Skip to content
seatemperatures.net

Warmest sea in Argentina in December

167 coastal locations in Argentina ranked by their typical December sea temperature. Region-wide average in December: 16.8°C. The top of the list is where to find the warmest swimming this month.

Warmest in December

Isla Martín García

25.2°C December mean in Argentina

Regional December average

16.8°C

across all 167 coastal locations in Argentina

Vs annual mean

+2.7°C

above the year-round regional average

What the Argentina sea feels like in December

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
J
F
M
A
M
J
J
A
S
O
N
D
  • 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 December fits in the year

December 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 December 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 December

Sorted by the typical December 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 December mean
1 Isla Martín García Buenos Aires 25.2°C
2 Isla Martin Garcia Buenos Aires Province 25.1°C
3 Baradero 25.0°C
4 Gualeguaychu 25.0°C
5 Mar Chiquita Lake 25.0°C
6 San Roque Lake 25.0°C
7 Villa Carlos Paz 25.0°C
8 Buenos Aires 24.9°C
9 Colon Entre Rios 24.9°C
10 Concepcion del Uruguay Entre Rios 24.9°C
11 Concordia 24.9°C
12 Olivos 24.9°C
13 Quilmes 24.9°C
14 Retiro 24.9°C
15 Tigre 24.9°C
16 Ciudadela 24.7°C
17 Ensenada 24.2°C
18 Punta Lara 24.2°C
19 Puerto La Plata Provincia de Buenos Aires 24.0°C
20 Chascomus 23.9°C
21 Canal Punta Indio (West) Buenos Aires Province 23.1°C
22 Punta Indio 23.1°C
23 Punta Piedras Buenos Aires 22.8°C
24 Canal Punta Indio (East) Buenos Aires Province 22.6°C
25 Puerto Iguazu 22.5°C
Show 25 more ▸
26 Punta Rasa 21.8°C
27 Cabo San Antonio Provincia de Buenos Aires 21.8°C
28 Puerto Cuatreros Buenos Aires 21.5°C
29 Puerto Rosales Buenos Aires 21.5°C
30 Las Toninas 21.5°C
31 San Clemente del Tuyu 21.5°C
32 Bahia Blanca 21.4°C
33 Corrientes 21.4°C
34 Punta Laberinto Chubut 21.4°C
35 Punta Alta 21.3°C
36 Bahía Anegada Buenos Aires 21.0°C
37 Aguas Verdes 21.0°C
38 Costa del Este 21.0°C
39 La Lucila del Mar 21.0°C
40 Mar de Ajo 21.0°C
41 Mar del Tuyu 21.0°C
42 San Bernardo 21.0°C
43 Santa Teresita 21.0°C
44 Punta Lobos Chubut Province 21.0°C
45 Punta Tejada Provincia de Buenos Aires 21.0°C
46 Monte Hermoso Buenos Aires Province 20.7°C
47 Balneario Pehuen-Co 20.6°C
48 Nueva Atlantis 20.5°C
49 Punta Medanos 20.5°C
50 Islote N.W. Buenos Aires Province 20.5°C

Coldest 10 in Argentina in December

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

# Location December mean
1 Weddell Sea Argentine Antarctica -1.8°C
2 Ronne Ice Shelf Argentine Antarctica -1.8°C
3 Scotia Bay Argentine Antarctica -0.5°C
4 Signy Island Argentine Antarctica -0.4°C
5 Puerto Vancouver Tierra del Fuego Province 7.2°C
6 Caleta Brent Tierra del Fuego Province 7.3°C
7 Puerto San Juan del Salvamento Tierra del Fuego 7.4°C
8 Bahia Crossley Tierra del Fuego 7.4°C
9 Isla Observatorio Tierra del Fuego Province 7.5°C
10 Isla de los Estados 7.6°C

More on this region