World Resorts Argentina Buenos Aires Weather

Buenos Aires Sea Temperature in December

Average sea water temperature in December:
+76.7°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 78.5°F. The highest and lowest sea temperatures during the month were 83.5°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 78.5°F 75.3°F
Bahia Blanca 69.2°F 67.1°F
Mar del Plata 66.5°F 63.5°F
Miramar 64.9°F 61.3°F
Puerto Madryn 61.2°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 Buenos Aires

Sunniest months:
January 24 days
December 23 days
February 21 days
Warmest months:
January 83.8 °F
February 82.1 °F
December 80.7 °F
Warmest sea temp:
January 79.4 °F
February 78.7 °F
December 76.7 °F
Coldest months:
July 56.3 °F
June 57.5 °F
August 58.6 °F
Rainiest months:
February 4 days
December 4 days
January 4 days
Windiest months:
October 10.7 mph
November 10.7 mph
January 10.5 mph

Buenos Aires on a weather map

Current weather
18:21
Buenos Aires
+59°F
N 9 mph
Feels like: +59°F
Precip.: 8%
24 Hours Forecast
Buenos Aires
Local time: 18:21
October 25, sunday
2100
54°F
N
9 mph
October 26, monday
0000
52°F
NW
6 mph
0300
50°F
N
5 mph
0600
48°F
N
6 mph
0900
55°F
NW
6 mph
1200
57°F
W
4 mph
1500
59°F
W
7 mph
1800
59°F
W
8 mph
Units of measurement: °C / °F