humid air
Hourly comfort pattern
In August, afternoons feel about 82° and nights feel near 77°.
WarmHotNight shading
More detailIncludes sky, daypart comfort, sea, and wind
Cloud cover
Mostly cloudy skies.
35%Aug clear sky
ClearCloud cover
Sea temperature
78°Aug sea temp
Typical August day
August late afternoons are around 81°F, easing to about 77°F in early evening.
Avg temp Typical range
Morning79°F
Feels 82°F
Rain6%
Cloud58%
Humid airVery high
Sun intensityModerate
Midday82°F
Rain14%
Cloud64%
Humid airVery high
Sun intensityStrong
Late afternoon81°F
Rain16%
Cloud68%
Humid airVery high
Sun intensityModerate
Early evening77°F
Feels 79°F
Rain10%
Cloud69%
Humid airVery high
Sun intensityMinimal
Best windowWind pattern
August's typical breeze keeps the air from feeling as stagnant.
10 mphAug Breezy
Typical wind speed (mph)
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