December weather forecast
Aspen Hill Park, MD

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Weather in December

December, the first month of the winter in Aspen Hill Park, is also a frosty month, with an average temperature fluctuating between 45.3°F (7.4°C) and 32.9°F (0.5°C).

Temperature

December's onset brings a negligible change in high-temperatures, falling from a fresh 53.4°F (11.9°C) in November to a frosty 45.3°F (7.4°C). In the month of December, Aspen Hill Park experiences an average low-temperature of 32.9°F (0.5°C).

Humidity

May, October and December, with an average relative humidity of 76%, are the most humid months.

Rainfall

In December, the rain falls for 10.2 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. Throughout the year, there are 161.3 rainfall days, and 33.19" (843mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Aspen Hill Park. In December, it is snowing for 2.9 days. Throughout December, 1.38" (35mm) of snow is accumulated. In Aspen Hill Park, during the entire year, snow falls for 17.1 days and aggregates up to 10.2" (259mm) 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 4:46 pm. On the last day of December, sunrise is at 7:27 am and sunset at 4:56 pm EST.

Sunshine

With an average of 4.9h of sunshine, December has the least sunshine of the year.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

In December, in Aspen Hill Park, the average high-temperature is 45.3°F (7.4°C), and the average low-temperature is 32.9°F (0.5°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 93.2°F (34°C).

What are the most humid months?

The months with the highest humidity are May, October and December, with an average relative humidity of 76%.

What is the average humidity in December?

In December, the average relative humidity is 76%.

How many days does it rain in December?

In Aspen Hill Park, during December, the rain falls for 10.2 days and regularly aggregates up to 2.76" (70mm) of precipitation.

How much does it snow in Aspen Hill Park in December?

In December, it is snowing for 2.9 days. Throughout December, 1.38" (35mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Aspen Hill Park have in December?

In Aspen Hill Park, the average day length in December is 9h and 29min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 4:56 pm EST.

What is the month with the least sunshine in Aspen Hill Park?

The month with the least sunshine is December, with an average of 4.9h of sunshine.

How many hours of sunshine does Aspen Hill Park have in December?

In Aspen Hill Park, the average sunshine duration in December is 4.9h.

What is the month with the lowest UV index?

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

How high is the UV index in December?

In Aspen Hill Park, the average daily maximum UV index in December 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
Aspen Hill Park, MD

Average temperature in December - Aspen Hill Park, MD
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).

Average pressure in December
Aspen Hill Park, MD

Average pressure in December - Aspen Hill Park, 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 (29.95"Hg).

Average wind speed in December
Aspen Hill Park, MD

Average wind speed in December - Aspen Hill Park, MD
  • 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 (5.1mph).

Average humidity in December
Aspen Hill Park, MD

Average humidity in December - Aspen Hill Park, MD
  • Average humidity in December: 76%

The months with the highest relative humidity are May, October and December (76%).
The month with the lowest relative humidity is July (70%).

Average rainfall in December
Aspen Hill Park, MD

Average rainfall in December - Aspen Hill Park, MD
  • Average rainfall in December: 2.76"

The wettest month (with the highest rainfall) is August (4.13").
The driest month (with the least rainfall) is January (2.17").

Average rainfall days in December
Aspen Hill Park, MD

Average rainfall days in December - Aspen Hill Park, MD
  • Average rainfall days in December: 10.2 days

The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Aspen Hill Park, MD

Average snowfall in December - Aspen Hill Park, MD
  • Average snowfall in December: 1.38"

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

Average snowfall days in December
Aspen Hill Park, MD

Average snowfall days in December - Aspen Hill Park, MD
  • Average snowfall days in December: 2.9 days

The months with the highest number of snowfall days are January and February (5.1 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
Aspen Hill Park, MD

Average daylight in December / Average sunshine in December - Aspen Hill Park, 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: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 48min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in December
Aspen Hill Park, MD

Average sunshine days in December - Aspen Hill Park, MD
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (19.5 days).
The months with the least sunshine days are May and July (11 days).

Average UV index in December
Aspen Hill Park, MD

Average UV index in December - Aspen Hill Park, 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, November and December (UV index 2).

Average cloud cover in December
Aspen Hill Park, MD

Average cloud cover in December - Aspen Hill Park, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Aspen Hill Park, MD

Average visibility in December - Aspen Hill Park, 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).

Aspen Hill Park, Maryland, USA

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