World Resorts USA Miami Weather

Miami Sea Temperature in December

Average sea water temperature in December:
+76.5°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 76.1°F. The highest and lowest sea temperatures during the month were 78.1°F and 74.7°F.

Monthly sea water temperature in Miami, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
Kailua Kona 79.4°F 78.3°F
West Palm Beach 79.2°F 78.4°F
Fort Lauderdale 78.9°F 77.6°F
Honolulu 78.7°F 78.3°F
Hawaii 78.6°F 78.3°F
Kauai 78.4°F 76.0°F
Maui 78.2°F 77.8°F
Miami Beach 77.8°F 75.9°F
Oahu 77.3°F 77.2°F
Islamorada 77.0°F 73.4°F
Key Largo 76.9°F 73.1°F
Key West 76.4°F 72.6°F
Miami 76.1°F 73.0°F
Everglades 74.2°F 69.7°F
Marco Island 72.1°F 68.0°F
Naples 71.7°F 67.7°F
Cape Coral 71.5°F 67.8°F
South Padre Island 71.4°F 71.9°F
Sanibel Island 71.1°F 67.1°F
Siesta Key 69.5°F 65.6°F

Best time for vacation in Miami

Sunniest months:
March 12 days
April 12 days
May 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 77.0 °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
+77°F
W 17 mph
Feels like: +81°F
Precip.: 0%
Places in USA:
Name
°F
+50°F
+75°F
+75°F
+64°F
+59°F
+77°F
+79°F
+70°F
+37°F
+63°F
+57°F
+79°F
+77°F
+75°F
+41°F
24 Hours Forecast
Miami
Local time: 19:12
December 23, tuesday
2100
73°F
SW
17 mph
December 24, wednesday
0000
73°F
W
15 mph
0300
72°F
SW
12 mph
0600
70°F
SW
12 mph
0900
72°F
SW
12 mph
1200
72°F
SW
16 mph
1500
72°F
SW
16 mph
1800
72°F
SW
14 mph

Best place for vacation:

Units of measurement: °C / °F