Skip to content
seatemperatures.net

Warmest sea in Australia in August

954 coastal locations in Australia ranked by their typical August sea temperature. Region-wide average in August: 20.0°C. The top of the list is where to find the warmest swimming this month.

Warmest in August

The Boxers

27.5°C August mean in Australia

Regional August average

20.0°C

across all 954 coastal locations in Australia

Vs annual mean

-2.9°C

below the year-round regional average

What the Australia 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 monthly average 20.0°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 20.0°C
  • Annual mean 22.9°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 month rankings:

Australia sea temperature map (live)

The map shows today's latest reading at every Australia 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 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 The Boxers Northern Territory 27.5°C
2 Dillon Shoal Western Australia 27.5°C
3 Newby Shoal Northern Territory 27.4°C
4 Unnamed Shoal Northern Territory 27.4°C
5 Jabiru Northern Territory 27.3°C
6 Pee Shoal Western Australia 27.3°C
7 Calder Shoal Northern Territory 27.3°C
8 Echo Shoal Western Australia 27.3°C
9 Point Fawcett (Offshore) Northern Territory 27.2°C
10 Ashmore Reef Queensland 27.1°C
11 Skua No. 4 Well Western Australia 27.1°C
12 Heywood Shoal Western Australia 27.1°C
13 Browse Island Western Australia 27.1°C
14 Cape Van Dieman Northern Territory 27.1°C
15 St. Asaph Bay Northern Territory 27.1°C
16 Maret Island Western Australia 27.1°C
17 Scott Reef (Wa) Western Australia 27.1°C
18 Loxton Shoal Northern Territory 27.0°C
19 Goodrich Bank Northern Territory 27.0°C
20 Snake Bay Northern Territory 27.0°C
21 Beagle A Northern Territory 27.0°C
22 Evans Shoal Northern Territory 27.0°C
23 Cache Point Northern Territory 26.9°C
24 Lynedoch Bank Northern Territory 26.9°C
25 Munkunuwa Northern Territory 26.9°C
Show 25 more ▸
26 White Island Western Australia 26.9°C
27 Van Cloon Shoal Western Australia 26.9°C
28 Fish Reef Northern Territory 26.9°C
29 Medina Inlet South Northern Territory 26.9°C
30 Darwin Northern Territory 26.8°C
31 Fannie Bay Northern Territory 26.8°C
32 Larrakeyah Northern Territory 26.8°C
33 Nightcliff Northern Territory 26.8°C
34 Parap Northern Territory 26.8°C
35 Stuart Park Northern Territory 26.8°C
36 Parsons Bank Northern Territory 26.8°C
37 Arafura Sea Northern Territory 26.8°C
38 Burge Point Northern Territory 26.8°C
39 Cape Crocker Offshore Northern Territory 26.8°C
40 Native Point Northern Territory 26.8°C
41 Tapa Bay Northern Territory 26.8°C
42 Hancox Shoal Area Northern Territory 26.8°C
43 Glyde Point Northern Territory 26.8°C
44 Cape Hotham Northern Territory 26.7°C
45 Adele Island Western Australia 26.7°C
46 Degerando Island Western Australia 26.7°C
47 Money Shoal Northern Territory 26.7°C
48 Point Jahleel (Off) Northern Territory 26.7°C
49 Chambers Bay Northern Territory 26.6°C
50 Point Stuart Northern Territory 26.6°C

Coldest 10 in Australia in August

Same data the other way. Helpful if you want to know which Australia 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 Balnarring Victoria 11.1°C
4 Black Rock Victoria 11.1°C
5 Cowes Victoria 11.1°C
6 Flinders Victoria 11.1°C
7 Hampton Victoria 11.1°C
8 Mordialloc Victoria 11.1°C
9 Mount Martha Victoria 11.1°C
10 Parkdale Victoria 11.1°C

More on this region