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Warmest sea in South America in April

947 coastal locations in South America ranked by their typical April sea temperature. Region-wide average in April: 21.4°C. The top of the list is where to find the warmest swimming this month.

Warmest in April

Areia Branca (Salineiro Terminal)

29.5°C April mean in Brazil

Regional April average

21.4°C

across all 947 coastal locations in South America

Vs annual mean

+1.1°C

above the year-round regional average

What the South America sea feels like in April

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.

South America monthly average 18.1°C to 22.7°C
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  • Warmest month February 22.7°C
  • Coldest month August 18.1°C
  • Annual mean 20.4°C
  • Months above 20°C 7 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 America month rankings:

South America sea temperature map (live)

The map shows today's latest reading at every South America 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 America 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 Areia Branca (Salineiro Terminal) State of Sergipe 29.5°C
2 Luis Correla Piauí 29.4°C
3 Cabedelo (Rio Paraiba) Paraíba 29.4°C
4 Areia Branca Rio Grande do Norte 29.3°C
5 Covenas 29.3°C
6 Canoa Quebrada Ceara 29.3°C
7 Macau Rio Grande do Norte 29.3°C
8 Tutoia Maranhao 29.3°C
9 Porto de Natal Rio Grande do Norte 29.2°C
10 Pecem Ceara 29.2°C
11 Baia do Sancho Pernambuco 29.2°C
12 Fernando de Noronha Pernambuco 29.2°C
13 Cabedelo Paraiba 29.2°C
14 Joao Pessoa Paraiba 29.2°C
15 Acaraú Ceará 29.2°C
16 Maracajau Rio Grande do Norte 29.2°C
17 Ilha de Santana State of Maranhão 29.2°C
18 Jaboatão Pernambuco 29.2°C
19 Port of Pecem Ceara 29.1°C
20 Luis Correia Piaui 29.1°C
21 Natal Rio Grande do Norte 29.1°C
22 Pipa Rio Grande do Norte 29.1°C
23 Ponta Negra Rio Grande do Norte 29.1°C
24 Porto de Suape Pernambuco 29.1°C
25 Touros Rio Grande do Norte 29.1°C
Show 25 more ▸
26 Barra Grande Ceara 29.1°C
27 Paracuru Ceara 29.1°C
28 Caucaia Ceara 29.1°C
29 Cumbuco Ceara 29.1°C
30 Fortaleza Ceara 29.1°C
31 Jacuma Paraiba 29.1°C
32 Pitimbu Paraiba 29.1°C
33 Tambaba Paraiba 29.1°C
34 Porto de Mosqueiro Pará 29.1°C
35 Porto De Pedras Alagoas 29.1°C
36 Tolu 29.1°C
37 Itapissuma Pernambuco 29.1°C
38 Muro Alto Beach Pernambuco 29.1°C
39 Olinda Pernambuco 29.1°C
40 Paulista Pernambuco 29.1°C
41 Porto de Galinhas Pernambuco 29.1°C
42 Sao Jose de Ribamar Maranhao 29.1°C
43 Lencois Maranhenses Maranhao 29.0°C
44 Maceio Alagoas 29.0°C
45 Alcantara Maranhao 29.0°C
46 Itamaraca Pernambuco 29.0°C
47 Maracaipe Pernambuco 29.0°C
48 Maragogi Alagoas 29.0°C
49 Praia dos Carneiros Pernambuco 29.0°C
50 Sao Luis Maranhao 29.0°C

Coldest 10 in South America in April

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

# Location April mean
1 Weddell Sea Argentine Antarctica -1.8°C
2 Ronne Ice Shelf Argentine Antarctica -1.8°C
3 Scotia Bay Argentine Antarctica 0.2°C
4 Signy Island Argentine Antarctica 0.2°C
5 Port Stanley-A East Falkland 7.5°C
6 Diego Ramirez Magallanes Region 7.8°C
7 Puerto Vancouver Tierra del Fuego Province 7.8°C
8 Caleta Brent Tierra del Fuego Province 7.9°C
9 Bahia Crossley Tierra del Fuego 8.1°C
10 Puerto San Juan del Salvamento Tierra del Fuego 8.1°C

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