World Resorts USA Fire Island Weather

Fire Island Sea Temperature in April

Average sea water temperature in April:
+48.0°F
Minimum sea water temperature in April: 55.9°F
Maximum sea water temperature in April: 41.7°F

Daily sea water temperature in April, °F

Show year:
2025
2024
2023

The average sea water temperature in April of 2025 was 46.2°F. The highest and lowest sea temperatures during the month were 50.2°F and 43.5°F.

Monthly sea water temperature in Fire Island, °F

Which USA resorts have warmest sea in April?

Place name April 2025 April 2024
Everglades 78.8°F 78.0°F
Key Largo 78.5°F 77.3°F
Islamorada 78.4°F 77.5°F
West Palm Beach 78.3°F 77.5°F
Miami Beach 78.3°F 77.1°F
Kailua Kona 78.1°F 76.9°F
Fort Lauderdale 78.0°F 76.9°F
Key West 78.0°F 77.6°F
Miami 77.9°F 76.9°F
Honolulu 77.4°F 76.2°F
Hawaii 77.3°F 76.1°F
Marco Island 77.3°F 76.6°F
Naples 77.0°F 76.3°F
Sanibel Island 76.7°F 75.8°F
Tampa 76.6°F 74.1°F
Maui 76.6°F 75.4°F
Oahu 76.4°F 75.0°F
St. Petersburg 76.3°F 74.2°F
Sarasota 76.0°F 74.3°F
Siesta Key 75.7°F 74.3°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 42.5 °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
+30°F
E 21 mph
Feels like: +18°F
Precip.: 0%
Places in USA:
Name
°F
+32°F
+73°F
+73°F
+50°F
+57°F
+64°F
+70°F
+68°F
+30°F
+63°F
+48°F
+64°F
+61°F
+41°F
+16°F
24 Hours Forecast
Fire Island
Local time: 00:43
December 30, tuesday
0300
28°F
E
22 mph
0600
28°F
E
20 mph
0900
28°F
E
19 mph
1200
30°F
E
20 mph
1500
30°F
E
19 mph
1800
30°F
E
19 mph
2100
28°F
E
17 mph
December 31, wednesday
0000
27°F
E
16 mph
Units of measurement: °C / °F