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
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 West 75.9°F 72.6°F
Miami 75.5°F 73.0°F
Everglades 73.7°F 69.7°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
October 14 days
December 14 days
Warmest months:
July 76.7 °F
August 75.5 °F
September 70.0 °F
Warmest sea temp:
August 70.2 °F
September 68.9 °F
July 68.4 °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
November 13.5 mph

Montauk on a weather map

Montauk
+36°F
E 29 mph
Feels like: +25°F
Precip.: 0%
Places in USA:
Name
°F
+34°F
+72°F
+72°F
+59°F
+59°F
+68°F
+70°F
+68°F
+32°F
+57°F
+63°F
+48°F
+45°F
+41°F
+18°F
24 Hours Forecast
Montauk
Local time: 08:52
March 17, tuesday
0900
36°F
E
29 mph
1200
36°F
E
26 mph
1500
36°F
E
22 mph
1800
37°F
E
22 mph
2100
36°F
SE
23 mph
March 18, wednesday
0000
34°F
SE
22 mph
0300
32°F
E
23 mph
0600
30°F
SE
19 mph
Units of measurement: °C / °F