Current Sea Water Temperature:
+65.0°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 |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| September 28 | 65.0°F | September 23 | 60.6°F |
| September 27 | 66.4°F | September 22 | 62.4°F |
| September 26 | 63.8°F | September 21 | 64.0°F |
| September 25 | 64.2°F | September 20 | 62.8°F |
| September 24 | 63.4°F | September 19 | 60.4°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
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
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
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.
Argentina Resorts:
NAME
F°
| Bahia Blanca |  |
+58 |
| Buenos Aires | |
+62 |
| Comodoro Rivadavia | |
+42 |
| Cordoba | |
+58 |
| El Chalten | |
+36 |
| Mar del Plata | |
+52 |
| Mendoza | |
+56 |
| Miramar |  |
+54 |
| Puerto Madryn | |
+46 |
| Rio Gallegos | |
+40 |
| San Carlos de Bariloche |  |
+32 |
| San Fernando del Valle de Catamarca |  |
+64 |
| San Nicolas de los Arroyos | |
+64 |
| Santa Fe de la Vera Cruz | |
+66 |
| Ushuaia | |
+30 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
Buenos Aires
Local time: 20:20
28 sep, monday
| 2100 |  |
62°F | W 7 mph |
29 sep, tuesday
| 0000 | |
62°F | W 9 mph |
| 0300 |  |
62°F | NW 9 mph |
| 0600 | |
62°F | NW 6 mph |
| 0900 | |
62°F | NE 12 mph |
| 1200 |  |
58°F | N 20 mph |
| 1500 | |
66°F | NE 16 mph |
| 1800 | |
64°F | N 11 mph |