Current Sea Water Temperature:
+54.4°F
| Maximum Sea Water Temperature in July: | 57.0°F |
| Minimum Sea Water Temperature in July: | 51.6°F |
| Average water temperature in July: | 54.7°F |
| detailed information | |
Sea Water Temperature for the Last 10 Days:
| July 11 | 54.4°F | July 06 | 53.4°F |
| July 10 | 53.4°F | July 05 | 53.2°F |
| July 09 | 53.8°F | July 04 | 53.0°F |
| July 08 | 53.4°F | July 03 | 53.2°F |
| July 07 | 53.4°F | July 02 | 53.8°F |
When is the Warmest Sea for San Antonio?
According to our data for the last three years for San Antonio the highest average sea water temperature was in February, January and March.
Average Water Temperature by Month, °F
Sea Water Temperature in February
The average sea surface temperature in February 2026 for San Antonio was 62.5°F. The maximum and minimum values were 58.6°F and 68.6°F respectively.
Sea Water Temperature in January
The average sea surface temperature in January 2026 for San Antonio was 61.5°F. The maximum and minimum values were 54.4°F and 66.6°F respectively.
Sea Water Temperature in March
The average sea surface temperature in March 2026 for San Antonio was 60.4°F. The maximum and minimum values were 54.8°F and 65.0°F respectively.
Chile Resorts:
NAME
F°
| Algarrobo |  |
+56 |
| Antofagasta |  |
+54 |
| Arica | |
+60 |
| Concepcion |  |
+50 |
| Concon | |
+58 |
| Easter Island | |
+66 |
| Iquique | |
+56 |
| La Serena | |
+54 |
| Puerto Montt | |
+46 |
| Puerto Natales | |
+26 |
| Punta Arenas | |
+32 |
| San Antonio | |
+56 |
| Torres del Paine |  |
+22 |
| Valparaiso | |
+58 |
| Vina del Mar | |
+58 |
Countries:
NAME
POPULARITY
24 Hours Weather Forecast
San Antonio
Local time: 02:46
12 jul, sunday
| 0300 |  |
56°F | NW 6 mph |
| 0600 | |
56°F | N 6 mph |
| 0900 |  |
58°F | N 6 mph |
| 1200 | |
64°F | N 7 mph |
| 1500 | |
64°F | NE 8 mph |
| 1800 | |
56°F | N 7 mph |
| 2100 | |
54°F | N 6 mph |
13 jul, monday
| 0000 |  |
54°F | N 6 mph |