Port Moresby weather by month & the best time to visit

🇵🇬 Papua New Guinea · beach resort · tropical — wet & dry seasons climate

The best time to visit Port Moresby is July — its sunniest month (Sunshine Score 88/100), with June and May close behind. Port Moresby averages about 2,354 hours of sunshine a year. Daytime highs around 32°C / 90°F and roughly 24 mm of rain in July.

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Sun hours / year

2,354

Sunniest month

July

Peak score

88/100

Rain / year

1,285 mm

Midday UV at peak

11 (extreme)

Sea at warmest

31°C / 88°F

Population

284k

Elevation

38 m

When is the best time to visit Port Moresby?

For sunshine, the best time to visit Port Moresby is July, then June and May. The dullest month is October (59/100, 47 mm of rain). The full month-by-month picture is in the table below.

How sunny is Port Moresby?

Port Moresby gets a moderate 2,354 hours of sunshine a year. July (88/100) is noticeably better than October (59). It ranks #3 of 37 destinations in Papua New Guinea for annual sunshine, above the national median of 2,055 hours. Rain has a clear season: the wettest stretch, around February, carries about 52% of the annual 1,285 mm.

Sunshine Score by month

Sea temperature in Port Moresby by month

The sea off Port Moresby is warmest in January at around 31°C / 88°F, and coolest in July at 26°C / 79°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.

See Port Moresby on the interactive sunshine globe →

Nearby places for sunshine

• Merauke Indonesia · 754 km · best in Aug · 2,324 h sun/yr
• Cairns Australia · 842 km · best in Aug · 2,763 h sun/yr
• Jayapura Indonesia · 1,063 km · best in Oct · 2,054 h sun/yr
• Wamena Indonesia · 1,089 km · best in Jan · 1,717 h sun/yr
• Townsville Australia · 1,092 km · best in Sep · 3,126 h sun/yr
• Hamilton Island Australia · 1,228 km · best in Sep · 3,060 h sun/yr

Nearest destinations

• Tapini Papua New Guinea · 123 km · 2,340 h sun/yr · best in Jul
• Popondetta Papua New Guinea · 139 km · 2,179 h sun/yr · best in Jul
• Kerema Papua New Guinea · 229 km · 1,926 h sun/yr · best in Jul
• Tufi Papua New Guinea · 234 km · 2,222 h sun/yr · best in Jul
• Lae Papua New Guinea · 324 km · 1,939 h sun/yr · best in Jul

Head-to-head

How Port Moresby compares month by month: Port Moresby vs Jayapura · Port Moresby vs Cairns · Port Moresby vs Merauke · Port Moresby vs Honiara · all comparisons