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Warmest sea in Australia and Oceania in August

1,649 coastal locations in Australia and Oceania ranked by their typical August sea temperature. Region-wide average in August: 21.3°C. The top of the list is where to find the warmest swimming this month.

Warmest in August

Kapingamarangi

30.1°C August mean in Micronesia

Regional August average

21.3°C

across all 1,649 coastal locations in Australia and Oceania

Vs annual mean

-2.2°C

below the year-round regional average

What the Australia and Oceania sea feels like in August

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 August fits in the year

August 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 August 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 August

Sorted by the typical August 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 August mean
1 Kapingamarangi 30.1°C
2 Nukuoro 30.0°C
3 Agrihan 30.0°C
4 Pagan Island, Marianas Northern Islands 30.0°C
5 Namoluk Atoll, Chuuk, FSM Chuuk 30.0°C
6 Kosrae 30.0°C
7 Kuttu 30.0°C
8 Lukunor 30.0°C
9 Namoluk 30.0°C
10 Tafunsak 30.0°C
11 Utwe 30.0°C
12 Kolonia 30.0°C
13 Lelu 30.0°C
14 Madolenihmw 30.0°C
15 Malem 30.0°C
16 Moro Tu Chuuk 30.0°C
17 Oneop 30.0°C
18 Pohnpei 30.0°C
19 Satawan Anchorage, Nomoi Islands, Chuuk, FSM Chuuk 30.0°C
20 Tofol 30.0°C
21 Saipan Harbor, Saipan Island, Marianas Saipan 30.0°C
22 Tanapag Harbor, Saipan Island, Marianas Saipan 30.0°C
23 Oroluk Island Pohnpei 29.9°C
24 Satawan 29.9°C
25 Ta 29.9°C
Show 25 more ▸
26 Pingelap 29.9°C
27 Tinian Island, Marianas Tinian 29.9°C
28 Kosrae Island Kosrae 29.9°C
29 Losap Atoll, Chuuk, FSM Chuuk 29.9°C
30 Saipan 29.9°C
31 Susupe 29.9°C
32 Tinian 29.9°C
33 Losap 29.9°C
34 Nema 29.9°C
35 Pohnpei Pohnpei 29.9°C
36 Rota Island Rota Island 29.9°C
37 Rota 29.9°C
38 Moch 29.9°C
39 Maug Islands 29.9°C
40 Chuuk Lagoon 29.9°C
41 Faichuk islands 29.9°C
42 Murilo Atoll, Hall Islands, Chuuk, FSM Chuuk 29.9°C
43 San Jose 29.9°C
44 Weno Town 29.9°C
45 Woleai Island Yap 29.9°C
46 Dededo 29.9°C
47 Tamuning 29.9°C
48 Tumon 29.9°C
49 Ifalik Atoll, Caroline Islands, FSM Yap 29.9°C
50 Nomwin Atoll, Hall Islands, Chuuk, FSM Chuuk 29.9°C

Coldest 10 in Australia and Oceania in August

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

# Location August mean
1 Heard Island Australian external territory 1.9°C
2 Macquarie Island Tasmania 4.6°C
3 Campbell Island/Motu Ihupuku - Perseverance Harbour New Zealand Outlying Islands 7.5°C
4 Auckland Island - Carnley Harbour Auckland 8.7°C
5 Timaru 9.6°C
6 Sumner 9.6°C
7 Akaroa 9.8°C
8 Christchurch 9.8°C
9 Lyttelton 9.8°C
10 French Bay Canterbury 10.1°C

More on this region