World Resorts USA Falmouth Weather

Falmouth Sea Temperature in December

Average sea water temperature in December:
+44.7°F
Minimum sea water temperature in December: 52.0°F
Maximum sea water temperature in December: 37.6°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 42.0°F. The highest and lowest sea temperatures during the month were 47.3°F and 37.6°F.

Monthly sea water temperature in Falmouth, °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 Falmouth

Sunniest months:
November 15 days
October 14 days
September 13 days
Warmest months:
July 74.4 °F
August 73.8 °F
September 69.3 °F
Warmest sea temp:
August 74.0 °F
July 72.8 °F
September 70.4 °F
Coldest months:
February 36.8 °F
January 36.8 °F
December 42.1 °F
Rainiest months:
January 3 days
October 3 days
July 2 days
Windiest months:
November 14.0 mph
March 13.9 mph
December 13.8 mph

Falmouth on a weather map

Falmouth
+34°F
E 21 mph
Feels like: +23°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+75°F
+75°F
+48°F
+61°F
+72°F
+75°F
+68°F
+32°F
+57°F
+50°F
+61°F
+57°F
+48°F
+30°F
24 Hours Forecast
Falmouth
Local time: 23:36
January 12, monday
0000
34°F
E
21 mph
0300
32°F
E
27 mph
0600
30°F
E
25 mph
0900
30°F
E
23 mph
1200
34°F
E
21 mph
1500
36°F
E
18 mph
1800
39°F
NE
20 mph
2100
36°F
NE
21 mph
Units of measurement: °C / °F