Goodenough Island

Island Milne Bay island notable for WWII battles

In Milne Bay Province, Goodenough Island offers WWII relics, coral reefs for diving, and traditional village life reachable by boat from nearby islands.

Main image

Goodenough Island is a volcanic island in Milne Bay Province, Papua New Guinea, forming part of the D’Entrecasteaux island group. The island has a rugged interior of rainforest-covered hills and a fringing coastline of reefs and beaches.

Visitors and researchers find traditional coastal villages, rainforest habitats, and coral reef diving along the shore. The island also contains sites and relics associated with military operations during World War II that attract historical interest.

During the Pacific War the island saw action in 1942 and was occupied or contested by Allied and Japanese forces, leaving military traces on the landscape. Local communities have long used the island for subsistence agriculture and customary activities.

Goodenough Island lies off the eastern tip of New Guinea within Milne Bay Province. It is relatively remote, reached by boat from mainland Milne Bay or other islands in the D’Entrecasteaux group.

  • Island group and province: Part of Milne Bay Province and the broader D'Entrecasteaux island group, the island combines volcanic highlands with coastal reef systems.
  • World War II history: Was the scene of military action during World War II in 1942, leaving a number of wartime sites and relics on the island.

What to See #

  • Mount Vineuo (principal summit): The island's central volcanic massif with steep slopes and rainforest interior, rising to its principal summit and forming the dominant topographic feature.
  • Coastal sites and WWII relics: Coastal beaches, reefs and wartime landing sites that are visited for diving and for traces of World War II activity along the shoreline.
Goodenough Island
-9.3426, 150.2385

How to Get to Goodenough Island #

Access is by boat or small aircraft from provincial hubs like Alotau in Milne Bay Province. Regular commercial services are limited; charter boats and flights are the common routes. Plan logistics well in advance.

Tips for Visiting Goodenough Island #

  • If visiting by boat, arrange seasoned local captains who know the reefs and weather patterns; navigation around the island can be tricky.
  • Goodenough Island has WWII relics and cemeteries - bring respectful curiosity and local guides to interpret the sites.
  • Accommodation is limited; plan to camp or arrange lodgings in nearby larger islands and expect basic facilities.

Best Time to Visit Goodenough Island #

The dry season (May-October) offers more reliable weather for boat access and outdoor activities.

Dry season
May-October · 24-30°C (75-86°F)
Calmer seas and clearer skies; best for boat travel and diving.
Wet season
November-April · 25-31°C (77-88°F)
Heavy rains and rough seas; travel can be unpredictable and some services limited.

Weather & Climate near Goodenough Island #

Climate

Goodenough Island's climate is classified as Tropical Rainforest - Tropical Rainforest climate with consistently warm temperatures year-round. Temperatures range from 15°C to 25°C. Heavy rainfall (2898 mm/year), wettest in March.

Temperature & Rainfall
Temperature Range
25°
Warmest Month
15°
Coldest Month
Monthly Conditions

January

January is mild with highs of 25°C and lows of 16°C. Heavy rain (287 mm).

Comfort

21°
Feels Like Mild
21°C
Temperature
16° 25°

Weather

287 mm
Rainfall
3.8 m/s
Wind
Light Breeze

February

February is the warmest month with highs of 25°C and lows of 16°C. Heavy rain (278 mm).

Comfort

21°
Feels Like Mild
21°C
Temperature
17° 25°

Weather

278 mm
Rainfall
3.9 m/s
Wind
Light Breeze

March

March is mild with highs of 25°C and lows of 16°C. The wettest month with heavy rain (301 mm).

Comfort

21°
Feels Like Mild
21°C
Temperature
16° 25°

Weather

301 mm
Rainfall
3.7 m/s
Wind
Light Breeze

April

April is mild with highs of 24°C and lows of 16°C. Heavy rain (247 mm).

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 24°

Weather

247 mm
Rainfall
2.9 m/s
Wind
Calm

May

May is mild with highs of 23°C and lows of 16°C. Heavy rain (277 mm).

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 23°

Weather

277 mm
Rainfall
3.1 m/s
Wind
Light Breeze

June

June is mild with highs of 22°C and lows of 16°C. Heavy rain (257 mm).

Comfort

19°
Feels Like Mild
19°C
Temperature
16° 22°

Weather

257 mm
Rainfall
3.6 m/s
Wind
Light Breeze

July

July is mild with highs of 22°C and lows of 15°C. Significant rainfall (198 mm).

Comfort

19°
Feels Like Mild
19°C
Temperature
15° 22°

Weather

198 mm
Rainfall
4.1 m/s
Wind
Light Breeze

August

August is mild with highs of 22°C and lows of 15°C. Significant rainfall (180 mm).

Comfort

19°
Feels Like Mild
19°C
Temperature
15° 22°

Weather

180 mm
Rainfall
3.4 m/s
Wind
Light Breeze

September

September is mild with highs of 23°C and lows of 15°C. Heavy rain (239 mm).

Comfort

19°
Feels Like Mild
19°C
Temperature
15° 23°

Weather

239 mm
Rainfall
3.4 m/s
Wind
Light Breeze

October

October is mild with highs of 23°C and lows of 16°C. Heavy rain (239 mm).

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 23°

Weather

239 mm
Rainfall
3.0 m/s
Wind
Light Breeze

November

November is mild with highs of 24°C and lows of 16°C. Significant rainfall (166 mm).

Comfort

20°
Feels Like Mild
20°C
Temperature
16° 24°

Weather

166 mm
Rainfall
3.2 m/s
Wind
Light Breeze

December

December is mild with highs of 25°C and lows of 16°C. Heavy rain (229 mm).

Comfort

21°
Feels Like Mild
21°C
Temperature
16° 25°

Weather

229 mm
Rainfall
2.9 m/s
Wind
Calm

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