Current sea water temperature:
+78.1°F
| Minimum sea water temperature in December: | 80.8°F |
| Maximum sea water temperature in December: | 73.6°F |
| Average sea water temperature in December: | 77.6°F |
| more information | |
14 days
forecast
forecast
| Miami Beach |
monthly
weather
weather
| Miami Beach |
Sea water temperature for the last 10 days:
| December 21 | 78.1°F | December 16 | 78.3°F |
| December 20 | 77.0°F | December 15 | 78.6°F |
| December 19 | 77.9°F | December 14 | 78.4°F |
| December 18 | 77.7°F | December 13 | 78.4°F |
| December 17 | 77.0°F | December 12 | 78.8°F |
Monthly sea water temperature, °F
When is the warmest sea in Miami Beach?
Based on the data about daily sea water temperature for the last three years the warmest sea in Miami Beach was noticed in August, July and September.
Monthly Sea Temperatures in Miami Beach, °F
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 87.9°F. The highest and lowest sea temperatures during the month were 88.7°F and 86.9°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 86.0°F. The highest and lowest sea temperatures during the month were 87.4°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 86.2°F. The highest and lowest sea temperatures during the month were 87.3°F and 85.1°F.
current
weather
weather
| Miami Beach |
weather in
December
December
| Miami Beach |
Best time for vacation in Miami Beach
Miami Beach on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Miami Beach
Local time: 06:31
December 21, sunday
0900
75°F
W
9 mph
9 mph
1200
77°F
W
11 mph
11 mph
1500
75°F
SW
12 mph
12 mph
1800
75°F
SW
14 mph
14 mph
2100
73°F
SW
16 mph
16 mph
December 22, monday
0000
73°F
SW
17 mph
17 mph
0300
73°F
SW
16 mph
16 mph
0600
73°F
SW
18 mph
18 mph
