December weather forecast
Sunnyview Acres, MD

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Weather in December

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

Temperature

In Sunnyview Acres, entering December brings a subtle temperature decrement, reducing from November's cool 53.8°F (12.1°C) to a chilly 45.5°F (7.5°C). December nights in Sunnyview Acres are marked by an average low-temperature of 34.7°F (1.5°C).

Humidity

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

Rainfall

In Sunnyview Acres, during December, the rain falls for 11.4 days and regularly aggregates up to 2.83" (72mm) of precipitation. Throughout the year, there are 155.7 rainfall days, and 31.22" (793mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sunnyview Acres, Maryland, are January through April, November and December. In Sunnyview Acres, in December, snow falls for 2.4 days, with typically accumulated 0.63" (16mm) of snow. Throughout the year, there are 14 snowfall days, and 6.14" (156mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Sunnyview Acres, with an average of 9h and 30min of daylight.
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 Sunnyview Acres, Maryland, sunrise is at 7:25 am and sunset at 4:54 pm EST.

Sunshine

The average sunshine in December in Sunnyview Acres is 5.2h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
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Frequently asked questions

What is the usual temperature for Sunnyview Acres in December?

The high-temperature in Sunnyview Acres, Maryland, during December is 45.5°F (7.5°C) and the low-temperature is 34.7°F (1.5°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 91.4°F (33°C).

What is the average humidity in December in Sunnyview Acres?

The average relative humidity in December in Sunnyview Acres, Maryland, is 75%.

How much does it rain in Sunnyview Acres in December?

In December, the rain falls for 11.4 days. Throughout December, 2.83" (72mm) of precipitation is accumulated.

How much does it snow in Sunnyview Acres in December?

In Sunnyview Acres, Maryland, in December, during 2.4 snowfall days, 0.63" (16mm) of snow is typically accumulated.

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

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 Sunnyview Acres?

The average day length in December in Sunnyview Acres is 9h and 29min.

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

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

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

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

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

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

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

In December, the average daily maximum UV index in Sunnyview Acres is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Sunnyview Acres, MD

Average temperature in December - Sunnyview 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
Sunnyview Acres, MD

Average pressure in December - Sunnyview 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
Sunnyview Acres, MD

Average wind speed in December - Sunnyview 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
Sunnyview Acres, MD

Average humidity in December - Sunnyview 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
Sunnyview Acres, MD

Average rainfall in December - Sunnyview 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
Sunnyview Acres, MD

Average rainfall days in December - Sunnyview 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
Sunnyview Acres, MD

Average snowfall in December - Sunnyview 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
Sunnyview Acres, MD

Average snowfall days in December - Sunnyview 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
Sunnyview Acres, MD

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

Average sunshine days in December - Sunnyview 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
Sunnyview Acres, MD

Average UV index in December - Sunnyview 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
Sunnyview Acres, MD

Average cloud cover in December - Sunnyview 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
Sunnyview Acres, MD

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

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