December weather forecast
Holly Anna Acres, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Holly Anna Acres, Maryland, with an average temperature ranging between min 34.7°F (1.5°C) and max 45.5°F (7.5°C).

Temperature

In the transition to December, Holly Anna Acres observes a minor drop in the average high-temperature, shifting from a cool 53.8°F (12.1°C) in November to a chilly 45.5°F (7.5°C). The average low-temperature of 34.7°F (1.5°C) is witnessed during December.

Humidity

In December, the average relative humidity in Holly Anna Acres is 75%.

Rainfall

In Holly Anna Acres, in December, during 11.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated. In Holly Anna Acres, Maryland, during the entire year, the rain falls for 155.7 days and collects up to 31.22" (793mm) of precipitation.

Snowfall

Months with snowfall in Holly Anna Acres are January through April, November and December. In December, in Holly Anna Acres, it is snowing for 2.4 days. Throughout December, 0.63" (16mm) of snow is accumulated. Throughout the year, in Holly Anna Acres, there are 14 snowfall days, and 6.14" (156mm) 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 7:06 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:53 pm EST.

Sunshine

In December, the average sunshine is 5.2h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Holly Anna Acres. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What are the temperatures in Holly Anna Acres in December?

The high-temperature, in December, in Holly Anna Acres, records 45.5°F (7.5°C), while the low-temperature is 34.7°F (1.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in December in Holly Anna Acres?

In December, the average relative humidity in Holly Anna Acres, Maryland, is 75%.

How much does it rain in Holly Anna Acres in December?

In Holly Anna Acres, Maryland, in December, during 11.4 rainfall days, 2.83" (72mm) of precipitation is typically accumulated.

How much does it snow in Holly Anna Acres in December?

In Holly Anna Acres, Maryland, during December, snow falls for 2.4 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the month with the shortest days in Holly Anna Acres?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Holly Anna Acres have in December?

In Holly Anna Acres, the average day length in December is 9h and 29min.

What time are sunrise and sunset in December in Holly Anna Acres?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:44 pm. On the last day of the month, in Holly Anna Acres, Maryland, sunrise is at 7:24 am and sunset at 4:53 pm EST.

How long on average sun shines in December in Holly Anna Acres?

In December, the average sunshine duration in Holly Anna Acres is 5.2h.

What is the month with the lowest UV index in Holly Anna Acres?

The months with the lowest UV index in Holly Anna Acres, Maryland, are January, November and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Holly Anna Acres?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Holly Anna Acres, MD

Average temperature in December - Holly Anna Acres, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.6°F).

  • Average low temperature in December: 34.7°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

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Average pressure in December
Holly Anna Acres, MD

Average pressure in December - Holly Anna 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).

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Average wind speed in December
Holly Anna Acres, MD

Average wind speed in December - Holly Anna Acres, MD
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is March (9.4mph).
The calmest months (with the lowest average wind speed) are July and August (6mph).

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Average humidity in December
Holly Anna Acres, MD

Average humidity in December - Holly Anna Acres, MD
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

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Average rainfall in December
Holly Anna Acres, MD

Average rainfall in December - Holly Anna Acres, MD
  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is August (3.54").
The driest month (with the least rainfall) is September (1.89").

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Average rainfall days in December
Holly Anna Acres, MD

Average rainfall days in December - Holly Anna Acres, MD
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is May (17.5 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in December
Holly Anna Acres, MD

Average snowfall in December - Holly Anna Acres, MD
  • Average snowfall in December: 0.63"

The month with the highest snowfall is January (2.05").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Holly Anna Acres, MD

Average snowfall days in December - Holly Anna Acres, MD
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (4.4 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
Holly Anna Acres, MD

Average daylight in December / Average sunshine in December - Holly Anna Acres, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

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Average sunshine days in December
Holly Anna Acres, MD

Average sunshine days in December - Holly Anna Acres, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (18.7 days).
The month with the least sunshine days is May (10.8 days).

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Average UV index in December
Holly Anna Acres, MD

Average UV index in December - Holly Anna 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, November and December (UV index 2).

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Average cloud cover in December
Holly Anna Acres, MD

Average cloud cover in December - Holly Anna Acres, MD
  • Average cloud cover in December: 44

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

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Average visibility in December
Holly Anna Acres, MD

Average visibility in December - Holly Anna Acres, 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).

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Holly Anna Acres, Maryland, USA

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