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Warmest sea in Australia and Oceania in January

1,649 coastal locations in Australia and Oceania ranked by their typical January sea temperature. Region-wide average in January: 25.3°C. The top of the list is where to find the warmest swimming this month.

Warmest in January

Albert River Mouth

31.4°C January mean in Australia

Regional January average

25.3°C

across all 1,649 coastal locations in Australia and Oceania

Vs annual mean

+1.8°C

above the year-round regional average

What the Australia and Oceania sea feels like in January

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.

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 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 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 January 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 January

Sorted by the typical January 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 January mean
1 Albert River Mouth Queensland 31.4°C
2 West Island Northern Territory 31.4°C
3 Gulf of Carpentaria Northern Territory 31.3°C
4 Centre Island Northern Territory 31.3°C
5 West Wellesley Islands Queensland 31.3°C
6 Cape Domett Western Australia 31.2°C
7 Shale Island Western Australia 31.2°C
8 Adolphus Island Western Australia 31.2°C
9 Quoin Island Northern Territory 31.2°C
10 Sweers Island Queensland 31.2°C
11 Australia Queensland 31.1°C
12 Mornington Island Queensland 31.1°C
13 Pelican Island Western Australia 31.1°C
14 Lacrosse Island Western Australia 31.1°C
15 Catfish Island Northern Territory 31.1°C
16 Valentine Island Western Australia 31.0°C
17 Jones Point Northern Territory 31.0°C
18 Lagrange Bay Western Australia 31.0°C
19 Port Keats Northern Territory 30.9°C
20 Lizard Island Western Australia 30.9°C
21 Depuch Island Western Australia 30.9°C
22 Port Usborne Western Australia 30.8°C
23 Milner Bay (Groote Eylandt) Northern Territory 30.8°C
24 Bountiful Island Queensland 30.8°C
25 Anson Bay Northern Territory 30.7°C
Show 25 more ▸
26 Cape Ford Northern Territory 30.7°C
27 Alyangula Northern Territory 30.7°C
28 Cape Scott Offshore Northern Territory 30.7°C
29 Hall Point Western Australia 30.7°C
30 Port Hedland Western Australia 30.6°C
31 Cape Boileau Western Australia 30.6°C
32 Cape Beatrice Northern Territory 30.6°C
33 Peron Island North Northern Territory 30.6°C
34 Reveley Island Western Australia 30.6°C
35 East Field Island Northern Territory 30.6°C
36 Hutchison River Northern Territory 30.6°C
37 West Alligator Head Northern Territory 30.6°C
38 Port Warrender Western Australia 30.6°C
39 Yampi Sound (Koolan Island) Western Australia 30.6°C
40 Chambers Bay Northern Territory 30.5°C
41 Point Stuart Northern Territory 30.5°C
42 Point Jenny Northern Territory 30.5°C
43 Nassau River Offshore Queensland 30.5°C
44 Jar Island Western Australia 30.5°C
45 Torokina Bougainville 30.5°C
46 Hawk Island Northern Territory 30.4°C
47 Native Point Northern Territory 30.4°C
48 Burge Point Northern Territory 30.4°C
49 Cape Baskerville Western Australia 30.4°C
50 Cape Hotham Northern Territory 30.4°C

Coldest 10 in Australia and Oceania in January

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

# Location January mean
1 Heard Island Australian external territory 3.3°C
2 Pis 3.6°C
3 Macquarie Island Tasmania 7.1°C
4 Campbell Island/Motu Ihupuku - Perseverance Harbour New Zealand Outlying Islands 9.6°C
5 Auckland Island - Carnley Harbour Auckland 10.8°C
6 Snares Islands/Tini Heke - North East Island New Zealand Outlying Islands 13.4°C
7 Stewart Island 13.9°C
8 Kaka Point 14.1°C
9 Dunedin 14.3°C
10 Portobello 14.3°C

More on this region