World Resorts Argentina Mar del Plata Weather

Mar del Plata Sea Temperature in December

Average sea water temperature in December:
+65.3°F
Minimum sea water temperature in December: 70.7°F
Maximum sea water temperature in December: 60.1°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 66.4°F. The highest and lowest sea temperatures during the month were 68.5°F and 62.2°F.

Monthly sea water temperature in Mar del Plata, °F

Which Argentina resorts have warmest sea in December?

Place name December 2025 December 2024
Buenos Aires 78.3°F 75.3°F
Bahia Blanca 69.1°F 67.1°F
Mar del Plata 66.4°F 63.5°F
Miramar 64.8°F 61.3°F
Puerto Madryn 61.1°F 60.4°F
San Carlos de Bariloche 55.5°F 54.3°F
Comodoro Rivadavia 55.3°F 56.6°F
Rio Gallegos 52.3°F 52.9°F
Ushuaia 46.0°F 46.4°F

Best time for vacation in Mar del Plata

Sunniest months:
January 22 days
December 22 days
February 19 days
Warmest months:
January 78.5 °F
February 77.7 °F
December 75.0 °F
Warmest sea temp:
February 70.4 °F
January 69.3 °F
March 68.8 °F
Coldest months:
July 53.5 °F
August 55.2 °F
June 55.6 °F
Rainiest months:
November 4 days
February 4 days
January 4 days
Windiest months:
January 13.2 mph
December 13.1 mph
November 12.8 mph

Mar del Plata on a weather map

Current weather
17:05
Mar del Plata
+72°F
W 12 mph
Feels like: +77°F
Precip.: 0%
Places in Argentina:
Name
°F
all places
24 Hours Forecast
Mar del Plata
Local time: 17:05
December 30, tuesday
1800
72°F
W
12 mph
2100
66°F
W
6 mph
December 31, wednesday
0000
66°F
SW
9 mph
0300
66°F
S
8 mph
0600
64°F
N
3 mph
0900
79°F
NE
2 mph
1200
84°F
NW
8 mph
1500
79°F
N
17 mph
Units of measurement: °C / °F