World Resorts USA Fire Island Weather

Fire Island weather in July

Weather in Fire Island: July

Average day temperature: 82.0°F
Average night temperature: 72.9°F
Sea water temperature: 76.5°F
Number of sunny days: 14 days
Day length: 14.3 - 15.0 hours
Number of rainy days: 2 days
Precipitation totals: 1.4 in.

Air temperature in July, °F

Show year:
2026
2025
2024

The highest day temperature during July of 2026 was 104°F. At the same time the lowest night temperature was 59°F. Daily and nightly averages during July were 85.5°F and 68.3°F.

Sea water temperature in Fire Island in July, °F

Show year:
2026
2025
2024

The average sea water temperature in July of 2026 was 74.5°F. The highest and lowest sea temperatures during the month were 81.5°F and 71.6°F.

Sunny, partly cloudy and cloudy days

Mostly all days in July are sunny but cloudy days are also possible.

Precipitation total in July, in.

Precipitation total value in Fire Island in July is 1.4 in. Other months of the year show relatively similar values.

Wind speed in July, mph

The average wind speed value in July is 8.3 mph It makes July lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in July is: 9.1.

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 80.2 °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
April 3 days
August 3 days
Windiest months:
March 11.7 mph
January 11.5 mph
November 11.5 mph

Fire Island on a weather map

Fire Island
+61°F
SW 11 mph
Feels like: +61°F
Precip.: 2%
Places in USA:
Name
°F
+55°F
+64°F
+79°F
+77°F
+70°F
+81°F
+63°F
+63°F
+68°F
+59°F
+68°F
+73°F
+81°F
+64°F
24 Hours Forecast
Fire Island
Local time: 05:19
September 19, saturday
0600
61°F
SW
11 mph
0900
63°F
SW
11 mph
1200
68°F
SW
7 mph
1500
70°F
NW
7 mph
1800
64°F
NW
9 mph
2100
63°F
NW
7 mph
September 20, sunday
0000
63°F
NW
7 mph
0300
61°F
NW
6 mph
Units of measurement: °C / °F