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
Key West 84.3°F 83.5°F
Miami 83.3°F 82.6°F
Naples 82.9°F 83.5°F
Miami Beach 82.7°F 82.4°F
Tampa 81.9°F 82.7°F
West Palm Beach 81.7°F 81.1°F
Clearwater Beach 81.5°F 82.6°F
Sarasota 81.5°F 82.7°F
Cocoa Beach 80.4°F 79.4°F
Orlando 78.4°F 77.2°F
Houston 78.4°F 79.5°F
Daytona Beach 78.1°F 76.0°F
New Orleans 78.0°F 79.5°F
Honolulu 78.0°F 78.1°F
Hawaii 77.9°F 78.0°F
St. George Island 77.8°F 79.2°F
Maui 77.0°F 77.5°F
Panama City Beach 76.8°F 79.0°F
St. Augustine 76.7°F 76.9°F
Santa Rosa Beach 76.4°F 78.8°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: 19:18
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