Brookhaven climate

Brookhaven Weather in May

NOAA 1991-2020 normals for Shirley Brookhaven AP, 6.1 km from Brookhaven

Average highs run from 63°F on May 1 to 72°F on May 31, and lows from 45°F to 54°F. Normal precipitation for the month is 3.47 in over about 13 wet days.

May day by day

The normal high and low for each date, and the record, in °F.

Normal daily high and low temperature at Brookhaven, in °F, with the record for each date.20406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

May at a glance

Average high
68°F
Average low
49°F
Precipitation
3.47 in
Record high
93°FMay 31, 2022
Record low
30°FMay 7, 2001
Chance of a freeze
12%
Daylight
13 h 58 min to 14 h 53 min
Cloud cover
63%
Humidity
81%
Dew point
51°F
Wind
7.8 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation; snow means at least 0.1 inch of snowfall.

DateNormal highNormal lowRecord highRecord lowChance wetChance of snow
May 163°F45°F83°F 200131°F 200042%0%
May 264°F45°F84°F 200135°F 200542%0%
May 364°F45°F84°F 200135°F 200542%0%
May 464°F46°F89°F 200132°F 200242%0%
May 565°F46°F80°F 200032°F 200342%0%
May 665°F46°F85°F 200035°F 200142%0%
May 765°F46°F88°F 200030°F 200142%0%
May 866°F47°F85°F 200032°F 200142%0%
May 966°F47°F81°F 200036°F 202042%0%
May 1066°F47°F81°F 200138°F 201042%0%
May 1166°F48°F84°F 200135°F 201043%0%
May 1267°F48°F85°F 202340°F 200543%0%
May 1367°F48°F82°F 202334°F 200543%0%
May 1467°F49°F77°F 202235°F 202043%0%
May 1567°F49°F79°F 202039°F 201343%0%
May 1668°F49°F79°F 201736°F 200043%0%
May 1768°F50°F83°F 202637°F 200343%0%
May 1868°F50°F87°F 201734°F 200343%0%
May 1968°F50°F87°F 201733°F 200243%0%
May 2069°F51°F88°F 202633°F 200243%0%
May 2169°F51°F89°F 202234°F 200243%0%
May 2269°F51°F85°F 202137°F 200243%0%
May 2370°F52°F89°F 202141°F 200643%0%
May 2470°F52°F83°F 202440°F 200642%0%
May 2570°F52°F86°F 200742°F 200642%0%
May 2670°F53°F92°F 201042°F 201342%0%
May 2771°F53°F87°F 201440°F 201342%0%
May 2871°F53°F82°F 201247°F 201342%0%
May 2971°F54°F81°F 201242°F 200441%0%
May 3071°F54°F86°F 201339°F 200441%0%
May 3172°F54°F93°F 202240°F 202641%0%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Brookhaven, in percent, and of at least 0.1 inch of snowfall.010203040501102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EDT).

May 1
sunrise 5:50 AM, sunset 7:48 PM
May 31
sunrise 5:23 AM, sunset 8:16 PM

Every day of May: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00054790 (Shirley Brookhaven AP), public domain. Records: NOAA GHCN-Daily, station USW00054790, every year on file, quality-flagged values removed. Cloud, humidity, wind and sunshine: NASA POWER (MERRA-2, CERES and GEWEX SRB), 1991-2020. The data was obtained from the National Aeronautics and Space Administration (NASA) Langley Research Center's Prediction Of Worldwide Energy Resources (POWER) project funded through the NASA Earth Science Division: POWER Daily API v2, accessed 2026-09-24. Sun and moon: computed with the NOAA solar equations and Meeus.