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
August 4 days
September 4 days
Warmest months:
January 52.3 °F
February 52.0 °F
December 50.5 °F
Warmest sea temp:
February 48.3 °F
January 47.9 °F
March 47.6 °F
Coldest months:
July 33.1 °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 9.0 mph

Ushuaia on a weather map

Current weather
14:12
Ushuaia
+46°F
SE 2 mph
Feels like: +46°F
Precip.: 100%
Places in Argentina:
Name
°F
all places
24 Hours Forecast
Ushuaia
Local time: 14:12
January 13, tuesday
1500
46°F
SE
2 mph
1800
52°F
SE
5 mph
2100
46°F
SE
4 mph
January 14, wednesday
0000
41°F
SE
4 mph
0300
34°F
SE
5 mph
0600
30°F
SE
6 mph
0900
48°F
SE
4 mph
1200
55°F
SE
5 mph
Units of measurement: °C / °F