Skip to content
seatemperatures.net

Coldest sea in Australia and Oceania in October

1,649 coastal locations in Australia and Oceania ranked by typical October sea temperature, coldest first. Region-wide average in October: 22.6°C.

Coldest in October

Heard Island

1.8°C October mean in Australia

Regional October average

22.6°C

across all 1,649 coastal locations in Australia and Oceania

Vs annual mean

-0.9°C

below the year-round regional average

What the Australia and Oceania sea feels like in October

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
J
F
M
A
M
J
J
A
S
O
N
D
  • 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 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 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 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 Australia and Oceania 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 Heard Island Australian external territory 1.8°C
2 Macquarie Island Tasmania 4.9°C
3 Campbell Island/Motu Ihupuku - Perseverance Harbour New Zealand Outlying Islands 7.4°C
4 Auckland Island - Carnley Harbour Auckland 8.5°C
5 Kaka Point 10.9°C
6 Dunedin 10.9°C
7 Portobello 10.9°C
8 Snares Islands/Tini Heke - North East Island New Zealand Outlying Islands 11.0°C
9 Green Island Otago 11.2°C
10 Port Chalmers Otago 11.3°C
11 Spit Wharf Otago 11.3°C
12 Nugget Point Otago 11.4°C
13 Stewart Island 11.6°C
14 Ruapuke Island Southland 11.6°C
15 Port Adventure Southland 11.6°C
16 Waikawa Harbour Southland 11.6°C
17 Waipapa Point Southland 11.7°C
18 Bluff Southland 11.7°C
19 Dog Island Southland 11.7°C
20 Oban Southland 11.7°C
21 Oamaru Otago 11.8°C
22 Invercargill 11.8°C
23 New River Entrance Southland 11.8°C
24 Owenga Chatham Islands Territory 11.9°C
25 Riverton/Aparima Southland 11.9°C
Show 25 more ▸
26 Riverton 11.9°C
27 Solander Island (Hautere) Southland 11.9°C
28 Easy Harbour Southland 11.9°C
29 Small Craft Retreat Southland 11.9°C
30 Waitangi Chatham Islands Territory 12.0°C
31 Kaingaroa Chatham Islands Territory 12.0°C
32 Yankee River Southland 12.0°C
33 Kawakaputa Bay Southland 12.0°C
34 Ernest Islands Southland 12.1°C
35 French Bay Canterbury 12.1°C
36 Tikao Bay Canterbury 12.1°C
37 Pahia 12.1°C
38 Timaru 12.1°C
39 Christchurch 12.2°C
40 Lyttelton 12.2°C
41 Akaroa 12.2°C
42 Sumner 12.2°C
43 Kaikoura 12.3°C
44 Port Craig Southland 12.3°C
45 Chalky Island - Sealers Bay Southland 12.3°C
46 Coal Island - Fishing Bay Southland 12.3°C
47 Jane Coves Southland 12.3°C
48 Welcombe Bay Southland 12.3°C
49 Bramble Cove Tasmania 12.5°C
50 Austins Ferry Tasmania 12.5°C

Warmest 10 in Australia and Oceania in October

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

# Location October mean
1 Burge Point Northern Territory 30.4°C
2 Kimbe Bay West New Britain Province 30.3°C
3 Talasea West New Britain Province 30.3°C
4 Anson Bay Northern Territory 30.3°C
5 Native Point Northern Territory 30.3°C
6 Kimbe 30.3°C
7 Eleonora Bay West New Britain Province 30.3°C
8 Namoluk 30.3°C
9 Point Jenny Northern Territory 30.3°C
10 Kuttu 30.2°C

More on this region