World Resorts USA Edgartown Weather

Edgartown Sea Temperature in December

Average sea water temperature in December:
+45.9°F
Minimum sea water temperature in December: 52.3°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 44.6°F. The highest and lowest sea temperatures during the month were 49.3°F and 40.1°F.

Monthly sea water temperature in Edgartown, °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
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
Sarasota 69.2°F 65.6°F

Best time for vacation in Edgartown

Sunniest months:
November 15 days
October 14 days
June 13 days
Warmest months:
July 74.0 °F
August 73.4 °F
September 69.3 °F
Warmest sea temp:
August 72.6 °F
July 71.2 °F
September 69.3 °F
Coldest months:
January 36.6 °F
February 37.1 °F
March 42.2 °F
Rainiest months:
January 3 days
April 3 days
October 3 days
Windiest months:
December 14.5 mph
January 14.5 mph
November 14.4 mph

Edgartown on a weather map

Edgartown
+16°F
S 9 mph
Feels like: +7°F
Precip.: 0%
Places in USA:
Name
°F
+19°F
+77°F
+77°F
+73°F
+75°F
+52°F
+55°F
+72°F
+16°F
+63°F
+66°F
+50°F
+46°F
+54°F
+27°F
24 Hours Forecast
Edgartown
Local time: 21:22
February 06, friday
0000
14°F
S
7 mph
0300
12°F
S
8 mph
0600
21°F
S
9 mph
0900
27°F
SW
8 mph
1200
30°F
SW
9 mph
1500
30°F
SW
6 mph
1800
28°F
SW
4 mph
2100
28°F
W
2 mph
Units of measurement: °C / °F