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Umboi Island

Island

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.

Umboi Island Port MoresbyMount HagenKokoda TrackRabaulUmboi Island
In this guide

Umboi Island essentials

Country: Papua New Guinea
Driest months: Jul-Sep
Pay in: Kina (K)
Language: English
Emergency: 000

Umboi Island at a Glance

When to Go

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.

Air Quality: AQI 35 Good
Temperature & Rainfall
Temperature Range
28°
Warmest Month
19°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January - 20° - 28° 24° 408 mm - - 2.5 m/s - -
February - 20° - 28° 24° 372 mm - - 2.6 m/s - -
March - 20° - 28° 24° 373 mm - - 2.8 m/s - -
April - 20° - 28° 24° 263 mm - - 2.0 m/s - -
May - 20° - 28° 24° 208 mm - - 2.2 m/s - -
June - 20° - 26° 23° 188 mm - - 2.5 m/s - -
July - 19° - 27° 23° 155 mm - - 2.7 m/s - -
August - 19° - 27° 23° 155 mm - - 2.8 m/s - -
September - 20° - 28° 24° 122 mm - - 2.7 m/s - -
October - 20° - 27° 24° 181 mm - - 2.3 m/s - -
November - 20° - 28° 24° 203 mm - - 1.9 m/s - -
December - 20° - 28° 24° 326 mm - - 2.0 m/s - -
Getting There & Around

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.