December weather forecast
Bonnie Acres, MD

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Weather in December

December, the first month of the winter in Bonnie Acres, is also a frosty month, with an average temperature fluctuating between 34.5°F (1.4°C) and 45.5°F (7.5°C).

Temperature

The beginning of December brings a slight decrease in the average high-temperature, transitioning from a fresh 53.6°F (12°C) in November to a chilly 45.5°F (7.5°C). Throughout December nights, Bonnie Acres registers an average low-temperature of 34.5°F (1.4°C).

Humidity

In December, the average relative humidity in Bonnie Acres is 76%.

Rainfall

In December, the rain falls for 10.4 days. Throughout December, 2.32" (59mm) of precipitation is accumulated. Throughout the year, there are 157.2 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Bonnie Acres, Maryland. In Bonnie Acres, during December, snow falls for 2.1 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 11.9 snowfall days, and 5.75" (146mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Bonnie Acres.
On the first day of the month, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of December, in Bonnie Acres, Maryland, sunrise is at 7:25 am and sunset at 4:54 pm EST.

Sunshine

The average sunshine in December is 5.2h.

UV index

January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The UV index of 2 during December leads to these advisories:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
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Frequently asked questions

What is the usual temperature for Bonnie Acres in December?

The average high-temperature, in December, in Bonnie Acres, is 45.5°F (7.5°C), while the average low-temperature is 34.5°F (1.4°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is calculated to be 91.4°F (33°C).

What is the average humidity in December in Bonnie Acres?

In December, the average relative humidity in Bonnie Acres is 76%.

How many days does it rain in December in Bonnie Acres?

In Bonnie Acres, Maryland, during December, the rain falls for 10.4 days and regularly aggregates up to 2.32" (59mm) of precipitation.

How much does it snow in Bonnie Acres in December?

In Bonnie Acres, in December, snow falls for 2.1 days, with typically accumulated 0.39" (10mm) of snow.

What is the month with the shortest days in Bonnie Acres?

December has the shortest days of the year in Bonnie Acres, Maryland, with an average of 9h and 30min of daylight.

What is the average length of the day in December in Bonnie Acres?

The average day length in December in Bonnie Acres, Maryland, is 9h and 28min.

When is the sunrise / sunset in December in Bonnie Acres?

On the first day of December in Bonnie Acres, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:54 pm EST.

How long on average sun shines in December in Bonnie Acres?

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

What is the month with the lowest UV index in Bonnie Acres?

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

What is the UV index reading in December in Bonnie Acres?

The average daily maximum UV index in December in Bonnie Acres, Maryland, is 2. A UV Index 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
Bonnie Acres, MD

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

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

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Average pressure in December
Bonnie Acres, MD

Average pressure in December - Bonnie 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
Bonnie Acres, MD

Average wind speed in December - Bonnie Acres, MD
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

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Average humidity in December
Bonnie Acres, MD

Average humidity in December - Bonnie Acres, MD
  • Average humidity in December: 76%

The month with the highest relative humidity is May (77%).
The months with the lowest relative humidity are March, April and July (72%).

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Average rainfall in December
Bonnie Acres, MD

Average rainfall in December - Bonnie Acres, MD
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

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Average rainfall days in December
Bonnie Acres, MD

Average rainfall days in December - Bonnie Acres, MD
  • Average rainfall days in December: 10.4 days

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

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Average snowfall in December
Bonnie Acres, MD

Average snowfall in December - Bonnie Acres, MD
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Bonnie Acres, MD

Average snowfall days in December - Bonnie Acres, MD
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Bonnie 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
Bonnie Acres, MD

Average sunshine days in December - Bonnie Acres, MD
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

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Average UV index in December
Bonnie Acres, MD

Average UV index in December - Bonnie 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
Bonnie Acres, MD

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

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

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Average visibility in December
Bonnie Acres, MD

Average visibility in December - Bonnie 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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Bonnie Acres, Maryland, USA

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