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Warmest sea in South America in October

947 coastal locations in South America ranked by their typical October sea temperature. Region-wide average in October: 19.4°C. The top of the list is where to find the warmest swimming this month.

Warmest in October

Bahia el Tablazo

30.4°C October mean in Venezuela

Regional October average

19.4°C

across all 947 coastal locations in South America

Vs annual mean

-1.0°C

below the year-round regional average

What the South America sea feels like in October

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 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 October fits in the year

October 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 October 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 October

Sorted by the typical October 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 October mean
1 Bahia el Tablazo Zulia 30.4°C
2 El Toro Zulia 30.4°C
3 Punta de Palmas Zulia 30.4°C
4 Malecon Zulia 30.3°C
5 Cabimas 30.2°C
6 El Toro 30.2°C
7 Maracaibo 30.2°C
8 Tia Juana 30.2°C
9 Macapa Amapa 30.0°C
10 Santana Amapa 30.0°C
11 Ilha Do Brigue State of Amapá 30.0°C
12 Tolu 29.9°C
13 Covenas 29.9°C
14 Baru Island 29.9°C
15 Mountain San Andres and Providencia 29.8°C
16 Cartagena 29.8°C
17 La Boquilla 29.8°C
18 Tintipan Island 29.8°C
19 Cocal State of Amapá 29.8°C
20 Rosario Islands 29.8°C
21 Puebloviejo 29.8°C
22 Demarara Light Buoy Demerara-Mahaica 29.8°C
23 Charity Pomeroon-Supenaam 29.7°C
24 Barranquilla 29.6°C
25 Puerto Colombia 29.6°C
Show 25 more ▸
26 San Andres 29.6°C
27 Belfield Demerara-Mahaica 29.6°C
28 Linden Upper Demerara-Berbice 29.6°C
29 Providencia island 29.6°C
30 Georgetown 29.6°C
31 Santa Marta 29.6°C
32 Taganga 29.5°C
33 Tayrona 29.5°C
34 Arboletes 29.5°C
35 Guajira 29.5°C
36 Punta Waini Barima-Waini 29.5°C
37 Acandi 29.5°C
38 Capurgana 29.5°C
39 Puerto de Hierro Sucre 29.5°C
40 Necocli 29.4°C
41 Riohacha 29.4°C
42 Puerto La Guaira Vargas 29.4°C
43 Playa Cepe 29.4°C
44 Catia La Mar Vargas 29.4°C
45 Los Roques 29.4°C
46 Turbo 29.3°C
47 Gran Roque 29.3°C
48 Rosignol 29.3°C
49 Choroni 29.3°C
50 Cayo Sombrero 29.3°C

Coldest 10 in South America in October

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

# Location October mean
1 Ronne Ice Shelf Argentine Antarctica -1.8°C
2 Weddell Sea Argentine Antarctica -1.8°C
3 Signy Island Argentine Antarctica -1.5°C
4 Scotia Bay Argentine Antarctica -1.5°C
5 Rio Grande 5.1°C
6 Caleta la Mision Tierra del Fuego 5.1°C
7 Tierra del Fuego 5.1°C
8 Bahía San Sebastián Tierra del Fuego 5.4°C
9 Cabo Virgenes Santa Cruz 5.5°C
10 Magellan Strait East Entrance Magallanes Region 5.5°C

More on this region