December weather forecast
Shepherd Park, DC

englishespañol中文
Share

Weather in December

December completes the year in Shepherd Park, locked in the grip of winter with temperatures averaging from 33.3°F (0.7°C) to 45.3°F (7.4°C). The increased steam of snowfall, reaching 1.34" (34mm), blankets the cityscape in a beautiful white. Importantly, December harbors shorter days due to the winter solstice being this month, offering the least daylight hours of 9.5. This chilly period sees less rainfall but more snow, creating a seasonal, festive atmosphere. A somber yet serene sensation pervades December, celebrating the close of the year with its trademark winter weather.

Temperature

December reveals a small adjustment in temperature, transitioning from an average high of a fresh 53.6°F (12°C) in November to a frosty 45.3°F (7.4°C). An average low-temperature of 33.3°F (0.7°C) marks the month of December in Shepherd Park.

Humidity

The months with the highest humidity are May, October and December, with an average relative humidity of 75%.

Rainfall

In Shepherd Park, District of Columbia, in December, it is raining for 10.4 days, with typically 2.44" (62mm) of accumulated precipitation. In Shepherd Park, during the entire year, the rain falls for 154.8 days and collects up to 30.28" (769mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Shepherd Park, in December, during 2.5 snowfall days, 1.34" (34mm) of snow is typically accumulated. Throughout the year, there are 15 snowfall days, and 9.17" (233mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, 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

In December, the average sunshine is 5h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

Frequently asked questions

What are December temperatures in Shepherd Park?

Shepherd Park in December has an average high-temperature of 45.3°F (7.4°C) and an average low-temperature of 33.3°F (0.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 95°F (35°C).

What are the most humid months?

May, October and December, with an average relative humidity of 75%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 75%.

How much does it rain in Shepherd Park in December?

In December, the rain falls for 10.4 days. Throughout December, 2.44" (62mm) of precipitation is accumulated.

How many days does it snow in December?

In Shepherd Park, during December, snow falls for 2.5 days and regularly aggregates up to 1.34" (34mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 29min.

What time are sunrise and sunset in December?

On the first day of December, 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.

How many hours of sunshine does Shepherd Park have in December?

The average sunshine duration in December is 5h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to Sun's UV rays.
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
Shepherd Park, DC

Average temperature in December - Shepherd Park, DC
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December
Shepherd Park, DC

Average pressure in December - Shepherd Park, 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).

Average wind speed in December
Shepherd Park, DC

Average wind speed in December - Shepherd Park, DC
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Shepherd Park, DC

Average humidity in December - Shepherd Park, DC
  • Average humidity in December: 75%

The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
Shepherd Park, DC

Average rainfall in December - Shepherd Park, DC
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in December
Shepherd Park, DC

Average rainfall days in December - Shepherd Park, DC
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Shepherd Park, DC

Average snowfall in December - Shepherd Park, DC
  • Average snowfall in December: 1.34"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Shepherd Park, DC

Average snowfall days in December - Shepherd Park, DC
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (4.6 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Shepherd Park, DC

Average daylight in December / Average sunshine in December - Shepherd Park, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Shepherd Park, DC

Average sunshine days in December - Shepherd Park, DC
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).

Average UV index in December
Shepherd Park, DC

Average UV index in December - Shepherd Park, DC
  • Average UV index in December: 2

The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).

Average cloud cover in December
Shepherd Park, DC

Average cloud cover in December - Shepherd Park, DC
  • Average cloud cover in December: 46

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Shepherd Park, DC

Average visibility in December - Shepherd Park, 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).

Shepherd Park, District of Columbia, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location