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
West Palm Beach 79.0°F 78.4°F
Molokai 78.7°F 78.2°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
Hilo 78.0°F 78.0°F
Maui 78.0°F 77.8°F
Miami Beach 77.4°F 75.9°F
Oahu 77.1°F 77.2°F
Key West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Naples 71.5°F 67.7°F
Cocoa Beach 69.7°F 66.6°F
Siesta Key 69.3°F 65.6°F
Sarasota 69.2°F 65.6°F
Tampa 68.3°F 65.5°F
Orlando 67.6°F 66.0°F
St. Petersburg 67.5°F 64.3°F
Corpus Christi 67.5°F 66.5°F

Best time for vacation in Miami

Sunniest months:
March 13 days
April 13 days
May 12 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 76.5 °F
December 77.1 °F
Rainiest months:
July 11 days
June 10 days
August 10 days
Windiest months:
April 11.8 mph
March 11.7 mph
November 11.5 mph

Miami on a weather map

Miami
+77°F
NW 11 mph
Feels like: +82°F
Precip.: 14%
Places in USA:
Name
°F
+64°F
+77°F
+86°F
+61°F
+77°F
+84°F
+72°F
+73°F
+68°F
+63°F
+54°F
+77°F
+77°F
+79°F
+66°F
24 Hours Forecast
Miami
Local time: 03:58
June 26, friday
0600
79°F
NW
11 mph
0900
84°F
NW
12 mph
1200
88°F
NW
11 mph
1500
88°F
NW
12 mph
1800
86°F
W
9 mph
2100
86°F
W
12 mph
June 27, saturday
0000
84°F
NW
14 mph
0300
84°F
NW
13 mph

Best place for vacation:

Units of measurement: °C / °F