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Warmest sea in Argentina in January

167 coastal locations in Argentina ranked by their typical January sea temperature. Region-wide average in January: 18.4°C. The top of the list is where to find the warmest swimming this month.

Warmest in January

Isla Martín García

26.7°C January mean in Argentina

Regional January average

18.4°C

across all 167 coastal locations in Argentina

Vs annual mean

+4.3°C

above the year-round regional average

What the Argentina sea feels like in January

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.

Argentina monthly average 9.7°C to 18.7°C
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  • Warmest month February 18.7°C
  • Coldest month August 9.7°C
  • Annual mean 14.1°C
  • Months above 20°C 0 of 12

Where January fits in the year

January sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve Argentina month rankings:

Argentina sea temperature map (live)

The map shows today's latest reading at every Argentina location. The list below is based on the typical January 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 Argentina locations in January

Sorted by the typical January 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 January mean
1 Isla Martín García Buenos Aires 26.7°C
2 Baradero 26.6°C
3 Gualeguaychu 26.6°C
4 Mar Chiquita Lake 26.6°C
5 San Roque Lake 26.6°C
6 Villa Carlos Paz 26.6°C
7 Isla Martin Garcia Buenos Aires Province 26.6°C
8 Colon Entre Rios 26.5°C
9 Concepcion del Uruguay Entre Rios 26.5°C
10 Concordia 26.5°C
11 Buenos Aires 26.5°C
12 Olivos 26.5°C
13 Quilmes 26.5°C
14 Retiro 26.5°C
15 Tigre 26.5°C
16 Ciudadela 26.4°C
17 Ensenada 25.8°C
18 Punta Lara 25.8°C
19 Chascomus 25.6°C
20 Puerto La Plata Provincia de Buenos Aires 25.5°C
21 Punta Indio 24.8°C
22 Canal Punta Indio (West) Buenos Aires Province 24.8°C
23 Puerto Iguazu 24.5°C
24 Punta Piedras Buenos Aires 24.4°C
25 Canal Punta Indio (East) Buenos Aires Province 24.1°C
Show 25 more ▸
26 Cabo San Antonio Provincia de Buenos Aires 23.9°C
27 Punta Rasa 23.8°C
28 Corrientes 23.6°C
29 Las Toninas 23.6°C
30 San Clemente del Tuyu 23.6°C
31 Puerto Cuatreros Buenos Aires 23.2°C
32 Puerto Rosales Buenos Aires 23.2°C
33 Aguas Verdes 23.1°C
34 Costa del Este 23.1°C
35 La Lucila del Mar 23.1°C
36 Mar de Ajo 23.1°C
37 Mar del Tuyu 23.1°C
38 San Bernardo 23.1°C
39 Santa Teresita 23.1°C
40 Bahia Blanca 23.1°C
41 Punta Laberinto Chubut 23.1°C
42 Punta Alta 23.0°C
43 Punta Lobos Chubut Province 22.9°C
44 Punta Tejada Provincia de Buenos Aires 22.9°C
45 Bahía Anegada Buenos Aires 22.8°C
46 Mar del Ajo Provincia de Buenos Aires 22.7°C
47 Monte Hermoso Buenos Aires Province 22.6°C
48 Nueva Atlantis 22.6°C
49 Punta Medanos 22.6°C
50 Balneario Pehuen-Co 22.6°C

Coldest 10 in Argentina in January

Same data the other way. Helpful if you want to know which Argentina coasts to avoid for swimming in January.

# Location January mean
1 Weddell Sea Argentine Antarctica -1.8°C
2 Ronne Ice Shelf Argentine Antarctica -1.8°C
3 Scotia Bay Argentine Antarctica 0.4°C
4 Signy Island Argentine Antarctica 0.4°C
5 Puerto Vancouver Tierra del Fuego Province 8.0°C
6 Caleta Brent Tierra del Fuego Province 8.1°C
7 Puerto San Juan del Salvamento Tierra del Fuego 8.1°C
8 Isla Observatorio Tierra del Fuego Province 8.2°C
9 Bahia Crossley Tierra del Fuego 8.2°C
10 Isla de los Estados 8.2°C

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