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
Key West 88.8°F 87.8°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
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
Pensacola 86.5°F 87.2°F
Panama City Beach 86.2°F 86.8°F
Destin 86.0°F 86.9°F
Jacksonville 84.9°F 82.9°F
Orlando 84.9°F 83.4°F
St. Augustine 84.7°F 82.9°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 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:
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
NW 14 mph
Feels like: +81°F
Precip.: 23%
Places in USA:
Name
°F
+88°F
+91°F
+77°F
+100°F
+77°F
+90°F
+72°F
+91°F
+82°F
+73°F
+64°F
+77°F
+93°F
+95°F
+84°F
24 Hours Forecast
Fire Island
Local time: 13:00
July 21, tuesday
1500
77°F
NW
15 mph
1800
72°F
N
13 mph
2100
68°F
W
2 mph
July 22, wednesday
0000
72°F
N
11 mph
0300
72°F
NE
11 mph
0600
72°F
NE
11 mph
0900
77°F
NE
11 mph
1200
81°F
NE
14 mph
Units of measurement: °C / °F