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Coldest sea in South Africa in August

115 coastal locations in South Africa ranked by typical August sea temperature, coldest first. Region-wide average in August: 16.8°C.

Coldest in August

Marion Island

5.3°C August mean in South Africa

Regional August average

16.8°C

across all 115 coastal locations in South Africa

Vs annual mean

-1.6°C

below the year-round regional average

What the South Africa sea feels like in August

At this temperature, water will feel cold compared to a swimming pool, but with a bit of experience and practice most people will find the water relatively comfortable to swim in.

South Africa monthly average 16.8°C to 20.4°C
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  • Warmest month February 20.4°C
  • Coldest month August 16.8°C
  • Annual mean 18.4°C
  • Months above 20°C 2 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 South Africa month rankings:

South Africa sea temperature map (live)

The map shows today's latest reading at every South Africa location. The list below is based on the typical August 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 South Africa locations in August

Sorted by typical August mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location August mean
1 Marion Island Western Cape 5.3°C
2 Port Nolloth 12.2°C
3 Alexander Bay 12.8°C
4 Hondeklip Bay 13.0°C
5 Elands Bay 13.2°C
6 Lamberts Bay Western Cape 13.2°C
7 St Helena Bay 13.5°C
8 Velddrif 13.5°C
9 Bloubergstrand 14.2°C
10 Camps Bay 14.2°C
11 Cape Town 14.2°C
12 Clifton 14.2°C
13 Sea Point 14.2°C
14 Sunset Beach 14.2°C
15 Paternoster 14.2°C
16 Buffels Bay Western Cape 14.3°C
17 Big Bay Western Cape 14.4°C
18 Robben Island Western Cape 14.4°C
19 Table Bay Western Cape 14.4°C
20 Boulders Beach 14.4°C
21 Fish Hoek 14.4°C
22 Glencairn Beach 14.4°C
23 Hout Bay 14.4°C
24 Kalk Bay 14.4°C
25 Kommetjie 14.4°C
Show 25 more
26 Melkbosstrand 14.4°C
27 Muizenberg 14.4°C
28 Noordhoek 14.4°C
29 Scarborough 14.4°C
30 Simon's Town 14.4°C
31 St James 14.4°C
32 Langebaan 14.5°C
33 Yzerfontein 14.6°C
34 Khayelitsha Western Cape 14.6°C
35 Schrywers Hoek Western Cape 14.6°C
36 Schrywershoek Western Cape 14.6°C
37 Saldanha 14.6°C
38 Pringle Bay 14.7°C
39 Milnerton 14.7°C
40 Llandudno Western Cape 14.8°C
41 Betty's Bay Western Cape 14.8°C
42 Rooiels Western Cape 14.8°C
43 De Hoop Nature Reserve Western Cape 14.8°C
44 Cape Point 14.9°C
45 Gansbaai 15.0°C
46 Pearly Beach 15.0°C
47 Gordon's Bay 15.0°C
48 Strand 15.0°C
49 Arniston 15.0°C
50 Gaansbaai Western Cape 15.0°C

Warmest 10 in South Africa in August

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

# Location August mean
1 Sodwana Bay 22.5°C
2 Kosi Bay KwaZulu-Natal 22.5°C
3 Cape Vidal KwaZulu-Natal 22.4°C
4 St Lucia 22.3°C
5 Saint Lucia KwaZulu-Natal 22.2°C
6 Richards Bay 21.8°C
7 Margate 21.8°C
8 Port Shepstone 21.7°C
9 Port Saint Johns 21.6°C
10 Amanzimtoti 21.6°C

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