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Coldest sea in South America in July

947 coastal locations in South America ranked by typical July sea temperature, coldest first. Region-wide average in July: 18.2°C.

Coldest in July

Ronne Ice Shelf

-1.8°C July mean in Argentina

Regional July average

18.2°C

across all 947 coastal locations in South America

Vs annual mean

-2.1°C

below the year-round regional average

What the South America sea feels like in July

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 July fits in the year

July 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 July 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 July

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

# Location July mean
1 Ronne Ice Shelf Argentine Antarctica -1.8°C
2 Weddell Sea Argentine Antarctica -1.8°C
3 Signy Island Argentine Antarctica -1.7°C
4 Scotia Bay Argentine Antarctica -1.7°C
5 Bahía San Sebastián Tierra del Fuego 3.7°C
6 Caleta la Mision Tierra del Fuego 3.7°C
7 Cabo Posesion Magallanes y la Antártica Chilena 4.3°C
8 Punta Delgada Magallanes y la Antártica Chilena 4.3°C
9 Punta Catalina Magallanes y la Antártica Chilena 4.4°C
10 Rio Grande 4.4°C
11 Tierra del Fuego 4.7°C
12 Ajax Bay East Falkland 4.7°C
13 New Haven East Falkland 4.7°C
14 North West Islands North West Islands 4.7°C
15 Rio Gallegos 4.7°C
16 Great Island East Falkland 4.7°C
17 Port Howard Lafonia 4.7°C
18 Speedwell Island Falkland Sound 4.7°C
19 Swan Island Swan Island 4.7°C
20 Cabo Virgenes Santa Cruz 4.9°C
21 Magellan Strait East Entrance Magallanes Region 4.9°C
22 Punta Dungeness Magallanes y la Antártica Chilena 4.9°C
23 Lively Settlement East Falkland 4.9°C
24 Mare Harbour East Falkland 4.9°C
25 Fitzroy Creek East Falkland 5.2°C
Show 25 more ▸
26 Port Salvador Entrance East Falkland 5.3°C
27 Tierra del Fuego 5.4°C
28 Stanley 5.4°C
29 Roy Cove West Falkland 5.5°C
30 Berkeley Sound Lafonia 5.5°C
31 Port Stanley-B East Falkland 5.5°C
32 Bleaker Island East Falkland 5.5°C
33 Adventure Sound East Falkland 5.6°C
34 Fox Bay West Falkland 5.6°C
35 Muelle Frigorifico Santa Cruz 5.6°C
36 Port Stanley-A East Falkland 5.6°C
37 Comandante Luis Piedrabuena 5.7°C
38 Fanny Cove Creek East Falkland 5.7°C
39 North Arm East Falkland 5.7°C
40 Westpoint Island North West Islands 5.7°C
41 Albemarle West Falkland 5.7°C
42 Port Stephens West Falkland 5.8°C
43 Puerto Santa Cruz 5.9°C
44 Puerto San Julian 5.9°C
45 Argentino Lake 5.9°C
46 El Calafate 5.9°C
47 Viedma Lake 5.9°C
48 Golding Island North West Islands 5.9°C
49 Pebble Island North West Islands 5.9°C
50 Keppel Sound West Falkland 6.0°C

Warmest 10 in South America in July

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

# Location July mean
1 Covenas 30.4°C
2 Tolu 30.4°C
3 Tintipan Island 30.0°C
4 Baru Island 29.9°C
5 Rosario Islands 29.8°C
6 Costa de Oro 29.8°C
7 Arboletes 29.7°C
8 Barcarena Para 29.6°C
9 Cameta Para 29.6°C
10 Limoeiro do Ajuru Para 29.6°C

More on this region