December weather forecast
Westcliffe Manor, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Westcliffe Manor, Maryland, with an average temperature fluctuating between 31.3°F (-0.4°C) and 43.2°F (6.2°C).

Temperature

The start of December involves a subtle temperature drop, shifting from a cool 52.2°F (11.2°C) in November to a chilly 43.2°F (6.2°C). Westcliffe Manor's temperature drops to an average low of 31.3°F (-0.4°C) during the nights of December.

Humidity

In December, the average relative humidity is 78%.

Rainfall

In Westcliffe Manor, in December, during 9.1 rainfall days, 1.02" (26mm) of precipitation is typically accumulated. In Westcliffe Manor, during the entire year, the rain falls for 130.3 days and collects up to 15.47" (393mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Westcliffe Manor, in December, during 2.5 snowfall days, 0.47" (12mm) of snow is typically accumulated. In Westcliffe Manor, during the entire year, snow falls for 16 days and aggregates up to 4.13" (105mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:54 pm EST.

Sunshine

In December, the average sunshine in Westcliffe Manor is 5h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Aug 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is December cold?

In Westcliffe Manor, in December, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 31.3°F (-0.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is calculated to be 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity in Westcliffe Manor is 78%.

How much does it rain in December?

In Westcliffe Manor, during December, the rain falls for 9.1 days and regularly aggregates up to 1.02" (26mm) of precipitation.

How much does it snow in December?

In Westcliffe Manor, during December, snow falls for 2.5 days and regularly aggregates up to 0.47" (12mm) 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.

How many hours of daylight does Westcliffe Manor have in December?

In December, the average day length is 9h and 27min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:54 pm EST.

How many hours of sunshine does Westcliffe Manor have in December?

In Westcliffe Manor, the average sunshine duration in December is 5h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index in Westcliffe Manor is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from 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
Westcliffe Manor, MD

Average temperature in December - Westcliffe Manor, MD
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is July (84.4°F).
The month with the lowest average high temperature is January (37.6°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (25°F).

Average pressure in December
Westcliffe Manor, MD

Average pressure in December - Westcliffe Manor, 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
Westcliffe Manor, MD

Average wind speed in December - Westcliffe Manor, MD
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is March (8.7mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Westcliffe Manor, MD

Average humidity in December - Westcliffe Manor, MD
  • Average humidity in December: 78%

The month with the highest relative humidity is May (80%).
The months with the lowest relative humidity are January, April, July and November (75%).

Average rainfall in December
Westcliffe Manor, MD

Average rainfall in December - Westcliffe Manor, MD
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is August (2.48").
The driest month (with the least rainfall) is February (0.79").

Average rainfall days in December
Westcliffe Manor, MD

Average rainfall days in December - Westcliffe Manor, MD
  • Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is August (15.1 days).
The months with the least rainy days are January and February (6.8 days).

Average snowfall in December
Westcliffe Manor, MD

Average snowfall in December - Westcliffe Manor, MD
  • Average snowfall in December: 0.47"

The month with the highest snowfall is January (1.34").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Westcliffe Manor, MD

Average snowfall days in December - Westcliffe Manor, MD
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (4.9 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
Westcliffe Manor, MD

Average daylight in December / Average sunshine in December - Westcliffe Manor, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Westcliffe Manor, MD

Average sunshine days in December - Westcliffe Manor, MD
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is May (12.9 days).

Average UV index in December
Westcliffe Manor, MD

Average UV index in December - Westcliffe Manor, 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, February, November and December (UV index 2).

Average cloud cover in December
Westcliffe Manor, MD

Average cloud cover in December - Westcliffe Manor, MD
  • Average cloud cover in December: 46

The months with the most cloud cover are February and March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Westcliffe Manor, MD

Average visibility in December - Westcliffe Manor, MD
  • 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).

Westcliffe Manor, Maryland, USA

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