Climateby Month

Baltimore, MD weather in January

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

Baltimore is chilly in January, with frequent rain and some snow: highs average 43°F and nights drop to about 25°F. Rain or snow falls on about 10 days. Snowfall averages about 6.4 in. This is the depth of winter in Baltimore.

Normal high
43°F
Normal low
25°F
Wet days
10
3.1 in total
Snowfall
6.4 in
snow on the ground 4 days

How January changes from start to finish

Normal values at the start and end of January
January 1January 31
Normal high44°F44°F
Normal low27°F25°F
Chance of a wet day33%32%
Sunrise / sunset7:26 am / 4:53 pm7:14 am / 5:25 pm
Daylight9.5 h10.2 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 am30°Fdew point 23°F
  2. 9 am33°Fdew point 24°F
  3. Noon39°Fdew point 24°F
  4. 3 pm41°Fdew point 24°F
  5. 6 pm37°Fdew point 24°F
  6. 9 pm34°Fdew point 23°F

NOAA hourly normals (local standard time) from Baltimore Wash Intl Airport (9 mi away); average wind 8 mph; clear or few clouds in 45% of daytime hours, mostly cloudy or overcast in 46%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F1 of 31
  • Beach dayshigh 80-95°F, under 0.05 in of rain, afternoon wind under 15 mph0 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 snow10 of 31
  • Notable rainat least 0.10 in6 of 31
  • Freezing nightslow 32°F or below24 of 31
  • Snow on the groundsnow depth 1 in or more4 of 31

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

Rain and snow in January

Normal precipitation is 3.1 in; a dry January brings about 2.6 in and a wet one about 3.6 in (25th and 75th percentiles). About 2 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 6.4 in, with about 2 days of an inch or more.

How January varies from year to year

  • Warmest January, 1991-20202006: average high 51°F
  • Coolest January1994: average high 35°F
  • Wettest January1996: 6.8 in
  • Driest January2018: 1.0 in
  • Highest reading72°F (January 11, 2020)
  • Lowest reading-5°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 high48°F43°F46°F
Normal low30°F25°F27°F
Wet days10109
Comfortable days112
Daylight9.4 h9.8 h10.7 h

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

Nearby alternatives in January

How Baltimore ranks in January

  • Normal high233rd warmest of 378 cities; 2nd of 3 in Maryland
  • Wet days217th driest of 378
  • Comfortable days198th most of 339

What to pack for Baltimore in January

  • A warm jacket – lows near 25°F, highs near 43°F
  • A rain jacket or umbrella – rain or snow on about 10 days
  • Waterproof boots – about 6.4 in of snow in a typical year
  • A hat and gloves – about 24 freezing nights

Heating and cooling

January has 951 heating degree days and 0 cooling degree days (base 65°F), 16% of the year's total heating and cooling demand.

Questions

How cold is Baltimore in January?

The normal high is 43°F and the normal low is 25°F. From 1991 to 2020 the coldest January reading was -5°F (January 19, 1994).

Does it rain a lot in Baltimore in January?

About 10 days in January have at least 0.01 in of precipitation, and the normal total is 3.1 in. The wettest January in 1991-2020 was in 1996 (6.8 in); the driest was in 2018 (1.0 in).

Does it snow in Baltimore in January?

Yes. Normal snowfall in January is 6.4 in, and snow covers the ground on about 4 days.

Is January a good time to visit Baltimore?

January ranks 12th of 12 months on our comfort score for Baltimore (35 out of 100). It has about 1 comfortable day. The best months are April and May.

Where the numbers come from

  • Temperature, rain, snowfall, snow depth and humidity and wind by hour: Baltimore Wash Intl Airport (USW00093721), 9.4 mi SSW of the city center, 156 ft (120 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Frost dates: Md Sci Ctr Baltimore (USW00093784), 0.7 mi SSE of the city center, 20 ft . NOAA normals and daily records, 1991-2020.
  • Cloud cover: Camp Springs Andrews AFB (USW00013705), 36 mi SSW of the city center, 282 ft (246 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Baltimore-Washington Intl Airport (724060-93721), 9.0 mi SSW of the city center, 138 ft (102 ft higher than the city). Hourly observations, 1991-2020.