World Resorts Argentina Buenos Aires Weather

Buenos Aires Sea Temperature in December

Average sea water temperature in December:
+76.6°F
Minimum sea water temperature in December: 86.7°F
Maximum sea water temperature in December: 70.9°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 77.2°F. The highest and lowest sea temperatures during the month were 79.0°F and 74.5°F.

Monthly sea water temperature in Buenos Aires, °F

Which Argentina resorts have warmest sea in December?

Place name December 2025 December 2024
Buenos Aires 77.2°F 75.3°F
Bahia Blanca 68.7°F 67.1°F
Mar del Plata 65.7°F 63.5°F
Miramar 63.6°F 61.3°F
Puerto Madryn 61.3°F 60.4°F
Comodoro Rivadavia 55.7°F 56.6°F
San Carlos de Bariloche 55.5°F 54.3°F
Rio Gallegos 53.0°F 52.9°F
Ushuaia 45.9°F 46.4°F

Best time for vacation in Buenos Aires

Sunniest months:
January 24 days
December 23 days
February 21 days
Warmest months:
January 84.2 °F
February 82.3 °F
December 80.7 °F
Warmest sea temp:
January 79.4 °F
February 78.7 °F
December 76.6 °F
Coldest months:
July 56.4 °F
June 57.6 °F
August 58.8 °F
Rainiest months:
February 5 days
December 4 days
January 4 days
Windiest months:
October 10.7 mph
November 10.7 mph
September 10.6 mph

Buenos Aires on a weather map

Current weather
23:01
Buenos Aires
+72°F
W 19 mph
Feels like: +77°F
Precip.: 0%
Places in Argentina:
Name
°F
all places
24 Hours Forecast
Buenos Aires
Local time: 23:01
December 19, friday
0000
72°F
W
19 mph
0300
70°F
NW
16 mph
0600
70°F
W
14 mph
0900
73°F
W
14 mph
1200
77°F
W
11 mph
1500
82°F
W
12 mph
1800
79°F
W
19 mph
2100
75°F
W
16 mph
Units of measurement: °C / °F