World Resorts USA Montauk Weather

Montauk Sea Temperature in December

Average sea water temperature in December:
+48.5°F
Minimum sea water temperature in December: 54.3°F
Maximum sea water temperature in December: 41.7°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 46.0°F. The highest and lowest sea temperatures during the month were 50.7°F and 41.7°F.

Monthly sea water temperature in Montauk, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
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
Port St. Lucie 73.3°F 71.9°F
South Padre Island 71.8°F 71.9°F
Naples 71.5°F 67.7°F
Cape Coral 71.2°F 67.8°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

Best time for vacation in Montauk

Sunniest months:
November 16 days
September 14 days
December 14 days
Warmest months:
July 77.0 °F
August 76.1 °F
June 70.2 °F
Warmest sea temp:
August 70.4 °F
September 68.9 °F
July 68.2 °F
Coldest months:
January 36.6 °F
February 36.8 °F
December 41.9 °F
Rainiest months:
October 4 days
November 3 days
March 3 days
Windiest months:
December 14.3 mph
January 14.2 mph
March 13.6 mph

Montauk on a weather map

Montauk
+63°F
SW 18 mph
Feels like: +63°F
Precip.: 14%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+77°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+79°F
+63°F
24 Hours Forecast
Montauk
Local time: 06:13
September 19, saturday
0900
61°F
SW
17 mph
1200
61°F
SW
14 mph
1500
63°F
W
9 mph
1800
63°F
W
9 mph
2100
63°F
NW
14 mph
September 20, sunday
0000
63°F
NW
14 mph
0300
63°F
NW
12 mph
0600
63°F
NW
12 mph
Units of measurement: °C / °F