Current sea water temperature:
+75.4°F
| Minimum sea water temperature in December: | 78.6°F |
| Maximum sea water temperature in December: | 68.2°F |
| Average sea water temperature in December: | 74.3°F |
| more information | |
14 days
forecast
forecast
| Port St. Lucie |
monthly
weather
weather
| Port St. Lucie |
Sea water temperature for the last 10 days:
| December 4 | 75.4°F | November 29 | 77.0°F |
| December 3 | 73.9°F | November 28 | 77.2°F |
| December 2 | 72.5°F | November 27 | 76.3°F |
| December 1 | 75.4°F | November 26 | 74.8°F |
| November 30 | 76.5°F | November 25 | 75.0°F |
Monthly sea water temperature, °F
When is the warmest sea in Port St. Lucie?
Based on the data about daily sea water temperature for the last three years the warmest sea in Port St. Lucie was noticed in August, September and July.
Monthly Sea Temperatures in Port St. Lucie, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 85.4°F. The highest and lowest sea temperatures during the month were 87.1°F and 83.8°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 84.3°F. The highest and lowest sea temperatures during the month were 85.6°F and 83.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 82.2°F. The highest and lowest sea temperatures during the month were 85.8°F and 79.0°F.
current
weather
weather
| Port St. Lucie |
weather in
December
December
| Port St. Lucie |
Best time for vacation in Port St. Lucie
Port St. Lucie on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Port St. Lucie
Local time: 01:49
December 05, friday
0300
64°F
NW
7 mph
7 mph
0600
64°F
NW
7 mph
7 mph
0900
70°F
N
6 mph
6 mph
1200
73°F
N
9 mph
9 mph
1500
81°F
NE
7 mph
7 mph
1800
79°F
NE
3 mph
3 mph
2100
75°F
NE
1 mph
1 mph
December 06, saturday
0000
70°F
NE
5 mph
5 mph
