World Resorts USA Fire Island Weather

Fire Island Sea Temperature in December

Average sea water temperature in December:
+47.5°F
Minimum sea water temperature in December: 53.6°F
Maximum sea water temperature in December: 41.5°F

Daily sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 45.3°F. The highest and lowest sea temperatures during the month were 51.1°F and 41.7°F.

Monthly sea water temperature in Fire Island, °F

Which USA resorts have warmest sea in December?

Place name December 2025 December 2024
West Palm Beach 79.0°F 78.4°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
Naples 71.5°F 67.7°F
Cocoa Beach 69.7°F 66.6°F
Sarasota 69.2°F 65.6°F
Tampa 68.3°F 65.5°F
Orlando 67.6°F 66.0°F
Daytona Beach 67.1°F 65.8°F
Clearwater Beach 66.8°F 62.9°F
Fort Walton Beach 66.0°F 67.1°F
Destin 65.7°F 66.5°F
Pensacola Beach 65.2°F 66.7°F
Santa Rosa Beach 65.0°F 66.0°F

Best time for vacation in Fire Island

Sunniest months:
November 16 days
September 15 days
July 14 days
Warmest months:
July 82.0 °F
August 79.7 °F
June 75.4 °F
Warmest sea temp:
July 76.5 °F
August 76.1 °F
September 72.2 °F
Coldest months:
January 37.4 °F
February 38.2 °F
December 42.4 °F
Rainiest months:
March 3 days
December 3 days
April 3 days
Windiest months:
March 11.7 mph
January 11.5 mph
November 11.5 mph

Fire Island on a weather map

Fire Island
+81°F
W 2 mph
Feels like: +81°F
Precip.: 1%
Places in USA:
Name
°F
+75°F
+82°F
+81°F
+97°F
+84°F
+88°F
+75°F
+91°F
+84°F
+75°F
+64°F
+77°F
+84°F
+95°F
+77°F
24 Hours Forecast
Fire Island
Local time: 19:19
August 15, saturday
2100
75°F
N
2 mph
August 16, sunday
0000
73°F
NE
4 mph
0300
72°F
E
3 mph
0600
70°F
S
2 mph
0900
77°F
N
2 mph
1200
81°F
N
9 mph
1500
79°F
N
12 mph
1800
75°F
N
12 mph
Units of measurement: °C / °F