Brookhaven source photograph

Weather · August

Brookhaven weather in August

Average highs of 81°F, lows of 65°F and 3.0 in of rain, from 30 years of weather records.

August is Brookhaven’s 2nd warmest month, with average highs of 81°F and lows of 65°F. That is 1° cooler than July, and 20° above the yearly average high.

Average high
81°F
Average low
65°F
Precipitation
3.0 in
Wet days
11
Sunrise · sunset
6:01 AM · 7:51 PM

August across the year

  1. 39°24°Jan
  2. 41°25°Feb
  3. 47°31°Mar
  4. 58°40°Apr
  5. 68°49°May
  6. 77°60°Jun
  7. 83°66°Jul
  8. 81°65°Aug
  9. 74°57°Sep
  10. 64°46°Oct
  11. 54°37°Nov
  12. 45°29°Dec

High and low Rain

What to wear in August

  • Warm days: shorts and T-shirts.
  • Pack an umbrella or rain jacket: rain or snow falls on about 11 days this month.

August is good for

Around Brookhaven

Swezey-Avey House, Brookhaven
Swezey-Avey House -lostplanetcomics1 · CC BY 4.0
Davis Park Fire Island New York, Brookhaven
Davis Park Fire Island New Yorktmdovey · CC BY-SA 3.0
Aerial view of Wertheim National Wildlife Refuge after Hurricane Sandy (NY), Brookhaven
Aerial view of Wertheim National Wildlife Refuge after Hurricane Sandy (NY)U. S. Fish and Wildlife Service - Northeast Region · Public domain

See Brookhaven

A look around town before you go.

Tour Stony Brook on Long Island video thumbnail

THINGS TO DO · YOUTUBE SHORT

Tour Stony Brook on Long Island

A local activity video shared by Newsday.

Watch on YouTube ↗
Smith Point Beach 🏖 Fire Island National Seashore FINS Atlantic Ocean NY USA summer 2021 4K video video thumbnail

THINGS TO DO · YOUTUBE SHORT

Smith Point Beach 🏖 Fire Island National Seashore FINS Atlantic Ocean NY USA summer 2021 4K video

A local activity video shared by RyanReporting.

Watch on YouTube ↗

August compared with the months around it

MonthHighLowRain
July83°F66°F3.2 in
August81°F65°F3.0 in
September74°F57°F3.9 in

Planning a trip? See the best time to visit Brookhaven and today’s forecast.

Questions

How hot does it get in Brookhaven in August?

Average highs are 81°F and average lows 65°F, for a daily mean of 73°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Brookhaven in August?

August averages 3.0 in of precipitation over about 11 days with at least 0.01 in. It is the 12th wettest month of the year.

What time is sunset in Brookhaven in August?

Around mid-August the sun rises about 6:01 AM and sets about 7:51 PM, for roughly 13.8 hours of daylight.

Is August a good time to visit Brookhaven?

Yes. August is one of the mildest months, with highs between 65°F and 85°F and little rain.

NOAA U.S. Climate Normals 1991–2020, Shirley Brookhaven Ap station (3.7 mi from downtown). Sunrise and sunset are calculated for August 15 at the city’s coordinates.

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