Climateby Month

Ann Arbor, MI weather in March

NOAA 1991-2020 normals and daily records · Ann Arbor all year

Expect chilly weather with frequent rain and some snow in Ann Arbor in March, with highs near 46°F and lows near 25°F. Rain or snow falls on about 14 days. Snowfall averages about 8.3 in.

Normal high
46°F
Normal low
25°F
Wet days
14
2.8 in total
Snowfall
8.3 in
snow on the ground 7 days

How March changes from start to finish

Normal values at the start and end of March
March 1March 31
Normal high40°F53°F
Normal low21°F30°F
Chance of a wet day49%47%
Sunrise / sunset7:10 am / 6:24 pm7:18 am / 7:59 pm
Daylight11.2 h12.7 h

Chance of a wet day: average for the first and last 7 days of the month. Times are local clock time (Eastern Time).

A typical March day

  1. 6 am31°Fdew point 25°F
  2. 9 am35°Fdew point 26°F
  3. Noon41°Fdew point 27°F
  4. 3 pm44°Fdew point 27°F
  5. 6 pm42°Fdew point 27°F
  6. 9 pm36°Fdew point 27°F

NOAA hourly normals (local standard time) from Detroit Willow Run Airport (10 mi away); average wind 10 mph; clear or few clouds in 44% of daytime hours, mostly cloudy or overcast in 51%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F3 of 31
  • Hot dayshigh 90°F or more0 of 31
  • Muggy daysdaily mean dew point 65°F or more0 of 31
  • Wet daysat least 0.01 in of rain or melted snow14 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below22 of 31
  • Snow on the groundsnow depth 1 in or more7 of 31

Average days per March, counted from daily records for each year 1991-2020.

Rain and snow in March

Normal precipitation is 2.8 in; a dry March brings about 1.9 in and a wet one about 3.6 in (25th and 75th percentiles). About 2 days bring half an inch or more. Normal snowfall is 8.3 in, with about 3 days of an inch or more.

How March varies from year to year

  • Warmest March, 1991-20202012: average high 61°F
  • Coolest March2014: average high 39°F
  • Wettest March1998: 5.1 in
  • Driest March2013: 1.0 in
  • Highest reading85°F (March 22, 2012)
  • Lowest reading-8°F (March 3, 2003)

From the station's daily records with NOAA quality flags removed; most recent date shown when a reading repeats.

March compared with February and April

FebruaryMarchApril
Normal high35°F46°F60°F
Normal low18°F25°F36°F
Wet days141414
Comfortable days039
Daylight10.6 h11.9 h13.4 h

Highs change by +11°F from February and +14°F into April.

Nearby alternatives in March

How Ann Arbor ranks in March

  • Normal high308th warmest of 378 cities; 1st of 8 in Michigan
  • Wet days352nd driest of 378
  • Comfortable days260th most of 339

What to pack for Ann Arbor in March

  • A warm jacket – lows near 25°F, highs near 46°F
  • A rain jacket or umbrella – rain or snow on about 14 days
  • Waterproof boots – about 8.3 in of snow in a typical year
  • A hat and gloves – about 22 freezing nights

Heating and cooling

March has 909 heating degree days and 1 cooling degree days (base 65°F), 13% of the year's total heating and cooling demand.

Questions

How cold is Ann Arbor in March?

The normal high is 46°F and the normal low is 25°F. From 1991 to 2020 the coldest March reading was -8°F (March 3, 2003).

Does it rain a lot in Ann Arbor in March?

About 14 days in March have at least 0.01 in of precipitation, and the normal total is 2.8 in. The wettest March in 1991-2020 was in 1998 (5.1 in); the driest was in 2013 (1.0 in).

Does it snow in Ann Arbor in March?

Yes. Normal snowfall in March is 8.3 in, and snow covers the ground on about 7 days.

Is March a good time to visit Ann Arbor?

March ranks 8th of 12 months on our comfort score for Ann Arbor (44 out of 100). It has about 3 comfortable days. The best month is May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and frost dates: Ann Arbor U Of Mich (USC00200230), 3.7 mi ENE of the city center, 813 ft (68 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Detroit Willow Run Airport (USW00014853), 10 mi ESE of the city center, 777 ft (104 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Cloud cover: Toledo Express Airport (USW00094830), 47 mi S of the city center, 669 ft (212 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Willow Run Airport (725376-14853), 11 mi ESE of the city center, 708 ft (173 ft lower than the city). Hourly observations, 1991-2020.