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Weather · May

Brookhaven weather in May

Average highs of 68°F, lows of 49°F and 3.5 in of rain, from 30 years of weather records.

May is Brookhaven’s 5th warmest month, with average highs of 68°F and lows of 49°F. That is 10° warmer than April, and 7° above the yearly average high.

Average high
68°F
Average low
49°F
Precipitation
3.5 in
Wet days
13
Sunrise · sunset
5:34 AM · 8:01 PM

May 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 May

  • Mild days: dress in layers, with a light jacket or sweater for mornings and evenings.
  • Pack an umbrella or rain jacket: rain or snow falls on about 13 days this month.

May is good for

Around Brookhaven

Davis Park Fire Island New York, Brookhaven
Davis Park Fire Island New Yorktmdovey · CC BY-SA 3.0
Brookhaven photograph by dans362
Brookhaven, NY, USAdans362 · CC BY 3.0
Yaphank Long Island Live Steamers, Brookhaven
Yaphank Long Island Live Steamerslostplanetcomics1 · CC BY 4.0

See Brookhaven

A look around town before you go.

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Tour Stony Brook on Long Island

A local activity video shared by Newsday.

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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 ↗

May compared with the months around it

MonthHighLowRain
April58°F40°F4.1 in
May68°F49°F3.5 in
June77°F60°F3.7 in

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

Questions

How hot does it get in Brookhaven in May?

Average highs are 68°F and average lows 49°F, for a daily mean of 59°F. Individual days run hotter or colder than these 30-year averages.

Does it rain in Brookhaven in May?

May averages 3.5 in of precipitation over about 13 days with at least 0.01 in. It is the 8th wettest month of the year.

What time is sunset in Brookhaven in May?

Around mid-May the sun rises about 5:34 AM and sets about 8:01 PM, for roughly 14.4 hours of daylight.

Is May a good time to visit Brookhaven?

Yes. May 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 May 15 at the city’s coordinates.

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