Current sea water temperature:
+64.6°F
| Minimum sea water temperature in December: | 73.0°F |
| Maximum sea water temperature in December: | 57.9°F |
| Average sea water temperature in December: | 66.1°F |
| more information | |
14 days
forecast
forecast
| Port Aransas |
monthly
weather
weather
| Port Aransas |
Sea water temperature for the last 10 days:
| December 21 | 64.6°F | December 16 | 64.6°F |
| December 20 | 64.0°F | December 15 | 64.6°F |
| December 19 | 64.9°F | December 14 | 65.1°F |
| December 18 | 64.2°F | December 13 | 64.6°F |
| December 17 | 63.5°F | December 12 | 63.9°F |
Monthly sea water temperature, °F
When is the warmest sea in Port Aransas?
Based on the data about daily sea water temperature for the last three years the warmest sea in Port Aransas was noticed in August, September and July.
Monthly Sea Temperatures in Port Aransas, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 86.4°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.7°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 85.7°F. The highest and lowest sea temperatures during the month were 87.6°F and 84.2°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 84.5°F. The highest and lowest sea temperatures during the month were 86.2°F and 82.8°F.
current
weather
weather
| Port Aransas |
weather in
December
December
| Port Aransas |
Best time for vacation in Port Aransas
Port Aransas on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Port Aransas
Local time: 05:35
December 21, sunday
0600
68°F
N
8 mph
8 mph
0900
68°F
NE
5 mph
5 mph
1200
70°F
N
6 mph
6 mph
1500
70°F
NW
7 mph
7 mph
1800
70°F
NW
9 mph
9 mph
2100
68°F
NW
7 mph
7 mph
December 22, monday
0000
66°F
NW
9 mph
9 mph
0300
66°F
N
9 mph
9 mph
