Climateby Month

Williamsburg, VA weather in December

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

Williamsburg is chilly in December, with frequent rain: highs average 53°F and nights drop to about 34°F. Rain or snow falls on about 11 days. Snowfall averages about 1.6 in.

Normal high
53°F
Normal low
34°F
Wet days
11
3.8 in total
Snowfall
1.6 in
snow on the ground 1 day

How December changes from start to finish

Normal values at the start and end of December
December 1December 31
Normal high56°F50°F
Normal low37°F32°F
Chance of a wet day33%35%
Sunrise / sunset7:02 am / 4:49 pm7:20 am / 4:58 pm
Daylight9.8 h9.6 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 am40°Fdew point 33°F
  2. 9 am44°Fdew point 35°F
  3. Noon50°Fdew point 35°F
  4. 3 pm51°Fdew point 35°F
  5. 6 pm46°Fdew point 35°F
  6. 9 pm43°Fdew point 34°F

NOAA hourly normals (local standard time) from Newport News Intl Airport (15 mi away); average wind 8 mph; clear or few clouds in 61% of daytime hours, mostly cloudy or overcast in 35%.

What kind of days to expect

  • Comfortable dayshigh 65-80°F and dew point under 60°F4 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 in7 of 31
  • Freezing nightslow 32°F or below16 of 31
  • Snow on the groundsnow depth 1 in or more1 of 31

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

Rain and snow in December

Normal precipitation is 3.8 in; a dry December brings about 2.6 in and a wet one about 4.3 in (25th and 75th percentiles). About 3 days bring half an inch or more, and about 1 an inch or more. Normal snowfall is 1.6 in, with about 1 day of an inch or more.

How December varies from year to year

  • Warmest December, 1991-20202015: average high 64°F
  • Coolest December2010: average high 42°F
  • Wettest December2009: 7.0 in
  • Driest December1994: 1.3 in
  • Highest reading82°F (December 6, 1998)
  • Lowest reading8°F (December 31, 1993)

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 high61°F53°F49°F
Normal low41°F34°F31°F
Wet days91111
Comfortable days944
Daylight10.2 h9.6 h9.9 h

Highs change by -8°F from November and -4°F into January.

Nearby alternatives in December

How Williamsburg ranks in December

  • Normal high179th warmest of 378 cities; 4th of 5 in Virginia
  • Wet days254th driest of 378
  • Comfortable days144th most of 340

What to pack for Williamsburg in December

  • A warm jacket – lows near 34°F, highs near 53°F
  • A rain jacket or umbrella – rain or snow on about 11 days
  • A hat and gloves – about 16 freezing nights

Heating and cooling

December has 672 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 Williamsburg in December?

The normal high is 53°F and the normal low is 34°F. From 1991 to 2020 the coldest December reading was 8°F (December 31, 1993).

Does it rain a lot in Williamsburg in December?

About 11 days in December have at least 0.01 in of precipitation, and the normal total is 3.8 in. The wettest December in 1991-2020 was in 2009 (7.0 in); the driest was in 1994 (1.3 in).

Does it snow in Williamsburg in December?

Yes. Normal snowfall in December is 1.6 in, and snow covers the ground on about 1 day.

Is December a good time to visit Williamsburg?

December ranks 10th of 12 months on our comfort score for Williamsburg (44 out of 100). It has about 4 comfortable days. The best months are April and May.

Where the numbers come from

  • Temperature, rain and frost dates: Williamsburg 2 N (USC00449151), 2.1 mi N of the city center, 70 ft . NOAA normals and daily records, 1991-2020.
  • Snowfall and snow depth: W Pt 2 Nw (USC00449025), 21 mi NNW of the city center, 20 ft (65 ft lower than the city). NOAA normals and daily records, 1991-2020.
  • Humidity and wind by hour and cloud cover: Newport News Intl Airport (USW00093741), 15 mi SE of the city center, 42 ft . NOAA normals and daily records, 1991-2020.
  • Daily humidity and wind: Nwpt News/Wimburg Intl Apt (723086-93741), 15 mi SE of the city center, 36 ft . Hourly observations, 1991-2020.