Manus Island weather by month & the best time to visit

🇵🇬 Papua New Guinea · beach resort · tropical rainforest climate

The best time to visit Manus Island is January — its sunniest month (Sunshine Score 64/100), with February and March close behind. Manus Island averages about 2,141 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 268 mm of rain in January.

Jump to: month-by-month table · sea temperature · nearby alternatives · embed this data

Sun hours / year

2,141

Sunniest month

January

Peak score

64/100

Rain / year

2,999 mm

Midday UV at peak

11 (extreme)

Sea at warmest

31°C / 88°F

Population

6k

Elevation

Sea level

When is the best time to visit Manus Island?

For sunshine, the best time to visit Manus Island is January, then February and March. The dullest month is January (64/100, 268 mm of rain). The full month-by-month picture is in the table below.

How sunny is Manus Island?

Manus Island gets a moderate 2,141 hours of sunshine a year. Conditions barely change through the year — only 0 Sunshine Score points separate January from January. It ranks #11 of 37 destinations in Papua New Guinea for annual sunshine, above the national median of 2,055 hours. The year's 2,999 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

Sea temperature in Manus Island by month

The sea off Manus Island is warmest in January at around 31°C / 88°F, and coolest in February at 30°C / 86°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 Manus Island on the interactive sunshine globe →

Nearby places for sunshine

• Jayapura Indonesia · 769 km · best in Oct · 2,054 h sun/yr
• Port Moresby Papua New Guinea · 821 km · best in Jul · 2,354 h sun/yr
• Wamena Indonesia · 967 km · best in Jan · 1,717 h sun/yr
• Merauke Indonesia · 1,057 km · best in Aug · 2,324 h sun/yr
• Manokwari Indonesia · 1,492 km · best in Oct · 2,192 h sun/yr
• Honiara Solomon Islands · 1,619 km · best in Sep · 2,179 h sun/yr

Nearest destinations

• Kavieng Papua New Guinea · 380 km · 2,191 h sun/yr · best in Jan
• Madang Papua New Guinea · 394 km · 2,125 h sun/yr · best in Aug
• Wewak Papua New Guinea · 450 km · 2,009 h sun/yr · best in Jan
• Goroka Papua New Guinea · 501 km · 2,038 h sun/yr · best in Aug
• Kimbe Papua New Guinea · 503 km · 1,958 h sun/yr · best in Aug