World Resorts USA Miami Weather

Miami Sea Temperature in December

Average sea water temperature in December:
+76.4°F
Minimum sea water temperature in December: 79.9°F
Maximum sea water temperature in December: 69.6°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 75.5°F. The highest and lowest sea temperatures during the month were 78.1°F and 73.0°F.

Monthly sea water temperature in Miami, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.2°F 78.3°F
West Palm Beach 79.0°F 78.4°F
Fort Lauderdale 78.7°F 77.6°F
Honolulu 78.6°F 78.3°F
Hawaii 78.5°F 78.3°F
Kauai 78.2°F 76.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Islamorada 76.4°F 73.4°F
Key Largo 76.3°F 73.1°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Everglades 73.7°F 69.7°F
Marco Island 71.8°F 68.0°F
South Padre Island 71.8°F 71.9°F
Naples 71.5°F 67.7°F
Sanibel Island 70.9°F 67.1°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°F

Best time for vacation in Miami

Sunniest months:
March 12 days
April 12 days
December 11 days
Warmest months:
August 89.5 °F
July 89.3 °F
September 87.7 °F
Warmest sea temp:
August 86.6 °F
July 86.0 °F
September 85.5 °F
Coldest months:
January 73.5 °F
February 76.7 °F
December 77.1 °F
Rainiest months:
July 11 days
June 10 days
August 10 days
Windiest months:
April 11.6 mph
March 11.6 mph
November 11.5 mph

Miami on a weather map

Miami
+79°F
W 9 mph
Feels like: +84°F
Precip.: 0%
Places in USA:
Name
°F
+41°F
+77°F
+77°F
+63°F
+75°F
+79°F
+79°F
+72°F
+39°F
+73°F
+57°F
+72°F
+68°F
+61°F
+30°F
24 Hours Forecast
Miami
Local time: 17:55
January 11, sunday
1800
79°F
W
9 mph
2100
75°F
SW
11 mph
January 12, monday
0000
73°F
SW
11 mph
0300
72°F
SW
15 mph
0600
70°F
SW
22 mph
0900
72°F
SW
21 mph
1200
73°F
SW
18 mph
1500
73°F
SW
15 mph

Best place for vacation:

Units of measurement: °C / °F