World Resorts USA Fire Island Weather

Fire Island Sea Temperature in May

Average sea water temperature in May:
+56.1°F
Minimum sea water temperature in May: 66.4°F
Maximum sea water temperature in May: 48.9°F

Daily sea water temperature in May, °F

Show year:
2025
2024
2023

The average sea water temperature in May of 2025 was 54.4°F. The highest and lowest sea temperatures during the month were 57.7°F and 49.6°F.

Monthly sea water temperature in Fire Island, °F

Which USA resorts have warmest sea in May?

Place name May 2025 May 2024
Everglades 84.5°F 84.6°F
Islamorada 83.6°F 84.4°F
Key West 83.5°F 84.6°F
Naples 83.5°F 83.8°F
Marco Island 83.5°F 84.0°F
Key Largo 83.5°F 84.1°F
Cape Coral 83.4°F 83.6°F
Sanibel Island 83.1°F 83.2°F
Sarasota 82.7°F 82.9°F
Tampa 82.7°F 82.5°F
St. Petersburg 82.6°F 82.4°F
Clearwater Beach 82.6°F 82.5°F
Miami 82.6°F 83.3°F
Siesta Key 82.5°F 82.6°F
Miami Beach 82.4°F 83.0°F
Fort Lauderdale 81.1°F 81.7°F
West Palm Beach 81.1°F 81.5°F
Corpus Christi 80.9°F 81.0°F
Pensacola 80.1°F 79.4°F
South Padre Island 80.0°F 81.1°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
+27°F
SE 14 mph
Feels like: +19°F
Precip.: 0%
Places in USA:
Name
°F
+30°F
+75°F
+75°F
+48°F
+55°F
+68°F
+75°F
+68°F
+23°F
+57°F
+57°F
+61°F
+55°F
+70°F
+32°F
24 Hours Forecast
Fire Island
Local time: 05:22
December 22, monday
0600
27°F
SE
14 mph
0900
27°F
SE
11 mph
1200
34°F
SE
8 mph
1500
34°F
E
11 mph
1800
34°F
E
7 mph
2100
34°F
E
11 mph
December 23, tuesday
0000
34°F
E
11 mph
0300
32°F
E
11 mph
Units of measurement: °C / °F