World Resorts USA Fire Island Weather

Fire Island Sea Temperature in August

Average sea water temperature in August:
+76.2°F
Minimum sea water temperature in August: 82.8°F
Maximum sea water temperature in August: 69.6°F

Daily sea water temperature in August, °F

Show year:
2025
2024
2023

The average sea water temperature in August of 2025 was 73.8°F. The highest and lowest sea temperatures during the month were 78.4°F and 69.6°F.

Monthly sea water temperature in Fire Island, °F

Which USA resorts have warmest sea in August?

Place name August 2025 August 2024
Sanibel Island 88.8°F 87.3°F
Everglades 88.8°F 87.0°F
Key West 88.8°F 87.8°F
Key Largo 88.7°F 87.3°F
Naples 88.7°F 87.0°F
St. Petersburg 88.7°F 86.9°F
Tampa 88.6°F 86.4°F
Sarasota 88.6°F 87.2°F
Siesta Key 88.6°F 87.3°F
Clearwater Beach 88.5°F 87.0°F
Miami 88.1°F 86.4°F
Miami Beach 87.9°F 86.5°F
Galveston 87.9°F 88.3°F
Houston 87.8°F 88.0°F
New Orleans 87.4°F 88.1°F
Fort Lauderdale 87.2°F 85.8°F
Corpus Christi 87.0°F 87.9°F
West Palm Beach 86.8°F 86.2°F
Cocoa Beach 86.8°F 84.5°F
Pensacola Beach 86.6°F 87.4°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 37.4 °F
February 38.8 °F
December 42.4 °F
Rainiest months:
March 3 days
December 3 days
April 3 days
Windiest months:
March 11.9 mph
January 11.5 mph
November 11.5 mph

Fire Island on a weather map

Fire Island
+45°F
SE 4 mph
Feels like: +45°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+72°F
+72°F
+82°F
+77°F
+77°F
+73°F
+68°F
+45°F
+81°F
+59°F
+73°F
+77°F
+77°F
+36°F
24 Hours Forecast
Fire Island
Local time: 16:32
February 26, thursday
1800
39°F
SW
2 mph
2100
32°F
S
1 mph
February 27, friday
0000
28°F
S
4 mph
0300
27°F
SW
3 mph
0600
23°F
SW
2 mph
0900
25°F
NW
2 mph
1200
30°F
N
5 mph
1500
34°F
NE
7 mph
Units of measurement: °C / °F