Brookhaven climate

Brookhaven Weather in January

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

Average highs run from 41°F on January 1 to 41°F on January 31, and lows from 26°F to 24°F. Normal precipitation for the month is 3.12 in over about 16 wet days.

January 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.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
40°F
Average low
24°F
Precipitation
3.12 in
Snowfall
5.2 in
Record high
76°FJan 1, 1892
Record low
-20°FJan 16, 1972
Chance of a freeze
100%
Daylight
9 h 26 min to 10 h 11 min
Cloud cover
77%
Humidity
88%
Dew point
24°F
Wind
6.7 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
Jan 141°F26°F76°F 1892-4°F 196848%9%
Jan 241°F25°F70°F 2000-8°F 196848%9%
Jan 341°F25°F67°F 2000-5°F 187949%9%
Jan 441°F25°F71°F 1950-2°F 198149%10%
Jan 541°F25°F69°F 1998-4°F 196849%10%
Jan 640°F25°F72°F 1946-4°F 201449%10%
Jan 740°F25°F68°F 2008-7°F 201449%10%
Jan 840°F25°F72°F 2008-11°F 197049%11%
Jan 940°F24°F70°F 1946-9°F 197049%11%
Jan 1040°F24°F64°F 2020-8°F 198249%11%
Jan 1140°F24°F74°F 2020-6°F 198250%11%
Jan 1240°F24°F68°F 2013-4°F 198150%11%
Jan 1340°F24°F72°F 2005-12°F 197750%11%
Jan 1440°F24°F71°F 19952°F 196450%12%
Jan 1540°F24°F67°F 1995-14°F 197250%12%
Jan 1640°F24°F62°F 1949-20°F 197249%12%
Jan 1740°F24°F66°F 1990-16°F 198249%12%
Jan 1840°F24°F68°F 1996-13°F 199449%12%
Jan 1940°F24°F69°F 1996-19°F 199449%12%
Jan 2040°F24°F69°F 1951-17°F 198549%13%
Jan 2140°F23°F73°F 1959-18°F 198549%13%
Jan 2240°F23°F72°F 1999-9°F 202549%13%
Jan 2340°F23°F73°F 1999-3°F 197749%13%
Jan 2440°F23°F72°F 1967-15°F 196349%13%
Jan 2540°F23°F75°F 1950-7°F 196148%13%
Jan 2640°F23°F68°F 1950-4°F 194848%12%
Jan 2740°F24°F64°F 1967-1°F 200348%12%
Jan 2840°F24°F64°F 2002-9°F 201448%12%
Jan 2940°F24°F69°F 1975-12°F 196348%12%
Jan 3041°F24°F74°F 2013-2°F 201447%12%
Jan 3141°F24°F75°F 2002-7°F 202647%12%

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 (EST).

January 1
sunrise 7:40 AM, sunset 5:06 PM
January 31
sunrise 7:28 AM, sunset 5:39 PM

Every day of January: 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.