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Warmest sea in South Africa in April

115 coastal locations in South Africa ranked by their typical April sea temperature. Region-wide average in April: 18.5°C. The top of the list is where to find the warmest swimming this month.

Warmest in April

Kosi Bay

26.6°C April mean in South Africa

Regional April average

18.5°C

across all 115 coastal locations in South Africa

Vs annual mean

+0.1°C

above the year-round regional average

What the South Africa sea feels like in April

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 April fits in the year

April 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 April 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 South Africa locations in April

Sorted by the typical April 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 April mean
1 Kosi Bay KwaZulu-Natal 26.6°C
2 Cape Vidal KwaZulu-Natal 26.5°C
3 Sodwana Bay 26.4°C
4 Saint Lucia KwaZulu-Natal 26.2°C
5 St Lucia 26.1°C
6 Richards Bay 25.6°C
7 Margate 25.4°C
8 Port Shepstone 25.4°C
9 Shelly Beach KwaZulu-Natal 25.3°C
10 Amanzimtoti 25.3°C
11 Umkomaas 25.3°C
12 Port Edward KwaZulu-Natal 25.1°C
13 Port Saint Johns 25.1°C
14 Scottburgh 25.1°C
15 Umhlanga 24.8°C
16 eSikhawini KwaZulu-Natal 24.8°C
17 Mtunzini KwaZulu-Natal 24.8°C
18 Coffee Bay 24.7°C
19 Ballitoville 24.5°C
20 Durban 24.5°C
21 Ballito KwaZulu-Natal 24.4°C
22 Salt Rock KwaZulu-Natal 24.4°C
23 Umdloti KwaZulu-Natal 24.4°C
24 Umhlanga Rocks KwaZulu-Natal 24.4°C
25 KwaZulu-Natal 24.4°C
Show 25 more ▸
26 Tugela River KwaZulu-Natal 24.3°C
27 East London 24.2°C
28 Mazeppa Bay Eastern Cape 24.0°C
29 Morgans Bay Eastern Cape 23.1°C
30 Wavecrest Eastern Cape 23.1°C
31 Chintsa Eastern Cape 23.0°C
32 Kidd's Beach Eastern Cape 22.8°C
33 Port Alfred 21.6°C
34 Kenton-on-Sea Eastern Cape 20.2°C
35 Port Alfred, South Africa Eastern Cape 19.7°C
36 Agulhas 19.4°C
37 Cape Agulhas 19.4°C
38 Struisbaai 19.4°C
39 Jeffreys Bay 19.2°C
40 Arniston 18.9°C
41 De Hoop Nature Reserve Western Cape 18.8°C
42 Infanta 18.8°C
43 Witsand 18.8°C
44 Cape Infanta Western Cape 18.6°C
45 Port Beaufort Western Cape 18.6°C
46 Port Elizabeth 18.5°C
47 Stilbaai 18.4°C
48 Plettenberg Bay 18.3°C
49 Cape Saint Francis Eastern Cape 18.1°C
50 St Francis Bay Eastern Cape 18.1°C

Coldest 10 in South Africa in April

Same data the other way. Helpful if you want to know which South Africa coasts to avoid for swimming in April.

# Location April mean
1 Marion Island Western Cape 7.0°C
2 Port Nolloth 13.7°C
3 Bloubergstrand 13.8°C
4 Buffels Bay Western Cape 13.8°C
5 Camps Bay 13.8°C
6 Cape Town 13.8°C
7 Clifton 13.8°C
8 Sea Point 13.8°C
9 Sunset Beach 13.8°C
10 Schrywers Hoek Western Cape 13.9°C

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