Thermograph

Weather in Port Moresby in August

In an average August, Port Moresby sees a daily high around 28°C and a low around 21°C, based on 1980–2026 of local climate records.

Average high28°C
Typical high range26°C to 30°C
Average low21°C
Typical low range19°C to 22°C
Average daily precipitation3 mm

August records

The most extreme August on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total August accumulation.

High

Highest 32°C 2026-08-25
Lowest 22°C 1982-08-04

Low

Highest 24°C 2026-08-26
Lowest 14°C 1990-08-23

Feels-like

Highest 42°C 1992-08-24
Lowest 22°C 1982-08-04

Humidity

Highest 21.8 g/m³ 2024-08-14
Lowest 12.0 g/m³ 1990-08-23

Wind

Highest 28 km/h 2026-08-29
Lowest 4 km/h 2005-08-03

Gust

Highest 64 km/h 1980-08-09
Lowest 15 km/h 2005-08-03

Precip

Wettest 173 mm 1991
Driest 2 mm 1997

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