World Resorts USA Fire Island Weather

Fire Island Sea Temperature in August

Average sea water temperature in August:
+76.3°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:
2026
2025
2024

The average sea water temperature in August of 2026 was 77.6°F. The highest and lowest sea temperatures during the month were 80.1°F and 74.3°F.

Monthly sea water temperature in Fire Island, °F

Which USA resorts have warmest sea in August?

Place name August 2026 August 2025
Key West 88.1°F 88.8°F
New Orleans 87.7°F 87.4°F
Houston 87.7°F 87.8°F
Naples 87.3°F 88.7°F
St. George Island 86.5°F 86.5°F
Miami 86.4°F 88.1°F
Miami Beach 86.4°F 87.9°F
Santa Rosa Beach 86.1°F 85.9°F
Sarasota 86.1°F 88.6°F
Panama City Beach 86.1°F 86.2°F
West Palm Beach 86.1°F 86.8°F
Pensacola Beach 86.0°F 86.6°F
Destin 85.9°F 86.0°F
Hilton Head Island 85.9°F 85.0°F
Clearwater Beach 85.9°F 88.5°F
Tampa 85.8°F 88.6°F
Edisto Beach 85.7°F 84.3°F
Tybee Island 85.7°F 84.5°F
Fort Walton Beach 85.6°F 86.0°F
Charleston (SC) 85.3°F 84.1°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