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Coldest sea in Papua New Guinea in January

71 coastal locations in Papua New Guinea ranked by typical January sea temperature, coldest first. Region-wide average in January: 30.0°C.

Coldest in January

Aitape

29.5°C January mean in Papua New Guinea

Regional January average

30.0°C

across all 71 coastal locations in Papua New Guinea

Vs annual mean

+0.8°C

above the year-round regional average

What the Papua New Guinea sea feels like in January

Water at this temperature is very warm and you should look to bathe only. Avoid any kind of strenuous swimming as there is a real risk of heat stroke at this temperature.

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

Where January fits in the year

January 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 January 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 January

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

# Location January mean
1 Aitape 29.5°C
2 Vanimo 29.5°C
3 Wewak 29.5°C
4 Kanawea Island Milne Bay Province 29.6°C
5 Samarai 29.6°C
6 Duchateau Islands Milne Bay Province 29.6°C
7 Sepik River East Sepik Province 29.6°C
8 Baiiri Island Milne Bay Province 29.7°C
9 Kegawam Island Milne Bay Province 29.7°C
10 Bogia Madang Province 29.8°C
11 Hati Lawi Harbour Milne Bay Province 29.8°C
12 Bonarua (Brumer) Island Milne Bay Province 29.8°C
13 Kaligola Point Central Province 29.9°C
14 Port Moresby 29.9°C
15 Daru 29.9°C
16 Madang 29.9°C
17 Bobo Island Milne Bay Province 29.9°C
18 Kerema 29.9°C
19 Merrie England Shoals Western Province 29.9°C
20 Misima Milne Bay Province 29.9°C
21 Dedele Point Central Province 29.9°C
22 Mutacomal Reef Western Province 29.9°C
23 Delami Island Milne Bay Province 29.9°C
24 Lorengau 29.9°C
25 Cape Deliverance Milne Bay Province 30.0°C
Show 25 more ▸
26 Madang (Nagada Harbour) Madang Province 30.0°C
27 Boia Boia Waga Milne Bay Province 30.0°C
28 East Cape Milne Bay Province 30.0°C
29 Margarida Central Province 30.0°C
30 Umboi Island Morobe Province 30.0°C
31 Finschhafen 30.0°C
32 Saidor Madang Province 30.0°C
33 Lombrum Manus Province 30.0°C
34 Point Stone Island Manus Province 30.0°C
35 Wasu Morobe Province 30.0°C
36 Eleonora Bay West New Britain Province 30.1°C
37 Umuda Island Western Province 30.1°C
38 Kokopo 30.1°C
39 Duke of York Islands 30.1°C
40 Kavieng 30.1°C
41 Milne Bay 30.1°C
42 Namatanai 30.1°C
43 Rabaul 30.1°C
44 Kimbe 30.1°C
45 Uramu Island Gulf Province 30.1°C
46 Bulavai Point Milne Bay Province 30.1°C
47 Kandrian 30.1°C
48 Port Romilly Gulf Province 30.1°C
49 Sharp Island Milne Bay Province 30.1°C
50 Carteret Islands 30.2°C

Warmest 10 in Papua New Guinea in January

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

# Location January mean
1 Torokina Bougainville 30.5°C
2 Torakina 30.4°C
3 Lae Morobe Province 30.4°C
4 Soroken Bougainville 30.4°C
5 Eve Shoal Northern Province 30.4°C
6 Oro Bay Northern Province 30.4°C
7 Tufi Harbour Northern Province 30.3°C
8 Anewa Bay Bougainville 30.3°C
9 Caution Point Northern Province 30.3°C
10 Arawa 30.2°C

More on this region