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Coldest sea in South America in April

947 coastal locations in South America ranked by typical April sea temperature, coldest first. Region-wide average in April: 21.4°C.

Coldest in April

Weddell Sea

-1.8°C April mean in Argentina

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.

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 America locations in April

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

# 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
11 Isla Observatorio Tierra del Fuego Province 8.2°C
12 Isla de los Estados 8.2°C
13 Cape Horn 8.3°C
14 Punta Arenas 8.3°C
15 Strait of Magellan 8.3°C
16 Punta Delgada Magallanes y la Antártica Chilena 8.4°C
17 Bahia Buen Suceso Tierra del Fuego 8.4°C
18 Ushuaia 8.4°C
19 Puerto Williams 8.4°C
20 Bleaker Island East Falkland 8.4°C
21 Tierra del Fuego 8.4°C
22 Argentino Lake 8.5°C
23 El Calafate 8.5°C
24 Viedma Lake 8.5°C
25 Adventure Sound East Falkland 8.5°C
Show 25 more ▸
26 Fanny Cove Creek East Falkland 8.6°C
27 North Arm East Falkland 8.6°C
28 Puerto Toro 8.6°C
29 Bahía San Sebastián Tierra del Fuego 8.6°C
30 Bahia Aguirre Tierra del Fuego 8.7°C
31 Bahia Thetis Tierra del Fuego Province 8.7°C
32 Port Stephens West Falkland 8.7°C
33 Caleta San Martin Magallanes and Chilean Antarctica 8.7°C
34 Fitzroy Creek East Falkland 8.7°C
35 Fox Bay West Falkland 8.7°C
36 New Island North West Islands 8.7°C
37 Albemarle West Falkland 8.8°C
38 Cabo Posesion Magallanes y la Antártica Chilena 8.8°C
39 Stanley 8.9°C
40 Caleta la Mision Tierra del Fuego 8.9°C
41 Lively Settlement East Falkland 8.9°C
42 Mare Harbour East Falkland 8.9°C
43 Punta Catalina Magallanes y la Antártica Chilena 8.9°C
44 Puerto Natales 8.9°C
45 Berkeley Sound Lafonia 9.0°C
46 Port Stanley-B East Falkland 9.0°C
47 Cabo Virgenes Santa Cruz 9.1°C
48 Magellan Strait East Entrance Magallanes Region 9.1°C
49 Punta Dungeness Magallanes y la Antártica Chilena 9.1°C
50 Rio Grande 9.1°C

Warmest 10 in South America in April

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

# 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

More on this region