Ann Arbor climate

Ann Arbor Weather in January

NOAA 1991-2020 normals for Ann Arbor Se, 5.6 km from Ann Arbor

Average highs run from 33°F on January 1 to 32°F on January 31, and lows from 19°F to 14°F. Normal precipitation for the month is 2.84 in over about 18 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 Ann Arbor, in °F, with the record for each date.-40-20020406080151015202530
  • Normal low
  • Normal high
  • Record high
  • Record low

January at a glance

Average high
32°F
Average low
16°F
Precipitation
2.84 in
Snowfall
16.6 in
Record high
63°FJan 7, 2008
Record low
-21°FJan 24, 2026
Chance of a freeze
100%
Daylight
9 h 09 min to 9 h 59 min
Cloud cover
72%
Humidity
89%
Dew point
19°F
Wind
12.8 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 133°F19°F53°F 2011-12°F 201857%43%
Jan 232°F19°F56°F 2000-11°F 200157%43%
Jan 332°F19°F56°F 2004-13°F 200858%43%
Jan 432°F19°F58°F 2023-2°F 199958%44%
Jan 532°F18°F50°F 2007-14°F 199958%44%
Jan 632°F18°F55°F 2008-17°F 201858%44%
Jan 732°F18°F63°F 2008-15°F 201458%45%
Jan 832°F18°F60°F 2008-18°F 201458%45%
Jan 932°F18°F59°F 2026-16°F 201458%45%
Jan 1032°F17°F50°F 2020-9°F 201058%45%
Jan 1132°F17°F58°F 2013-3°F 199958%46%
Jan 1232°F17°F60°F 2013-3°F 200958%46%
Jan 1332°F17°F55°F 2005-10°F 200958%46%
Jan 1432°F16°F46°F 2002-16°F 200958%46%
Jan 1531°F16°F40°F 2016-13°F 200958%47%
Jan 1631°F16°F41°F 2012-13°F 200958%47%
Jan 1731°F16°F52°F 2012-16°F 200958%47%
Jan 1831°F16°F41°F 1999-5°F 200558%48%
Jan 1931°F16°F49°F 20130°F 200058%48%
Jan 2031°F15°F53°F 2006-11°F 200958%48%
Jan 2131°F15°F58°F 2017-15°F 201458%49%
Jan 2231°F15°F53°F 2018-18°F 201458%49%
Jan 2331°F15°F53°F 1999-19°F 202658%49%
Jan 2431°F15°F47°F 2010-21°F 202658%49%
Jan 2532°F15°F46°F 2017-18°F 200458%49%
Jan 2632°F15°F52°F 2002-11°F 200958%50%
Jan 2732°F15°F55°F 2002-14°F 200357%50%
Jan 2832°F15°F55°F 2002-16°F 201457%50%
Jan 2932°F14°F57°F 2013-13°F 202257%50%
Jan 3032°F14°F61°F 2013-17°F 201957%50%
Jan 3132°F14°F54°F 2012-20°F 201957%50%

Chance of rain

The chance of at least 0.01 inch of precipitation on each date at Ann Arbor, in percent, and of at least 0.1 inch of snowfall.02040601102030
  • Chance of a wet day
  • Chance of snowfall

Sunrise and sunset

Times for 2026, local time (EST).

January 1
sunrise 8:04 AM, sunset 5:13 PM
January 31
sunrise 7:49 AM, sunset 5:48 PM

Every day of January: sun and moon

Other months

Sources

Normals: NOAA NCEI U.S. Climate Normals, 1991-2020, station USC00200228 (Ann Arbor Se), public domain. Records: NOAA GHCN-Daily, station USW00094889, 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.