Climateby Month

Lowell, MA weather in December

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

December in Lowell: cold and snowy. Highs 40°F, lows 22°F, about 11 wet days and about 12.8 in of snow. Expect snow on the ground at times.

Normal high
40°F
Normal low
22°F
Wet days
11
4.5 in total
Snowfall
12.8 in
snow on the ground 11 days

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high45°F36°F
Normal low26°F18°F
Chance of a wet day36%35%
Sunrise / sunset6:55 am / 4:12 pm7:15 am / 4:21 pm
Daylight9.3 h9.1 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 December day

  1. 6 am28°Fdew point 21°F
  2. 9 am30°Fdew point 21°F
  3. Noon35°Fdew point 22°F
  4. 3 pm37°Fdew point 22°F
  5. 6 pm33°Fdew point 22°F
  6. 9 pm31°Fdew point 22°F

NOAA hourly normals (local standard time) from Manchester Airport (22 mi away); average wind 7 mph; clear or few clouds in 28% of daytime hours, mostly cloudy or overcast in 58%.

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 snow11 of 31
  • Notable rainat least 0.10 in8 of 31
  • Freezing nightslow 32°F or below27 of 31
  • Snow on the groundsnow depth 1 in or more11 of 31

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

Rain and snow in December

Normal precipitation is 4.5 in; a dry December brings about 3.2 in and a wet one about 5.3 in (25th and 75th percentiles). About 4 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 12.8 in, with about 3 days of an inch or more.

How December varies from year to year

  • Warmest December, 1991-20202015: average high 47°F
  • Coolest December1995: average high 33°F
  • Wettest December2008: 8.5 in
  • Driest December1998: 1.4 in
  • Highest reading76°F (December 8, 1998)
  • Lowest reading-8°F (December 18, 2013)

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

December compared with November and January

NovemberDecemberJanuary
Normal high51°F40°F34°F
Normal low30°F22°F16°F
Wet days111111
Comfortable days300
Daylight9.8 h9.1 h9.5 h

Highs change by -11°F from November and -6°F into January.

Nearby alternatives in December

How Lowell ranks in December

  • Normal high287th warmest of 378 cities; 8th of 9 in Massachusetts
  • Wet days256th driest of 378
  • Comfortable days241st most of 340

What to pack for Lowell in December

  • A warm jacket – lows near 22°F, highs near 40°F
  • A rain jacket or umbrella – rain or snow on about 11 days
  • Waterproof boots – snow on the ground on about 11 days
  • A hat and gloves – about 27 freezing nights

Heating and cooling

December has 1056 heating degree days and 0 cooling degree days (base 65°F), 15% of the year's total heating and cooling demand.

Questions

How cold is Lowell in December?

The normal high is 40°F and the normal low is 22°F. From 1991 to 2020 the coldest December reading was -8°F (December 18, 2013).

Does it rain a lot in Lowell in December?

About 11 days in December have at least 0.01 in of precipitation, and the normal total is 4.5 in. The wettest December in 1991-2020 was in 2008 (8.5 in); the driest was in 1998 (1.4 in).

Does it snow in Lowell in December?

Yes. Normal snowfall in December is 12.8 in, and snow covers the ground on about 11 days.

Is December a good time to visit Lowell?

December ranks 11th of 12 months on our comfort score for Lowell (28 out of 100). It has almost no comfortable days. The best month is May.

Where the numbers come from

  • Temperature, rain and frost dates: Lowell (USC00194313), 2.5 mi WNW of the city center, 110 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: Reading (USC00196783), 12 mi SE of the city center, 110 ft . NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour: Manchester Airport (USW00014710), 22 mi NNW of the city center, 225 ft (108 ft higher than the city). NOAA normals and daily records, 1991-2020.
  • Cloud cover: Boston Logan Intl Airport (USW00014739), 24 mi SE of the city center, 12 ft (105 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Gen E L Logan International Airport (725090-14739), 24 mi SE of the city center, 11 ft (106 ft lower than the city). Hourly observations, 1991-2020.