Guilford climate

Guilford Weather in January

NOAA 1991-2020 normals for New Haven Tweed AP, 17.4 km from Guilford

Average highs run from 40°F on January 1 to 38°F on January 31, and lows from 25°F to 22°F. Normal precipitation for the month is 2.72 in over about 10 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 Guilford, in °F, with the record for each date.-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
38°F
Average low
23°F
Precipitation
2.72 in
Record high
69°FJan 12, 2020
Record low
-8°FJan 19, 1948
Chance of a freeze
100%
Daylight
9 h 15 min to 10 h 03 min
Cloud cover
64%
Humidity
87%
Dew point
24°F
Wind
7.2 mph

Every day of the month

A wet day has at least 0.01 inch of precipitation.

DateNormal highNormal lowRecord highRecord lowChance wet
Jan 140°F25°F60°F 19663°F 201834%
Jan 239°F25°F54°F 20222°F 196834%
Jan 339°F25°F53°F 19604°F 201434%
Jan 439°F25°F62°F 20232°F 201434%
Jan 539°F24°F55°F 19505°F 197734%
Jan 639°F24°F66°F 20076°F 201834%
Jan 739°F24°F56°F 20120°F 201833%
Jan 838°F24°F59°F 1949-1°F 196833%
Jan 938°F24°F62°F 2008-5°F 196833%
Jan 1038°F23°F58°F 20160°F 200433%
Jan 1138°F23°F57°F 20201°F 196833%
Jan 1238°F23°F69°F 20202°F 196833%
Jan 1338°F23°F57°F 20235°F 195832%
Jan 1438°F23°F60°F 1950-1°F 195432%
Jan 1538°F23°F52°F 1962-6°F 195732%
Jan 1638°F23°F53°F 1953-4°F 200932%
Jan 1738°F23°F55°F 19491°F 197131%
Jan 1838°F22°F57°F 2006-3°F 195731%
Jan 1938°F22°F54°F 1951-8°F 194831%
Jan 2038°F22°F57°F 19514°F 195730%
Jan 2138°F22°F56°F 2006-2°F 196130%
Jan 2238°F22°F53°F 1959-7°F 196130%
Jan 2338°F22°F54°F 19740°F 197630%
Jan 2438°F22°F65°F 1967-2°F 201129%
Jan 2538°F22°F59°F 20242°F 196129%
Jan 2638°F22°F56°F 19502°F 194829%
Jan 2738°F22°F63°F 19744°F 200329%
Jan 2838°F22°F54°F 2006-3°F 196129%
Jan 2938°F22°F66°F 2002-2°F 200529%
Jan 3038°F22°F56°F 20022°F 194829%
Jan 3138°F22°F59°F 2013-1°F 194829%

Chance of rain

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

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 7:17 AM, sunset 4:32 PM
January 31
sunrise 7:03 AM, sunset 5:06 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USW00014758 (New Haven Tweed AP), public domain. Records: NOAA GHCN-Daily, station USW00014758, 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.