Warmest sea in South America in August

947 coastal locations in South America ranked by their typical August sea temperature. Region-wide average in August: 18.1°C. The top of the list is where to find the warmest swimming this month.

Warmest in August

Covenas

30.3°C August mean in Colombia

Regional August average

18.1°C

across all 947 coastal locations in South America

Vs annual mean

-2.3°C

below the year-round regional average

What the South America 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 America monthly average 18.1°C to 22.7°C

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 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 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 August 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 August

Sorted by the typical August 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	Country	August mean
1	Covenas	Colombia	30.3°C
2	Tolu	Colombia	30.3°C
3	Tintipan Island	Colombia	30.0°C
4	Baru Island	Colombia	29.9°C
5	Bahia el Tablazo Zulia	Venezuela	29.9°C
6	El Toro Zulia	Venezuela	29.9°C
7	Punta de Palmas Zulia	Venezuela	29.9°C
8	Malecon Zulia	Venezuela	29.8°C
9	Rosario Islands	Colombia	29.8°C
10	Ilha Do Brigue State of Amapá	Brazil	29.7°C
11	Punta Waini Barima-Waini	Guyana	29.7°C
12	Cabimas	Venezuela	29.7°C
13	El Toro	Venezuela	29.7°C
14	Maracaibo	Venezuela	29.7°C
15	Tia Juana	Venezuela	29.7°C
16	Arboletes	Colombia	29.6°C
17	Charity Pomeroon-Supenaam	Guyana	29.6°C
18	Belfield Demerara-Mahaica	Guyana	29.6°C
19	Demarara Light Buoy Demerara-Mahaica	Guyana	29.6°C
20	Linden Upper Demerara-Berbice	Guyana	29.6°C
21	Cartagena	Colombia	29.6°C
22	La Boquilla	Colombia	29.6°C
23	Necocli	Colombia	29.5°C
24	Barcarena Para	Brazil	29.5°C
25	Cameta Para	Brazil	29.5°C

Show 25 more ▸

26	Limoeiro do Ajuru Para	Brazil	29.5°C
27	Oeiras do Para Para	Brazil	29.5°C
28	Georgetown	Guyana	29.5°C
29	Porto de Mosqueiro Pará	Brazil	29.5°C
30	Belem Para	Brazil	29.4°C
31	Turbo	Colombia	29.4°C
32	Puerto de Hierro Sucre	Venezuela	29.4°C
33	Macapa Amapa	Brazil	29.4°C
34	Santana Amapa	Brazil	29.4°C
35	Cocal State of Amapá	Brazil	29.4°C
36	Costa de Oro	Uruguay	29.4°C
37	Acandi	Colombia	29.4°C
38	Capurgana	Colombia	29.4°C
39	Rosignol	Guyana	29.4°C
40	Ananindeua Para	Brazil	29.3°C
41	New Amsterdam	Guyana	29.3°C
42	Skeldon	Guyana	29.2°C
43	Ilha De Colares Pará	Brazil	29.1°C
44	Mountain San Andres and Providencia	Colombia	29.1°C
45	Ilha dos Guaras State of Pará	Brazil	29.0°C
46	Soure Para	Brazil	29.0°C
47	San Andres	Colombia	29.0°C
48	Providencia island	Colombia	29.0°C
49	Nieuw Nickerie	Surinam	29.0°C
50	Vigia Para	Brazil	28.9°C

Coldest 10 in South America in August

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

#	Location	Country	August mean
1	Ronne Ice Shelf Argentine Antarctica	Argentina	-1.8°C
2	Weddell Sea Argentine Antarctica	Argentina	-1.8°C
3	Signy Island Argentine Antarctica	Argentina	-1.7°C
4	Scotia Bay Argentine Antarctica	Argentina	-1.7°C
5	Caleta la Mision Tierra del Fuego	Argentina	3.0°C
6	Bahía San Sebastián Tierra del Fuego	Argentina	3.3°C
7	Rio Grande	Argentina	3.6°C
8	Tierra del Fuego	Argentina	3.9°C
9	Cabo Posesion Magallanes y la Antártica Chilena	Chile	3.9°C
10	Punta Catalina Magallanes y la Antártica Chilena	Chile	4.0°C