December weather forecast
Colonial Village, DC

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Weather in December

December brings the year full circle, ringing in winter in Colonial Village. It marks the return of snowfall, with a light dusting of 0.79" (20mm) across the city. The holiday season in December boasts a beautiful union of cooler temperature, joyous festivities, and a slight probability of a White Christmas. Indeed, winter has its charm, and December characteristically closes the weather cycle with shorter, colder days paired with magical, long nights. This makes it a wonderful month for those who love winter's chill and festive atmosphere.

Temperature

A minor decrease in the average high-temperature is observed in Colonial Village during December, shifting from a cool 54.9°F (12.7°C) in November to a chilly 46°F (7.8°C). Colonial Village records a consistent low-temperature of 34.2°F (1.2°C) during December nights.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In Colonial Village, in December, it is raining for 10 days, with typically 1.93" (49mm) of accumulated precipitation. Throughout the year, in Colonial Village, there are 149.1 rainfall days, and 26.14" (664mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Colonial Village are January through March and December. December is the first month it typically snows in Colonial Village. Throughout December, in the average 1.7 snowfall days, it receives 0.79" (20mm) of snow. In Colonial Village, during the entire year, snow falls for 11.7 days and aggregates up to 6.3" (160mm) of snow.

Daylight

The month with the shortest days in Colonial Village, District of Columbia, is December, with an average of 9h and 30min of daylight.
On the first day of December in Colonial Village, District of Columbia, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:56 pm EST.

Sunshine

The months with the least sunshine in Colonial Village are January, February and December, with an average of 5.1h of sunshine.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.
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Frequently asked questions

What are December temperatures in Colonial Village?

The high-temperature, in December, in Colonial Village, is 46°F (7.8°C), while the low-temperature averages to 34.2°F (1.2°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 95°F (35°C).

What is the average humidity in December in Colonial Village?

In Colonial Village, the average relative humidity in December is 75%.

How many days does it rain in December in Colonial Village?

In Colonial Village, in December, it is raining for 10 days, with typically 1.93" (49mm) of accumulated precipitation.

When does it start to snow in Colonial Village?

December is the first month it typically snows in Colonial Village, District of Columbia. Throughout December, in the average 1.7 snowfall days, it receives 0.79" (20mm) of snow.

What is the month with the shortest days in Colonial Village?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Colonial Village.

How many hours of daylight does Colonial Village have in December?

In Colonial Village, District of Columbia, the average day length in December is 9h and 29min.

When is the sunrise / sunset in December in Colonial Village?

In December, on the first day of the month, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:56 pm EST.

What is the month with the least sunshine in Colonial Village?

The months with the least sunshine in Colonial Village are January, February and December, with an average of 5.1h of sunshine.

How long on average sun shines in December in Colonial Village?

The average sunshine duration in December in Colonial Village is 5.1h.

When is the lowest UV index in Colonial Village?

The months with the lowest UV index in Colonial Village are January and December, with an average maximum UV index of 2.

What is the UV index reading in December in Colonial Village?

In Colonial Village, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Colonial Village, DC

Average temperature in December - Colonial Village, DC
  • Average high temperature in December: 46°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (40.6°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (27.5°F).

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Average pressure in December
Colonial Village, DC

Average pressure in December - Colonial Village, DC
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Colonial Village, DC

Average wind speed in December - Colonial Village, DC
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is March (7.9mph).
The calmest month (with the lowest average wind speed) is August (5mph).

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Average humidity in December
Colonial Village, DC

Average humidity in December - Colonial Village, DC
  • Average humidity in December: 75%

The month with the highest relative humidity is May (76%).
The months with the lowest relative humidity are April and July (71%).

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Average rainfall in December
Colonial Village, DC

Average rainfall in December - Colonial Village, DC
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is August (3.46").
The driest month (with the least rainfall) is January (1.57").

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Average rainfall days in December
Colonial Village, DC

Average rainfall days in December - Colonial Village, DC
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is July (16.4 days).
The month with the least rainy days is November (8.1 days).

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Average snowfall in December
Colonial Village, DC

Average snowfall in December - Colonial Village, DC
  • Average snowfall in December: 0.79"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Colonial Village, DC

Average snowfall days in December - Colonial Village, DC
  • Average snowfall days in December: 1.7 days

The months with the highest number of snowfall days are January and February (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Colonial Village, DC

Average daylight in December / Average sunshine in December - Colonial Village, DC
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Colonial Village, DC

Average sunshine days in December - Colonial Village, DC
  • Average sunshine days in December: 19 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (12.8 days).

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Average UV index in December
Colonial Village, DC

Average UV index in December - Colonial Village, DC
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

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Average cloud cover in December
Colonial Village, DC

Average cloud cover in December - Colonial Village, DC
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Colonial Village, DC

Average visibility in December - Colonial Village, DC
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).

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Colonial Village, District of Columbia, USA

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