World Resorts USA Fire Island Weather

Fire Island Sea Temperature in January

Average sea water temperature in January:
+41.8°F
Minimum sea water temperature in January: 46.6°F
Maximum sea water temperature in January: 34.2°F

Daily sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 39.7°F. The highest and lowest sea temperatures during the month were 43.9°F and 36.3°F.

Monthly sea water temperature in Fire Island, °F

Which USA resorts have warmest sea in January?

Place name January 2025 January 2024
Kailua Kona 78.2°F 77.6°F
Honolulu 77.6°F 76.6°F
Hawaii 77.5°F 76.5°F
Maui 76.9°F 76.8°F
Oahu 76.5°F 75.6°F
Princeville 75.2°F 76.1°F
Fort Lauderdale 75.1°F 75.9°F
Kauai 75.0°F 76.0°F
Miami Beach 73.1°F 74.8°F
Islamorada 71.3°F 74.0°F
Key Largo 71.1°F 73.8°F
Miami 70.7°F 73.1°F
Key West 70.3°F 72.7°F
Everglades 68.6°F 71.6°F
South Padre Island 66.7°F 64.8°F
Marco Island 65.2°F 67.2°F
Naples 64.7°F 66.8°F
Cape Coral 64.3°F 66.2°F
Corpus Christi 61.6°F 60.3°F
Siesta Key 61.5°F 63.4°F

Best time for vacation in Fire Island

Sunniest months:
November 16 days
September 15 days
October 14 days
Warmest months:
July 81.4 °F
August 79.7 °F
June 74.2 °F
Warmest sea temp:
July 76.8 °F
August 76.1 °F
September 72.2 °F
Coldest months:
January 37.9 °F
February 38.8 °F
December 43.3 °F
Rainiest months:
December 3 days
March 3 days
April 3 days
Windiest months:
March 11.9 mph
January 11.6 mph
November 11.5 mph

Fire Island on a weather map

Fire Island
+19°F
S 7 mph
Feels like: +12°F
Precip.: 0%
Places in USA:
Name
°F
+28°F
+75°F
+75°F
+39°F
+50°F
+66°F
+77°F
+68°F
+19°F
+52°F
+46°F
+63°F
+61°F
+45°F
+3°F
24 Hours Forecast
Fire Island
Local time: 04:56
December 05, friday
0600
19°F
S
7 mph
0900
21°F
W
2 mph
1200
27°F
N
5 mph
1500
28°F
N
3 mph
1800
30°F
NW
2 mph
2100
30°F
NW
2 mph
December 06, saturday
0000
30°F
W
2 mph
0300
32°F
SW
3 mph
Units of measurement: °C / °F