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Coldest sea in Papua New Guinea in December

71 coastal locations in Papua New Guinea ranked by typical December sea temperature, coldest first. Region-wide average in December: 29.9°C.

Coldest in December

Samarai

29.0°C December mean in Papua New Guinea

Regional December average

29.9°C

across all 71 coastal locations in Papua New Guinea

Vs annual mean

+0.6°C

above the year-round regional average

What the Papua New Guinea sea feels like in December

This water temperature is comparable to that of a swimming pool, but it might be higher than most open water swimmers prefer for serious swimming. Make sure to drink plenty of water before and after swimming and don't wear a wetsuit to avoid overheating.

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

Where December fits in the year

December sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Papua New Guinea month rankings:

Papua New Guinea sea temperature map (live)

The map shows today's latest reading at every Papua New Guinea location. The list below is based on the typical December mean.

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 coldest Papua New Guinea locations in December

Sorted by typical December mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location December mean
1 Samarai 29.0°C
2 Baiiri Island Milne Bay Province 29.0°C
3 Bonarua (Brumer) Island Milne Bay Province 29.1°C
4 Kanawea Island Milne Bay Province 29.2°C
5 Duchateau Islands Milne Bay Province 29.3°C
6 Delami Island Milne Bay Province 29.3°C
7 Dedele Point Central Province 29.4°C
8 Margarida Central Province 29.4°C
9 Kaligola Point Central Province 29.4°C
10 Kegawam Island Milne Bay Province 29.5°C
11 Port Moresby 29.6°C
12 Hati Lawi Harbour Milne Bay Province 29.6°C
13 Boia Boia Waga Milne Bay Province 29.7°C
14 East Cape Milne Bay Province 29.7°C
15 Wewak 29.7°C
16 Cape Deliverance Milne Bay Province 29.7°C
17 Aitape 29.8°C
18 Madang 29.8°C
19 Vanimo 29.8°C
20 Madang (Nagada Harbour) Madang Province 29.8°C
21 Milne Bay 29.8°C
22 Kerema 29.8°C
23 Sepik River East Sepik Province 29.8°C
24 Bogia Madang Province 29.8°C
25 Misima Milne Bay Province 29.8°C
Show 25 more ▸
26 Bobo Island Milne Bay Province 29.9°C
27 Merrie England Shoals Western Province 29.9°C
28 Saidor Madang Province 29.9°C
29 Wasu Morobe Province 29.9°C
30 Port Romilly Gulf Province 29.9°C
31 Bulavai Point Milne Bay Province 29.9°C
32 Daru 29.9°C
33 Kumul Tanker Mooring New Ireland Province 29.9°C
34 Sharp Island Milne Bay Province 29.9°C
35 Aigura Point Milne Bay Province 29.9°C
36 Alotau (Milne Bay) Milne Bay Province 29.9°C
37 Mutacomal Reef Western Province 29.9°C
38 Uramu Island Gulf Province 30.0°C
39 Mapamoiwa Milne Bay Province 30.0°C
40 Lorengau 30.0°C
41 Umuda Island Western Province 30.0°C
42 Umboi Island Morobe Province 30.0°C
43 Finschhafen 30.0°C
44 Kandrian 30.0°C
45 Kavieng 30.0°C
46 Dregerhafen Morobe Province 30.0°C
47 Kokopo 30.0°C
48 Point Stone Island Manus Province 30.1°C
49 Lombrum Manus Province 30.1°C
50 Duke of York Islands 30.1°C

Warmest 10 in Papua New Guinea in December

Same data the other way. The warmest spots for the same month.

# Location December mean
1 Kimbe Bay West New Britain Province 30.3°C
2 Talasea West New Britain Province 30.3°C
3 Caution Point Northern Province 30.3°C
4 Eve Shoal Northern Province 30.3°C
5 Oro Bay Northern Province 30.3°C
6 Arawa 30.3°C
7 Eleonora Bay West New Britain Province 30.3°C
8 Kieta 30.3°C
9 Tavanatangir Harbour East New Britain Province 30.3°C
10 Kimbe 30.3°C

More on this region