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Warmest sea in Papua New Guinea

71 coastal locations in Papua New Guinea ranked by their year-round average sea temperature. The regional average is 29.3°C. The top of the list shows where to find the warmest water in a typical year. The bottom shows the coldest year-round coasts of the region.

Warmest location

Kimbe Bay

30.2°C annual mean in Papua New Guinea

Regional average

29.3°C

across all 71 Papua New Guinea coastal locations

Warmest month

January

30.0°C region-wide average

Papua New Guinea monthly average 28.1°C to 30.0°C
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  • Warmest month January 30.0°C
  • Coldest month August 28.1°C
  • Annual mean 29.2°C
  • Months above 20°C 12 of 12

Month by month across Papua New Guinea

Sea temperatures in Papua New Guinea swing from 28.1°C in August to 30.0°C in January on average across every coast we track. That spread of 2°C hides much bigger swings at individual locations.

Want a specific month? Pick one for a dedicated ranking:

Papua New Guinea sea temperature map

Today's pin colours show the latest daily reading at every Papua New Guinea location we track. Pick any pin for the location's full page.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 warmest locations in Papua New Guinea

The warmest coastal locations across all of Papua New Guinea, sorted by year-round average. Click any place for its 30-day chart, monthly profile, and 10-year history.

# Location Annual mean
1 Kimbe Bay West New Britain Province 30.2°C
2 Talasea West New Britain Province 30.2°C
3 Tavanatangir Harbour East New Britain Province 30.1°C
4 Eleonora Bay West New Britain Province 30.1°C
5 Kimbe 30.1°C
6 Soroken Bougainville 30.0°C
7 Ambitle Island New Ireland Province 30.0°C
8 Anewa Bay Bougainville 30.0°C
9 Carteret Islands 30.0°C
10 Torokina Bougainville 30.0°C
11 Kavieng 30.0°C
12 Lombrum Manus Province 30.0°C
13 Point Stone Island Manus Province 30.0°C
14 Torakina 30.0°C
15 Arawa 30.0°C
16 Kieta 30.0°C
17 Namatanai 30.0°C
18 Lorengau 29.9°C
19 Rabaul 29.9°C
20 Duke of York Islands 29.9°C
21 Kokopo 29.9°C
22 Vanimo 29.7°C
23 Lae Morobe Province 29.6°C
24 Aitape 29.6°C
25 Umboi Island Morobe Province 29.6°C
Show 25 more ▸
26 Eve Shoal Northern Province 29.6°C
27 Oro Bay Northern Province 29.6°C
28 Sepik River East Sepik Province 29.6°C
29 Bogia Madang Province 29.6°C
30 Caution Point Northern Province 29.6°C
31 Wewak 29.5°C
32 Madang (Nagada Harbour) Madang Province 29.5°C
33 Saidor Madang Province 29.5°C
34 Dregerhafen Morobe Province 29.5°C
35 Wasu Morobe Province 29.5°C
36 Madang 29.4°C
37 Tufi Harbour Northern Province 29.4°C
38 Kandrian 29.4°C
39 Bulavai Point Milne Bay Province 29.3°C
40 Finschhafen 29.3°C
41 Sharp Island Milne Bay Province 29.2°C
42 Mapamoiwa Milne Bay Province 29.2°C
43 Aigura Point Milne Bay Province 29.1°C
44 Alotau (Milne Bay) Milne Bay Province 29.1°C
45 Misima Milne Bay Province 29.0°C
46 Boia Boia Waga Milne Bay Province 28.9°C
47 East Cape Milne Bay Province 28.9°C
48 Cape Deliverance Milne Bay Province 28.9°C
49 Milne Bay 28.9°C
50 Port Romilly Gulf Province 28.8°C

Coldest 10 in Papua New Guinea for contrast

Same data, sorted the other way. Useful if you want to know which Papua New Guinea coasts stay coldest year-round.

# Location Annual mean
1 Samarai 27.9°C
2 Bonarua (Brumer) Island Milne Bay Province 28.0°C
3 Kaligola Point Central Province 28.0°C
4 Dedele Point Central Province 28.1°C
5 Delami Island Milne Bay Province 28.1°C
6 Port Moresby 28.1°C
7 Baiiri Island Milne Bay Province 28.1°C
8 Margarida Central Province 28.1°C
9 Duchateau Islands Milne Bay Province 28.3°C
10 Daru 28.3°C

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