Climateby Month

Dearborn, MI weather in January

NOAA 1991-2020 normals and daily records · Dearborn all year

January in Dearborn: cold and snowy. Highs 32°F, lows 18°F, rain or snow on about 13 days and about 14.0 in of snow. This is the depth of winter in Dearborn. Pack for serious cold.

Normal high
32°F
Normal low
18°F
Wet days
13
2.2 in total
Snowfall
14.0 in
snow on the ground 17 days

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high33°F32°F
Normal low20°F17°F
Chance of a wet day45%40%
Sunrise / sunset8:01 am / 5:10 pm7:47 am / 5:45 pm
Daylight9.2 h10.0 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 January day

  1. 6 am25°Fdew point 20°F
  2. 9 am25°Fdew point 19°F
  3. Noon29°Fdew point 20°F
  4. 3 pm31°Fdew point 20°F
  5. 6 pm29°Fdew point 21°F
  6. 9 pm28°Fdew point 20°F

NOAA hourly normals (local standard time) from Detroit City Airport (10 mi away); average wind 10 mph; clear or few clouds in 29% of daytime hours, mostly cloudy or overcast in 64%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F0 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 snow13 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below29 of 31
  • Snow on the groundsnow depth 1 in or more17 of 31

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

Rain and snow in January

Normal precipitation is 2.2 in; a dry January brings about 1.4 in and a wet one about 3.0 in (25th and 75th percentiles). About 1 day brings half an inch or more. Normal snowfall is 14.0 in, with about 4 days of an inch or more.

How January varies from year to year

  • Warmest January, 1991-20202006: average high 43°F
  • Coolest January2014: average high 24°F
  • Wettest January2020: 4.1 in
  • Driest January2003: 0.4 in
  • Highest reading65°F (January 8, 2008)
  • Lowest reading-20°F (January 19, 1994)

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

January compared with December and February

DecemberJanuaryFebruary
Normal high37°F32°F35°F
Normal low24°F18°F19°F
Wet days131311
Comfortable days000
Daylight9.1 h9.5 h10.6 h

Highs change by -5°F from December and +3°F into February.

Nearby alternatives in January

How Dearborn ranks in January

  • Normal high325th warmest of 378 cities; 3rd of 8 in Michigan
  • Wet days332nd driest of 378
  • Comfortable days294th most of 339

What to pack for Dearborn in January

  • A warm jacket – lows near 18°F, highs near 32°F
  • A rain jacket or umbrella – rain or snow on about 13 days
  • Waterproof boots – snow on the ground on about 17 days
  • A hat and gloves – about 29 freezing nights

Heating and cooling

January has 1244 heating degree days and 0 cooling degree days (base 65°F), 18% of the year's total heating and cooling demand.

Questions

How cold is Dearborn in January?

The normal high is 32°F and the normal low is 18°F. From 1991 to 2020 the coldest January reading was -20°F (January 19, 1994).

Does it rain a lot in Dearborn in January?

About 13 days in January have at least 0.01 in of precipitation, and the normal total is 2.2 in. The wettest January in 1991-2020 was in 2020 (4.1 in); the driest was in 2003 (0.4 in).

Does it snow in Dearborn in January?

Yes. Normal snowfall in January is 14.0 in, and snow covers the ground on about 17 days.

Is January a good time to visit Dearborn?

January ranks 12th of 12 months on our comfort score for Dearborn (26 out of 100). It has almost no comfortable days. The best month is May.

Where the numbers come from

  • Temperature and frost dates: Dearborn (USC00202015), 3.1 mi W of the city center, 605 ft . NOAA normals and daily records, 1991-2020.
  • Rain, snowfall and snow depth: Detroit Metro Airport (USW00094847), 10 mi SW of the city center, 631 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Detroit City Airport (USW00014822), 10 mi NE of the city center, 626 ft . NOAA normals and daily records, 1991-2020.
  • Cloud cover: Flint Bishop Intl Airport (USW00014826), 53 mi NNW of the city center, 770 ft (179 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Detroit Metro Wayne County Airport (725370-94847), 10 mi SW of the city center, 630 ft . Hourly observations, 1991-2020.