World Resorts Argentina Ushuaia Weather

Ushuaia Sea Temperature in December

Average sea water temperature in December:
+46.6°F
Minimum sea water temperature in December: 49.3°F
Maximum sea water temperature in December: 44.1°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 46.0°F. The highest and lowest sea temperatures during the month were 46.8°F and 45.1°F.

Monthly sea water temperature in Ushuaia, °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 Ushuaia

Sunniest months:
May 4 days
July 4 days
August 4 days
Warmest months:
January 52.3 °F
February 51.9 °F
December 50.5 °F
Warmest sea temp:
February 48.3 °F
January 47.8 °F
March 47.6 °F
Coldest months:
July 32.8 °F
June 33.2 °F
August 35.5 °F
Rainiest months:
January 6 days
December 6 days
November 5 days
Windiest months:
November 9.4 mph
October 9.2 mph
January 8.8 mph

Ushuaia on a weather map

Current weather
18:22
Ushuaia
+54°F
N 5 mph
Feels like: +54°F
Precip.: 18%
24 Hours Forecast
Ushuaia
Local time: 18:22
October 25, sunday
2100
46°F
N
1 mph
October 26, monday
0000
45°F
S
2 mph
0300
43°F
S
2 mph
0600
41°F
S
1 mph
0900
48°F
S
2 mph
1200
55°F
SW
2 mph
1500
55°F
SW
4 mph
1800
54°F
SW
6 mph
Units of measurement: °C / °F