Trooper climate

Trooper Weather in January

NOAA 1991-2020 normals for Norristown, 7.1 km from Trooper

Average highs run from 43°F on January 1 to 41°F on January 31, and lows from 25°F to 22°F. Normal precipitation for the month is 3.66 in over about 11 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 Trooper, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
42°F
Average low
23°F
Precipitation
3.66 in
Snowfall
6.8 in
Record high
76°FJan 7, 2007
Record low
-12°FJan 18, 1982
Chance of a freeze
100%
Daylight
9 h 23 min to 10 h 08 min
Cloud cover
66%
Humidity
86%
Dew point
25°F
Wind
6.9 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 143°F25°F64°F 19734°F 201835%7%
Jan 243°F24°F64°F 20053°F 196835%7%
Jan 343°F24°F62°F 19796°F 201835%7%
Jan 443°F24°F62°F 20054°F 198136%7%
Jan 542°F24°F64°F 20234°F 198136%7%
Jan 642°F24°F66°F 20076°F 201836%8%
Jan 742°F23°F76°F 20071°F 201436%8%
Jan 842°F23°F69°F 20082°F 201436%8%
Jan 942°F23°F68°F 20080°F 198136%8%
Jan 1042°F23°F62°F 20060°F 200436%8%
Jan 1142°F23°F65°F 2016-4°F 198236%8%
Jan 1242°F23°F68°F 2020-3°F 198236%9%
Jan 1342°F23°F65°F 1972-1°F 198136%9%
Jan 1442°F22°F68°F 20051°F 198136%9%
Jan 1542°F22°F64°F 20172°F 195736%9%
Jan 1641°F22°F64°F 2007-2°F 200436%10%
Jan 1741°F22°F62°F 1973-8°F 198236%10%
Jan 1841°F22°F64°F 1973-12°F 198236%10%
Jan 1941°F22°F63°F 19860°F 198236%10%
Jan 2041°F22°F57°F 19544°F 200336%11%
Jan 2141°F22°F62°F 2006-5°F 198536%11%
Jan 2241°F22°F64°F 2006-5°F 198536%11%
Jan 2341°F22°F66°F 19670°F 202536%11%
Jan 2441°F22°F70°F 1967-1°F 202636%11%
Jan 2541°F22°F72°F 1967-1°F 202635%11%
Jan 2641°F22°F70°F 19674°F 202535%12%
Jan 2741°F22°F65°F 19545°F 200335%12%
Jan 2841°F22°F66°F 20022°F 198735%12%
Jan 2941°F22°F68°F 2002-1°F 202635%12%
Jan 3041°F22°F72°F 20020°F 202635%12%
Jan 3141°F22°F68°F 2013-4°F 202635%12%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Trooper, in percent, and of at least 0.1 inch of snowfall.0102030401102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 7:24 AM, sunset 4:47 PM
January 31
sunrise 7:11 AM, sunset 5:19 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00366370 (Norristown), public domain. Records: NOAA GHCN-Daily, station USC00366370, 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.