Fire Island National Seashore in August
August at Fire Island National Seashore averages a daytime high near 80°F and an overnight low around 69°F, with about 5.8" of precipitation. Visitation runs about 2.6× the park's average month, which makes August a very busy month here.
- Average low
- 69°F
- Average high
- 80°F
Range across the year: 26°F to 80°F
- Precipitation
- 5.8 in
- Daylight
- 13.6 hours
Roughly 22% of the park's yearly visitors come in August: about 73,000 recreation visits in a typical year, based on National Park Service monthly counts from 1979 to 2025.
It is the single busiest month of the year at Fire Island; January, the quietest, runs only about 0.2× the average — a 12-to-1 swing between high and low season.
On our Best Time to Visit score August rates 40/100 ("Poor"). Our recommended month is May: pleasant weather with noticeably thinner crowds (shoulder season).
The daily average of about 75°F is a comfortable range for hiking and being outdoors all day. These figures are 1991–2020 NOAA climate normals from the nearest station, about 5 miles from the park.
August falls inside the park's busiest stretch: June, July and August together pull about 55% of the year's visitors, so a visit this month means sharing the park with the peak-season crowd.
You'll have about 13.6 hours of daylight in August to explore — between the 9.1-hour midwinter low and the 14.9-hour summer high.
Park-wide, 2025 drew 305,520 recreation visits, up 0.6% from 303,731 in 2024.
Across the past decade overall visitation has eased about 16.8%, so August may feel a touch quieter than it once did.
How August compares with the months around it
| Month | Avg high / low | Crowds | Best-time score |
|---|---|---|---|
| July | 80°F / 70°F | 2.5× Very busy | 45 Fair |
| August | 80°F / 69°F | 2.6× Very busy | 40 Poor |
| September | 73°F / 61°F | 1.4× Busy | 66 Good |
All twelve months at Fire Island, with the best time to visit.
Things to do at Fire Island in August
The National Park Service tags 4 Fire Island activities for summer. Each links to the park's own page for it.
- Boating Fire Island · reservation required
- Birding at Fire Island
- Fishing Fire Island
- Tour the Tower!
Frequently Asked Questions
August averages a daytime high near 80°F and an overnight low around 69°F at Fire Island National Seashore, with about 5.8 inches of precipitation. These are 1991–2020 NOAA climate normals from the nearest station, about 5 miles from the park, so conditions inside the park can differ, especially at other elevations.
August is very busy at Fire Island National Seashore (about 2.6× the average month). Our best-time score rates it "Poor" at 40/100. Our recommended month is May.
The busiest month is August and the quietest is January. August sits at about 2.6× the park's average, or 22% of annual visitation.
A typical August sees about 73,000 recreation visits at Fire Island National Seashore, based on National Park Service monthly counts from 1979–2025.
Where to stay near Fire Island in August
Booking a August trip to Fire Island National Seashore? Compare hotels, cabins and vacation rentals near the park with live August availability and prices.
Top-rated places to stay near Fire Island
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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See the full ranking of the best national parks to visit in August.
Source: National Park Service Visitor Use Statistics (1979–2025), NOAA NCEI Climate Normals 1991–2020. Updated 2026-10-11.