Measurements:
°C
°F
Buenos Aires
48°F
S 7 mph
Feels like: 44°F
Precip: 7%
World Resorts Argentina Buenos Aires Weather

Buenos Aires Sea Water Temperature

Current Sea Water Temperature:
+60.0°F
Maximum Sea Water Temperature in September: 69.4°F
Minimum Sea Water Temperature in September: 56.4°F
Average water temperature in September: 62.7°F

Sea Water Temperature for the Last 10 Days:

September 08 60.0°F September 03 61.6°F
September 07 61.2°F September 02 61.2°F
September 06 62.2°F September 01 61.2°F
September 05 63.6°F August 31 60.2°F
September 04 63.0°F August 30 59.4°F

When is the Warmest Sea for Buenos Aires?

According to our data for the last three years for Buenos Aires the highest average sea water temperature was in January, February and December.

Average Water Temperature by Month, °F

Sea Water Temperature in January

Select Year: 2026 2025 2024

The average sea surface temperature in January 2026 for Buenos Aires was 82.6°F. The maximum and minimum values were 79.6°F and 88.0°F respectively.

Sea Water Temperature in February

Select Year: 2026 2025 2024

The average sea surface temperature in February 2026 for Buenos Aires was 82.1°F. The maximum and minimum values were 78.4°F and 85.4°F respectively.

Sea Water Temperature in December

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Buenos Aires was 81.6°F. The maximum and minimum values were 77.2°F and 87.2°F respectively.

Best Time to Visit Buenos Aires
The most sunny months:
January 24 days
December 23 days
February 21 days
The most warm months:
January 87.6 °F
February 85.7 °F
December 84.1 °F
Warmest sea temperature:
January 82.7 °F
February 81.9 °F
December 79.7 °F
The most cold months:
July 57.0 °F
June 58.3 °F
August 59.5 °F
The most rainy months:
February 4 days
December 4 days
January 4 days
The most windy months:
October 11 mph
November 11 mph
September 10 mph

Buenos Aires on the Weather Map

24 Hours Weather Forecast
Buenos Aires
Local time: 08:54
08 sep, tuesday
0900 48°F
S
7 mph
1200 56°F
SW
7 mph
1500 58°F
SW
10 mph
1800 60°F
SW
9 mph
2100 56°F
SW
6 mph
09 sep, wednesday
0000 54°F
S
7 mph
0300 50°F
S
6 mph
0600 50°F
S
4 mph