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Warmest sea in Australia and Oceania in May

1,649 coastal locations in Australia and Oceania ranked by their typical May sea temperature. Region-wide average in May: 23.5°C. The top of the list is where to find the warmest swimming this month.

Warmest in May

Kimbe Bay

30.5°C May mean in Papua New Guinea

Regional May average

23.5°C

across all 1,649 coastal locations in Australia and Oceania

Vs annual mean

+0.0°C

above the year-round regional average

What the Australia and Oceania sea feels like in May

Water at this temperature is very pleasant to swim in. If you tend to wear a wetsuit when swimming, you might consider removing it now to avoid the body overheating.

Australia and Oceania monthly average 21.3°C to 25.5°C
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  • Warmest month February 25.5°C
  • Coldest month August 21.3°C
  • Annual mean 23.5°C
  • Months above 20°C 12 of 12

Where May fits in the year

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

All twelve Australia and Oceania month rankings:

Australia and Oceania sea temperature map (live)

The map shows today's latest reading at every Australia and Oceania location. The list below is based on the typical May mean, useful for trip planning weeks or months ahead.

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 Australia and Oceania locations in May

Sorted by the typical May mean built from a decade of daily readings at each location. Click any place for its 30-day chart, monthly profile, and full 10-year history.

# Location May mean
1 Kimbe Bay West New Britain Province 30.5°C
2 Talasea West New Britain Province 30.5°C
3 Eleonora Bay West New Britain Province 30.4°C
4 Tavanatangir Harbour East New Britain Province 30.4°C
5 Kimbe 30.4°C
6 Soroken Bougainville 30.3°C
7 Torokina Bougainville 30.3°C
8 Helen Reef Hatohobei 30.2°C
9 Lombrum Manus Province 30.2°C
10 Gizo Harbour Western Province 30.2°C
11 Ambitle Island New Ireland Province 30.2°C
12 Point Stone Island Manus Province 30.2°C
13 Torakina 30.2°C
14 Lolomo Passage Western Province 30.2°C
15 Anewa Bay Bougainville 30.2°C
16 Carteret Islands 30.2°C
17 Sepik River East Sepik Province 30.2°C
18 Marovo Lagoon (Karunohu Island) Western Province 30.2°C
19 Monggo Passage Western Province 30.2°C
20 Bogia Madang Province 30.1°C
21 Munda (Nasa Zonga Island) Western Province 30.1°C
22 Rendova Island Western Province 30.1°C
23 Roviana Lagoon (Mbaraulu) Western Province 30.1°C
24 Namatanai 30.1°C
25 Arawa 30.1°C
Show 25 more ▸
26 Kieta 30.1°C
27 Lorengau 30.1°C
28 Rabaul 30.1°C
29 Gizo 30.1°C
30 Malaghara Island Isabel Province 30.1°C
31 Maleivona Island Isabel Province 30.1°C
32 Nikomaroro Choiseul 30.1°C
33 Katurasele Choiseul Province 30.1°C
34 Sasamungga Choiseul Province 30.1°C
35 Sikopo Island Isabel Province 30.1°C
36 Thousand Ships Bay Isabel Province 30.1°C
37 Yandina Central Province 30.1°C
38 Duke of York Islands 30.1°C
39 Kavieng 30.1°C
40 Aitape 30.1°C
41 Vanimo 30.1°C
42 Kokopo 30.0°C
43 Madang (Nagada Harbour) Madang Province 30.0°C
44 Wewak 30.0°C
45 Tarekukure Wharf Choiseul Province 30.0°C
46 Kapingamarangi 30.0°C
47 Vaitupu 30.0°C
48 Saidor Madang Province 30.0°C
49 Kwai Harbour Malaita Province 30.0°C
50 Lambi Bay Guadalcanal Province 30.0°C

Coldest 10 in Australia and Oceania in May

Same data the other way. Helpful if you want to know which Australia and Oceania coasts to avoid for swimming in May.

# Location May mean
1 Heard Island Australian external territory 3.1°C
2 Macquarie Island Tasmania 5.7°C
3 Campbell Island/Motu Ihupuku - Perseverance Harbour New Zealand Outlying Islands 8.6°C
4 Auckland Island - Carnley Harbour Auckland 10.0°C
5 Kaka Point 12.2°C
6 Dunedin 12.3°C
7 Portobello 12.3°C
8 Green Island Otago 12.7°C
9 Port Chalmers Otago 12.8°C
10 Spit Wharf Otago 12.8°C

More on this region