Current sea water temperature:
+57.9°F
| Minimum sea water temperature in January: | 65.7°F |
| Maximum sea water temperature in January: | 54.0°F |
| Average sea water temperature in January: | 60.5°F |
| more information | |
14 days
forecast
forecast
| San Antonio |
monthly
weather
weather
| San Antonio |
Sea water temperature for the last 10 days:
| January 8 | 57.9°F | January 3 | 55.9°F |
| January 7 | 55.8°F | January 2 | 57.4°F |
| January 6 | 55.6°F | January 1 | 58.5°F |
| January 5 | 54.0°F | December 31 | 58.8°F |
| January 4 | 55.9°F | December 30 | 58.3°F |
Monthly sea water temperature, °F
When is the warmest sea in San Antonio?
Based on the data about daily sea water temperature for the last three years the warmest sea in San Antonio was noticed in February, January and March.
Monthly Sea Temperatures in San Antonio, °F
Sea water temperature in February, °F
Show year:
2025
2024
2023
The average sea water temperature in February of 2025 was 61.2°F. The highest and lowest sea temperatures during the month were 62.8°F and 59.7°F.
Sea water temperature in January, °F
Show year:
2025
2024
2023
The average sea water temperature in January of 2025 was 61.9°F. The highest and lowest sea temperatures during the month were 65.7°F and 59.2°F.
Sea water temperature in March, °F
Show year:
2025
2024
2023
The average sea water temperature in March of 2025 was 60.7°F. The highest and lowest sea temperatures during the month were 63.9°F and 57.2°F.
current
weather
weather
| San Antonio |
weather in
January
January
| San Antonio |
Best time for vacation in San Antonio
San Antonio on a weather map
Places in Chile:
Name
°F
24 Hours Forecast
San Antonio
Local time: 14:50
January 08, thursday
1500

66°F
NE
11 mph
11 mph
1800

66°F
NE
6 mph
6 mph
2100

61°F
N
6 mph
6 mph
January 09, friday
0000

61°F
N
6 mph
6 mph
0300

61°F
N
4 mph
4 mph
0600

61°F
N
6 mph
6 mph
0900

68°F
NE
6 mph
6 mph
1200

70°F
NE
8 mph
8 mph



























