Current sea water temperature:
+56.8°F
| Minimum sea water temperature in December: | 63.7°F |
| Maximum sea water temperature in December: | 48.9°F |
| Average sea water temperature in December: | 58.4°F |
| more information | |
14 days
forecast
forecast
| San Antonio |
monthly
weather
weather
| San Antonio |
Sea water temperature for the last 10 days:
| December 21 | 56.8°F | December 16 | 58.8°F |
| December 20 | 57.7°F | December 15 | 60.8°F |
| December 19 | 56.7°F | December 14 | 62.2°F |
| December 18 | 57.0°F | December 13 | 61.9°F |
| December 17 | 57.7°F | December 12 | 62.2°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
December
December
| 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: 18:05
December 21, sunday
2100

59°F
N
5 mph
5 mph
December 22, monday
0000

57°F
N
6 mph
6 mph
0300

55°F
N
9 mph
9 mph
0600

55°F
N
9 mph
9 mph
0900

61°F
NE
7 mph
7 mph
1200

64°F
NE
14 mph
14 mph
1500

64°F
NE
16 mph
16 mph
1800

61°F
NE
16 mph
16 mph




























