December weather forecast
Kings Heights, MD

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Weather in December

December, the first month of the winter in Kings Heights, is also a frosty month, with temperature in the range of an average high of 45.5°F (7.5°C) and an average low of 34.5°F (1.4°C).

Temperature

In December, the meteorological conditions change slightly, with the average high-temperature moving from a fresh 54°F (12.2°C) in November to a frosty 45.5°F (7.5°C). During the nights in December, the temperature averages to an icy 34.5°F (1.4°C).

Humidity

In Kings Heights, the average relative humidity in December is 76%.

Rainfall

In Kings Heights, in December, it is raining for 9.8 days, with typically 2.68" (68mm) of accumulated precipitation. In Kings Heights, during the entire year, the rain falls for 156.7 days and collects up to 31.81" (808mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Kings Heights, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow. In Kings Heights, during the entire year, snow falls for 13.6 days and aggregates up to 6.73" (171mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:54 pm EST.

Sunshine

In Kings Heights, the average sunshine in December is 5.1h.

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 hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in December?

The high-temperature, in December, in Kings Heights, is 45.5°F (7.5°C), while the low-temperature averages to 34.5°F (1.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is calculated to be 93.2°F (34°C).

What is the average humidity in December?

The average relative humidity in December is 76%.

How much does it rain in December?

In December, the rain falls for 9.8 days. Throughout December, 2.68" (68mm) of precipitation is accumulated.

How many days does it snow in December?

In Kings Heights, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Kings Heights have in December?

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

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:54 pm EST.

How many hours of sunshine does Kings Heights have in December?

In Kings Heights, the average sunshine duration in December is 5.1h.

When is the lowest UV index?

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

What is the UV index reading in December?

In Kings Heights, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to 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
Kings Heights, MD

Average temperature in December - Kings Heights, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (39.7°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (28°F).

Average pressure in December
Kings Heights, MD

Average pressure in December - Kings Heights, MD
  • 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 (29.94"Hg).

Average wind speed in December
Kings Heights, MD

Average wind speed in December - Kings Heights, MD
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.6mph).

Average humidity in December
Kings Heights, MD

Average humidity in December - Kings Heights, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (77%).
The month with the lowest relative humidity is April (71%).

Average rainfall in December
Kings Heights, MD

Average rainfall in December - Kings Heights, MD
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is August (3.62").
The driest month (with the least rainfall) is January (2.05").

Average rainfall days in December
Kings Heights, MD

Average rainfall days in December - Kings Heights, MD
  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is January (8.9 days).

Average snowfall in December
Kings Heights, MD

Average snowfall in December - Kings Heights, MD
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (2.36").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Kings Heights, MD

Average snowfall days in December - Kings Heights, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.3 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
Kings Heights, MD

Average daylight in December / Average sunshine in December - Kings Heights, MD
  • 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
Kings Heights, MD

Average sunshine days in December - Kings Heights, MD
  • Average sunshine days in December: 18.2 days

The month with the most sunshine days is November (19 days).
The month with the least sunshine days is May (11.5 days).

Average UV index in December
Kings Heights, MD

Average UV index in December - Kings Heights, MD
  • 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 and December (UV index 2).

Average cloud cover in December
Kings Heights, MD

Average cloud cover in December - Kings Heights, MD
  • 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 29).

Average visibility in December
Kings Heights, MD

Average visibility in December - Kings Heights, MD
  • Average visibility in December: 6mi

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

Kings Heights, Maryland, USA

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