World Resorts USA Plymouth Weather

Plymouth Sea Temperature in December

Average sea water temperature in December:
+45.3°F
Minimum sea water temperature in December: 50.5°F
Maximum sea water temperature in December: 40.1°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 42.9°F. The highest and lowest sea temperatures during the month were 46.4°F and 40.1°F.

Monthly sea water temperature in Plymouth, °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 Plymouth

Sunniest months:
November 15 days
October 13 days
September 13 days
Warmest months:
July 78.9 °F
August 77.3 °F
June 73.1 °F
Warmest sea temp:
August 67.8 °F
July 67.5 °F
September 65.2 °F
Coldest months:
January 36.3 °F
February 37.4 °F
December 40.6 °F
Rainiest months:
October 4 days
April 3 days
January 3 days
Windiest months:
March 11.1 mph
January 10.7 mph
February 10.6 mph

Plymouth on a weather map

Plymouth
+14°F
E 16 mph
Feels like: +1°F
Precip.: 0%
Places in USA:
Name
°F
+25°F
+73°F
+73°F
+50°F
+57°F
+52°F
+63°F
+66°F
+19°F
+63°F
+55°F
+52°F
+52°F
+61°F
+16°F
24 Hours Forecast
Plymouth
Local time: 00:18
January 02, friday
0300
12°F
E
12 mph
0600
14°F
E
11 mph
0900
21°F
E
11 mph
1200
28°F
E
11 mph
1500
30°F
E
12 mph
1800
28°F
E
9 mph
2100
27°F
E
9 mph
January 03, saturday
0000
25°F
E
11 mph
Units of measurement: °C / °F