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Tour Stony Brook on Long Island
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Weather · July
Brookhaven weather in July
Average highs of 83°F, lows of 66°F and 3.2 in of rain, from 30 years of weather records.
July is Brookhaven’s warmest month, with average highs of 83°F and lows of 66°F. That is 6° warmer than June, and 22° above the yearly average high.
- Average high
- 83°F
- Average low
- 66°F
- Precipitation
- 3.2 in
- Wet days
- 10
- Sunrise · sunset
- 5:32 AM · 8:22 PM
July across the year
High and low Rain
What to wear in July
- Warm days: shorts and T-shirts.
- Pack an umbrella or rain jacket: rain or snow falls on about 10 days this month.
July is good for
What’s on in Brookhaven in July
See all upcoming events and school days off.
Around Brookhaven
See Brookhaven
A look around town before you go.
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Watch on YouTube ↗July compared with the months around it
Planning a trip? See the best time to visit Brookhaven and today’s forecast.
Questions
How hot does it get in Brookhaven in July?
Average highs are 83°F and average lows 66°F, for a daily mean of 74°F. Individual days run hotter or colder than these 30-year averages.
Does it rain in Brookhaven in July?
July averages 3.2 in of precipitation over about 10 days with at least 0.01 in. It is the 9th wettest month of the year.
What time is sunset in Brookhaven in July?
Around mid-July the sun rises about 5:32 AM and sets about 8:22 PM, for roughly 14.8 hours of daylight.
Is July a good time to visit Brookhaven?
Yes. July 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 July 15 at the city’s coordinates.