World Resorts USA Fire Island Weather

Fire Island Sea Temperature in May

Average sea water temperature in May:
+55.7°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:
2026
2025
2024

The average sea water temperature in May of 2026 was 53.4°F. The highest and lowest sea temperatures during the month were 56.5°F and 50.4°F.

Monthly sea water temperature in Fire Island, °F

Which USA resorts have warmest sea in May?

Place name May 2026 May 2025
Everglades 84.6°F 84.5°F
Key West 84.3°F 83.5°F
Key Largo 84.0°F 83.5°F
Miami 83.3°F 82.6°F
Cape Coral 83.3°F 83.4°F
Marco Island 83.2°F 83.5°F
Hialeah 82.9°F 82.3°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
St. Petersburg 82.0°F 82.6°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Fort Lauderdale 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Siesta Key 81.3°F 82.5°F
Cocoa Beach 80.4°F 79.4°F
Corpus Christi 79.5°F 80.9°F
Galveston 78.4°F 79.6°F
Orlando 78.4°F 77.2°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 37.4 °F
February 38.2 °F
December 42.4 °F
Rainiest months:
December 3 days
March 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
+77°F
N 11 mph
Feels like: +77°F
Precip.: 0%
Places in USA:
Name
°F
+77°F
+77°F
+100°F
+79°F
+88°F
+90°F
+72°F
+79°F
+70°F
+64°F
+68°F
+95°F
+102°F
+88°F
+77°F
24 Hours Forecast
Fire Island
Local time: 16:22
June 08, monday
1800
72°F
N
11 mph
2100
61°F
N
9 mph
June 09, tuesday
0000
59°F
NE
9 mph
0300
61°F
NE
8 mph
0600
63°F
NE
8 mph
0900
70°F
NE
11 mph
1200
73°F
NE
12 mph
1500
75°F
NE
14 mph
Units of measurement: °C / °F