December weather forecast
Patuxent Hills, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Patuxent Hills, Maryland, with an average temperature fluctuating between 44.2°F (6.8°C) and 32.9°F (0.5°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's fresh 53.1°F (11.7°C) to a chilly 44.2°F (6.8°C). During the month of December, Patuxent Hills anticipates a mean low-temperature of 32.9°F (0.5°C).

Humidity

In Patuxent Hills, the average relative humidity in December is 76%.

Rainfall

In December, the rain falls for 10.2 days. Throughout December, 2.24" (57mm) of precipitation is accumulated. Throughout the year, there are 159.3 rainfall days, and 30.31" (770mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Patuxent Hills, in December, during 2.9 snowfall days, 1.14" (29mm) of snow is typically accumulated. Throughout the year, there are 15.9 snowfall days, and 8.7" (221mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:08 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.

Sunshine

In December, the average sunshine is 5.2h.

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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

In Patuxent Hills, in December, the average high-temperature is 44.2°F (6.8°C), and the average low-temperature is 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 91.4°F (33°C).

What is the average humidity in December?

In Patuxent Hills, the average relative humidity in December is 76%.

How much does it rain in December?

In Patuxent Hills, in December, during 10.2 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

How much does it snow in December?

In Patuxent Hills, during December, snow falls for 2.9 days and regularly aggregates up to 1.14" (29mm) 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.

What is the average length of the day in December?

The average day length in December is 9h and 28min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:08 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 Patuxent Hills have in December?

The average sunshine duration in December is 5.2h.

What is the month with the lowest UV index?

The months with the lowest UV index are January, February, 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 value of 2, and less, symbolizes a low health threat 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
Patuxent Hills, MD

Average temperature in December - Patuxent Hills, MD
  • Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is July (85.8°F).
The month with the lowest average high temperature is January (38.1°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).

Average pressure in December
Patuxent Hills, MD

Average pressure in December - Patuxent Hills, 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
Patuxent Hills, MD

Average wind speed in December - Patuxent Hills, MD
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is March (8.6mph).
The calmest month (with the lowest average wind speed) is August (5.3mph).

Average humidity in December
Patuxent Hills, MD

Average humidity in December - Patuxent Hills, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May and October (77%).
The months with the lowest relative humidity are April and July (72%).

Average rainfall in December
Patuxent Hills, MD

Average rainfall in December - Patuxent Hills, MD
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in December
Patuxent Hills, MD

Average rainfall days in December - Patuxent Hills, MD
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (8.4 days).

Average snowfall in December
Patuxent Hills, MD

Average snowfall in December - Patuxent Hills, MD
  • Average snowfall in December: 1.14"

The month with the highest snowfall is March (3.03").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Patuxent Hills, MD

Average snowfall days in December - Patuxent Hills, MD
  • Average snowfall days in December: 2.9 days

The month with the highest number of snowfall days is February (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
Patuxent Hills, MD

Average daylight in December / Average sunshine in December - Patuxent Hills, 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 48min).
The months with the least sunshine are January and February (Average sunshine: 5h and 6min).

Average sunshine days in December
Patuxent Hills, MD

Average sunshine days in December - Patuxent Hills, MD
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11 days).

Average UV index in December
Patuxent Hills, MD

Average UV index in December - Patuxent Hills, 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
Patuxent Hills, MD

Average cloud cover in December - Patuxent Hills, 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
Patuxent Hills, MD

Average visibility in December - Patuxent Hills, 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).

Patuxent Hills, Maryland, USA

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