December weather forecast
Allanwood, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Allanwood, Maryland, with an average temperature fluctuating between 45.3°F (7.4°C) and 32.9°F (0.5°C).

Temperature

The arrival of December suggests a slight decrease in the average high-temperature, moving from a cool 53.4°F (11.9°C) in November to a frosty 45.3°F (7.4°C). Allanwood experiences an average low-temperature of 32.9°F (0.5°C) in month of December.

Humidity

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

Rainfall

In December, in Allanwood, the rain falls for 10.2 days. Throughout December, 2.76" (70mm) of precipitation is accumulated. Throughout the year, in Allanwood, there are 160.9 rainfall days, and 32.99" (838mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Allanwood, Maryland, in December, during 2.9 snowfall days, 1.38" (35mm) of snow is typically accumulated. In Allanwood, 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 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 4:55 pm EST.

Sunshine

In Allanwood, the average sunshine in December is 5.1h.

UV index

January, November 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 unsafe exposure to UV radiation for average individuals.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

What is the usual temperature for Allanwood in December?

The high-temperature, in December, in Allanwood, is 45.3°F (7.4°C), while the low-temperature averages to 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 93.2°F (34°C).

What are the most humid months in Allanwood?

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 Allanwood?

The average relative humidity in December in Allanwood, Maryland, is 76%.

How many days does it rain in December in Allanwood?

In Allanwood, in December, it is raining for 10.2 days, with typically 2.76" (70mm) of accumulated precipitation.

How much does it snow in Allanwood in December?

In Allanwood, in December, during 2.9 snowfall days, 1.38" (35mm) of snow is typically accumulated.

What is the month with the shortest days in Allanwood?

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 in Allanwood?

In Allanwood, the average day length in December is 9h and 28min.

When are sunrise and sunset in December in Allanwood?

In December, on the first day of the month, 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 4:55 pm EST.

How many hours of sunshine does Allanwood have in December?

The average sunshine duration in December is 5.1h.

What are the months with the lowest UV index in Allanwood?

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

How high is the UV index in December in Allanwood?

In Allanwood, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's 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
Allanwood, MD

Average temperature in December - Allanwood, 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).

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Average pressure in December
Allanwood, MD

Average pressure in December - Allanwood, 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).

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Average wind speed in December
Allanwood, MD

Average wind speed in December - Allanwood, 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).

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Average humidity in December
Allanwood, MD

Average humidity in December - Allanwood, 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%).

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Average rainfall in December
Allanwood, MD

Average rainfall in December - Allanwood, 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").

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Average rainfall days in December
Allanwood, MD

Average rainfall days in December - Allanwood, 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).

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Average snowfall in December
Allanwood, MD

Average snowfall in December - Allanwood, 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").

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Average snowfall days in December
Allanwood, MD

Average snowfall days in December - Allanwood, 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).

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Average daylight in December /
Average sunshine in December
Allanwood, MD

Average daylight in December / Average sunshine in December - Allanwood, 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 month with the least sunshine is February (Average sunshine: 5h and 0min).

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Average sunshine days in December
Allanwood, MD

Average sunshine days in December - Allanwood, MD
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (19.4 days).
The months with the least sunshine days are May and July (11 days).

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Average UV index in December
Allanwood, MD

Average UV index in December - Allanwood, 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).

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Average cloud cover in December
Allanwood, MD

Average cloud cover in December - Allanwood, 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).

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Average visibility in December
Allanwood, MD

Average visibility in December - Allanwood, 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).

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Allanwood, Maryland, USA

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