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Coldest sea in Papua New Guinea in October

71 coastal locations in Papua New Guinea ranked by typical October sea temperature, coldest first. Region-wide average in October: 28.9°C.

Coldest in October

Dedele Point

26.7°C October mean in Papua New Guinea

Regional October average

28.9°C

across all 71 coastal locations in Papua New Guinea

Vs annual mean

-0.3°C

below the year-round regional average

What the Papua New Guinea sea feels like in October

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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  • 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 October fits in the year

October 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 October 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 October

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

# Location October mean
1 Dedele Point Central Province 26.7°C
2 Delami Island Milne Bay Province 26.7°C
3 Margarida Central Province 26.7°C
4 Kaligola Point Central Province 26.8°C
5 Bonarua (Brumer) Island Milne Bay Province 26.9°C
6 Samarai 26.9°C
7 Port Moresby 27.0°C
8 Baiiri Island Milne Bay Province 27.2°C
9 Duchateau Islands Milne Bay Province 27.6°C
10 Kanawea Island Milne Bay Province 27.7°C
11 Bobo Island Milne Bay Province 27.8°C
12 Daru 27.8°C
13 Merrie England Shoals Western Province 27.8°C
14 Mutacomal Reef Western Province 27.8°C
15 Hati Lawi Harbour Milne Bay Province 27.9°C
16 Umuda Island Western Province 28.0°C
17 Goaribari Island Gulf Province 28.2°C
18 Kumul Tanker Mooring New Ireland Province 28.2°C
19 Kegawam Island Milne Bay Province 28.3°C
20 Milne Bay 28.3°C
21 Uramu Island Gulf Province 28.3°C
22 Port Romilly Gulf Province 28.3°C
23 Boia Boia Waga Milne Bay Province 28.3°C
24 East Cape Milne Bay Province 28.3°C
25 Cape Deliverance Milne Bay Province 28.4°C
Show 25 more ▸
26 Aigura Point Milne Bay Province 28.4°C
27 Alotau (Milne Bay) Milne Bay Province 28.4°C
28 Kerema 28.4°C
29 Mapamoiwa Milne Bay Province 28.6°C
30 Misima Milne Bay Province 28.6°C
31 Sharp Island Milne Bay Province 28.8°C
32 Finschhafen 28.9°C
33 Bulavai Point Milne Bay Province 28.9°C
34 Tufi Harbour Northern Province 28.9°C
35 Kandrian 29.0°C
36 Dregerhafen Morobe Province 29.0°C
37 Eve Shoal Northern Province 29.2°C
38 Oro Bay Northern Province 29.2°C
39 Caution Point Northern Province 29.2°C
40 Wasu Morobe Province 29.2°C
41 Saidor Madang Province 29.4°C
42 Lae Morobe Province 29.4°C
43 Madang (Nagada Harbour) Madang Province 29.5°C
44 Madang 29.5°C
45 Umboi Island Morobe Province 29.6°C
46 Bogia Madang Province 29.6°C
47 Sepik River East Sepik Province 29.7°C
48 Wewak 29.8°C
49 Torakina 29.9°C
50 Torokina Bougainville 29.9°C

Warmest 10 in Papua New Guinea in October

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

# Location October mean
1 Kimbe Bay West New Britain Province 30.3°C
2 Talasea West New Britain Province 30.3°C
3 Kimbe 30.3°C
4 Eleonora Bay West New Britain Province 30.3°C
5 Tavanatangir Harbour East New Britain Province 30.2°C
6 Kavieng 30.1°C
7 Carteret Islands 30.1°C
8 Rabaul 30.1°C
9 Lorengau 30.1°C
10 Point Stone Island Manus Province 30.1°C

More on this region