Brookhaven climate

Brookhaven Weather in July

NOAA 1991-2020 normals for Morgantown Hart Fld, 3.6 km from Brookhaven

Average highs run from 84°F on July 1 to 84°F on July 31, and lows from 63°F to 64°F. Normal precipitation for the month is 4.93 in over about 12 wet days.

July 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.406080100120151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

July at a glance

Average high
84°F
Average low
64°F
Precipitation
4.93 in
Record high
108°FJul 25, 1892
Record low
41°FJul 1, 1988
Chance of a freeze
0%
Days of 90°F or more
5.4
Daylight
14 h 55 min to 14 h 15 min
Cloud cover
62%
Humidity
73%
Dew point
62°F
Wind
3.4 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
Jul 184°F63°F97°F 196641°F 198841%0%
Jul 284°F63°F101°F 196645°F 198841%0%
Jul 384°F63°F98°F 196649°F 200141%0%
Jul 484°F64°F95°F 196647°F 196341%0%
Jul 585°F64°F96°F 194945°F 197941%0%
Jul 685°F64°F98°F 201246°F 195141%0%
Jul 785°F64°F101°F 201245°F 198340%0%
Jul 885°F64°F99°F 189247°F 198340%0%
Jul 985°F64°F98°F 198845°F 196340%0%
Jul 1085°F64°F94°F 198847°F 196140%0%
Jul 1185°F64°F94°F 194648°F 195340%0%
Jul 1285°F64°F93°F 196846°F 197340%0%
Jul 1385°F64°F95°F 199550°F 197640%0%
Jul 1485°F64°F98°F 189252°F 197640%0%
Jul 1585°F64°F99°F 199547°F 198740%0%
Jul 1685°F64°F100°F 198849°F 195440%0%
Jul 1785°F64°F97°F 195352°F 198539%0%
Jul 1885°F64°F97°F 196853°F 197639%0%
Jul 1985°F64°F94°F 187853°F 198439%0%
Jul 2084°F64°F96°F 197751°F 196539%0%
Jul 2184°F64°F102°F 189246°F 196539%0%
Jul 2284°F64°F98°F 189250°F 196539%0%
Jul 2384°F64°F102°F 189250°F 194739%0%
Jul 2484°F64°F103°F 189249°F 194739%0%
Jul 2584°F64°F108°F 189250°F 194739%0%
Jul 2684°F64°F103°F 189253°F 194639%0%
Jul 2784°F64°F99°F 189249°F 196239%0%
Jul 2884°F64°F97°F 189252°F 196239%0%
Jul 2984°F64°F95°F 189250°F 196539%0%
Jul 3084°F64°F95°F 197550°F 196539%0%
Jul 3184°F64°F97°F 199951°F 199739%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).

July 1
sunrise 5:56 AM, sunset 8:51 PM
July 31
sunrise 6:18 AM, sunset 8:33 PM

Every day of July: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00013736 (Morgantown Hart Fld), public domain. Records: NOAA GHCN-Daily, station USW00013736, 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.