Brookhaven climate

Brookhaven Weather in March

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

Average highs run from 47°F on March 1 to 59°F on March 31, and lows from 29°F to 37°F. Normal precipitation for the month is 3.65 in over about 14 wet days.

March 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.-20020406080100151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

March at a glance

Average high
53°F
Average low
33°F
Precipitation
3.65 in
Snowfall
1.7 in
Record high
86°FMar 23, 1966
Record low
-3°FMar 6, 2015
Chance of a freeze
100%
Daylight
11 h 20 min to 12 h 38 min
Cloud cover
73%
Humidity
83%
Dew point
33°F
Wind
6.0 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
Mar 147°F29°F75°F 19729°F 196746%6%
Mar 248°F29°F74°F 19915°F 198046%6%
Mar 348°F29°F75°F 19744°F 201446%6%
Mar 448°F29°F79°F 19761°F 201446%6%
Mar 549°F30°F80°F 19835°F 201546%6%
Mar 649°F30°F75°F 1946-3°F 201546%5%
Mar 749°F30°F83°F 20266°F 196046%5%
Mar 850°F30°F79°F 20004°F 198646%5%
Mar 950°F31°F77°F 20165°F 196046%5%
Mar 1050°F31°F78°F 20264°F 199646%5%
Mar 1151°F31°F79°F 20265°F 196046%5%
Mar 1251°F31°F80°F 19909°F 198446%4%
Mar 1351°F32°F79°F 199011°F 196046%4%
Mar 1452°F32°F80°F 197311°F 199347%4%
Mar 1552°F32°F80°F 19908°F 199347%4%
Mar 1652°F33°F75°F 199012°F 199247%4%
Mar 1753°F33°F79°F 201213°F 196747%4%
Mar 1853°F33°F76°F 196611°F 199347%4%
Mar 1954°F33°F83°F 20258°F 196747%3%
Mar 2054°F34°F82°F 201212°F 196547%3%
Mar 2154°F34°F83°F 19487°F 196547%3%
Mar 2255°F34°F85°F 201213°F 196547%3%
Mar 2355°F35°F86°F 196618°F 195947%3%
Mar 2456°F35°F80°F 201614°F 201447%3%
Mar 2556°F35°F82°F 195410°F 197447%2%
Mar 2656°F35°F81°F 196714°F 195547%2%
Mar 2757°F36°F85°F 195015°F 195547%2%
Mar 2857°F36°F84°F 202010°F 198247%2%
Mar 2958°F36°F83°F 197714°F 201547%2%
Mar 3058°F37°F82°F 198612°F 197047%2%
Mar 3159°F37°F80°F 202618°F 196547%2%

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).

March 1
sunrise 6:52 AM, sunset 6:12 PM
March 31
sunrise 7:05 AM, sunset 7:43 PM

Every day of March: 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.