Umboi Island

Island Volcanic island in Papua New Guinea's Vitiaz Strait

Volcanic Umboi Island in Morobe Province offers rugged coasts, coral reefs for diving, and coastal villages where Tok Pisin and local languages are spoken; visitors come for snorkeling, birdwatching and to study wartime sites and islander life.

Main image
Main image
Umboi Island
-5.6311, 147.9129

How to Get to Umboi Island #

Umboi Island is reached by regional boat services or chartered vessel from the Morobe Province mainland (e.g., Lae) or nearby islands; air access is limited. Timetables are irregular and weather-dependent, so coordinate with local operators in advance.

Tips for Visiting Umboi Island #

  • Inter-island transport is irregular - check local schedules carefully and be prepared for weather cancellations.
  • If staying overnight, bring mosquito protection and modest supplies; island facilities are limited.
  • Respect local customary protocols; villages on Umboi have strong community traditions and visiting houses requires permission.

Best Time to Visit Umboi Island #

Dry season (May-October) for better sea conditions and access; always confirm local transport availability.

Dry season
May-October · 24-30°C
Calmer seas and more reliable boat services for island-hopping.
Wet season
November-April · 24-28°C
Heavier rains and rougher seas; travel may be disrupted and overland paths become muddy.

Weather & Climate near Umboi Island #

Climate

Umboi Island's climate is classified as Tropical Rainforest - Tropical Rainforest climate with consistently warm temperatures year-round. Temperatures range from 19°C to 28°C. Heavy rainfall (2954 mm/year), wettest in January.

Temperature & Rainfall
Temperature Range
28°
Warmest Month
19°
Coldest Month
Monthly Conditions

January

January is mild with highs of 28°C and lows of 20°C. The wettest month with heavy rain (408 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
20° 28°

Weather

408 mm
Rainfall
2.5 m/s
Wind
Calm

February

February is the warmest month with highs of 28°C and lows of 20°C. Heavy rain (372 mm).

Comfort

24°
Feels Like Warm
24°C
Temperature
20° 28°

Weather

372 mm
Rainfall
2.6 m/s
Wind
Calm

March

March is mild with highs of 28°C and lows of 20°C. Heavy rain (373 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
20° 28°

Weather

373 mm
Rainfall
2.8 m/s
Wind
Calm

April

April is mild with highs of 28°C and lows of 20°C. Heavy rain (263 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
20° 28°

Weather

263 mm
Rainfall
2.0 m/s
Wind
Calm

May

May is mild with highs of 28°C and lows of 20°C. Heavy rain (208 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
20° 28°

Weather

208 mm
Rainfall
2.2 m/s
Wind
Calm

June

June is mild with highs of 26°C and lows of 20°C. Significant rainfall (188 mm).

Comfort

23°
Feels Like Mild
23°C
Temperature
20° 26°

Weather

188 mm
Rainfall
2.5 m/s
Wind
Calm

July

July is mild with highs of 27°C and lows of 19°C. Significant rainfall (155 mm).

Comfort

23°
Feels Like Mild
23°C
Temperature
19° 27°

Weather

155 mm
Rainfall
2.7 m/s
Wind
Calm

August

August is mild with highs of 26°C and lows of 19°C. Significant rainfall (155 mm).

Comfort

23°
Feels Like Mild
23°C
Temperature
19° 27°

Weather

155 mm
Rainfall
2.8 m/s
Wind
Calm

September

September is mild with highs of 28°C and lows of 20°C. Significant rainfall (122 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
20° 28°

Weather

122 mm
Rainfall
2.7 m/s
Wind
Calm

October

October is mild with highs of 27°C and lows of 20°C. Significant rainfall (181 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
20° 27°

Weather

181 mm
Rainfall
2.3 m/s
Wind
Calm

November

November is mild with highs of 28°C and lows of 20°C. Heavy rain (203 mm).

Comfort

24°
Feels Like Mild
24°C
Temperature
20° 28°

Weather

203 mm
Rainfall
1.9 m/s
Wind
Calm

December

December is warm with highs of 28°C and lows of 20°C. Heavy rain (326 mm).

Comfort

24°
Feels Like Warm
24°C
Temperature
20° 28°

Weather

326 mm
Rainfall
2.0 m/s
Wind
Calm

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