December weather forecast
Clydesdale Acres, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Clydesdale Acres, Maryland, with temperature in the range of an average high of 43.3°F (6.3°C) and an average low of 31.3°F (-0.4°C).

Temperature

December brings a minor shift in the average high-temperature, adjusting from a cool 51.8°F (11°C) in November to a frosty 43.3°F (6.3°C). During December, the temperature tends to dip to an average of 31.3°F (-0.4°C) at night.

Humidity

In Clydesdale Acres, the average relative humidity in December is 78%.

Rainfall

In Clydesdale Acres, during December, the rain falls for 10.3 days and regularly aggregates up to 2.44" (62mm) of precipitation. Throughout the year, there are 158.9 rainfall days, and 31.38" (797mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, October through December. In Clydesdale Acres, in December, during 3.9 snowfall days, 1.69" (43mm) of snow is typically accumulated. Throughout the year, there are 21.2 snowfall days, and 10.55" (268mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 9h and 24min of daylight.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:44 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:53 pm EST.

Sunshine

In December, the average sunshine is 5h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health 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:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

December temperatures vary between a high-temperature of 43.3°F (6.3°C) and a low-temperature of 31.3°F (-0.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines air temperature and relative humidity, in August is calculated to be 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

How many days does it rain in December?

In Clydesdale Acres, in December, it is raining for 10.3 days, with typically 2.44" (62mm) of accumulated precipitation.

How much does it snow in Clydesdale Acres in December?

In Clydesdale Acres, in December, during 3.9 snowfall days, 1.69" (43mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 24min of daylight.

What is the average length of the day in December?

In December, the average day length is 9h and 26min.

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 4:44 pm. On the last day of the month, in Clydesdale Acres, sunrise is at 7:27 am and sunset at 4:53 pm EST.

How long on average sun shines in December?

In Clydesdale Acres, the average sunshine duration in December is 5h.

What is the month 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 is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health 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
Clydesdale Acres, MD

Average temperature in December - Clydesdale Acres, MD
  • Average high temperature in December: 43.3°F

The warmest month (with the highest average high temperature) is July (84.2°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 31.3°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (24.8°F).

Average pressure in December
Clydesdale Acres, MD

Average pressure in December - Clydesdale Acres, 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
Clydesdale Acres, MD

Average wind speed in December - Clydesdale Acres, MD
  • Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is March (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
Clydesdale Acres, MD

Average humidity in December - Clydesdale Acres, 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, March, April, July and November (75%).

Average rainfall in December
Clydesdale Acres, MD

Average rainfall in December - Clydesdale Acres, MD
  • 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 February (1.89").

Average rainfall days in December
Clydesdale Acres, MD

Average rainfall days in December - Clydesdale Acres, MD
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Clydesdale Acres, MD

Average snowfall in December - Clydesdale Acres, MD
  • Average snowfall in December: 1.69"

The month with the highest snowfall is March (3.46").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Clydesdale Acres, MD

Average snowfall days in December - Clydesdale Acres, MD
  • Average snowfall days in December: 3.9 days

The month with the highest number of snowfall days is January (6.6 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Clydesdale Acres, MD

Average daylight in December / Average sunshine in December - Clydesdale Acres, MD
  • Average daylight in December: 9h and 2min

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 24min).

  • 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 42min).

Average sunshine days in December
Clydesdale Acres, MD

Average sunshine days in December - Clydesdale Acres, MD
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (18.9 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in December
Clydesdale Acres, MD

Average UV index in December - Clydesdale Acres, 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
Clydesdale Acres, MD

Average cloud cover in December - Clydesdale Acres, MD
  • Average cloud cover in December: 47

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Clydesdale Acres, MD

Average visibility in December - Clydesdale Acres, MD
  • Average visibility in December: 6mi

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

Clydesdale Acres, Maryland, USA

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