December weather forecast
Mary E White Estate, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Mary E White Estate, Maryland, with an average temperature varying between 36.5°F (2.5°C) and 46.4°F (8°C).

Temperature

The average high-temperature slightly decreases in December, shifting from a cool 54.5°F (12.5°C) in November to a frosty 46.4°F (8°C). During December, Mary E White Estate records an average temperature of 36.5°F (2.5°C) at night.

Humidity

In December, the average relative humidity is 75%.

Rainfall

In December, the rain falls for 7.5 days. Throughout December, 0.67" (17mm) of precipitation is accumulated. In Mary E White Estate, during the entire year, the rain falls for 127.2 days and collects up to 11.85" (301mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 1.4 days. Throughout December, 0.16" (4mm) of snow is accumulated. Throughout the year, there are 8 snowfall days, and 1.22" (31mm) 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 the month, sunrise is at 7:06 am and sunset at 4:45 pm. On the last day of December, sunrise is at 7:24 am and sunset at 4:55 pm EST.

Sunshine

The months with the least sunshine are February and December, with an average of 5.2h of sunshine.

UV index

January, February 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 low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What is the average December temperature?

In December, the average high-temperature and low-temperature are 46.4°F (8°C) and 36.5°F (2.5°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity in Mary E White Estate is 75%.

How much does it rain in December?

In December, the rain falls for 7.5 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

How much does it snow in December?

In Mary E White Estate, in December, during 1.4 snowfall days, 0.16" (4mm) of snow is typically accumulated.

What is the month with the shortest days?

December has the shortest days of the year in Mary E White Estate, with an average of 9h and 30min of daylight.

How many hours of daylight does Mary E White Estate have in December?

In December, the average day length is 9h and 31min.

When is the sunrise / sunset in December?

On the first day of December in Mary E White Estate, Maryland, sunrise is at 7:06 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:55 pm EST.

What are the months with the least sunshine?

The months with the least sunshine are February and December, with an average of 5.2h of sunshine.

How many hours of sunshine does Mary E White Estate have in December?

The average sunshine duration in December is 5.2h.

What are the months with the lowest UV index?

January, February 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 Mary E White Estate, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk 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
Mary E White Estate, MD

Average temperature in December - Mary E White Estate, MD
  • Average high temperature in December: 46.4°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.5°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (71.2°F).
The coldest month (with the lowest average low temperature) is January (30°F).

Average pressure in December
Mary E White Estate, MD

Average pressure in December - Mary E White Estate, MD
  • Average pressure in December: 30.11"Hg

The month with the highest atmospheric pressure is November (30.13"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Mary E White Estate, MD

Average wind speed in December - Mary E White Estate, MD
  • Average wind speed in December: 8.9mph

The windiest month (with the highest average wind speed) is March (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.4mph).

Average humidity in December
Mary E White Estate, MD

Average humidity in December - Mary E White Estate, 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 and November (72%).

Average rainfall in December
Mary E White Estate, MD

Average rainfall in December - Mary E White Estate, MD
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is August (1.93").
The driest month (with the least rainfall) is January (0.51").

Average rainfall days in December
Mary E White Estate, MD

Average rainfall days in December - Mary E White Estate, MD
  • Average rainfall days in December: 7.5 days

The month with the highest number of rainy days is August (15.6 days).
The month with the least rainy days is November (5.9 days).

Average snowfall in December
Mary E White Estate, MD

Average snowfall in December - Mary E White Estate, MD
  • Average snowfall in December: 0.16"

The month with the highest snowfall is January (0.55").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Mary E White Estate, MD

Average snowfall days in December - Mary E White Estate, MD
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is January (2.6 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Mary E White Estate, MD

Average daylight in December / Average sunshine in December - Mary E White Estate, MD
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
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 months with the least sunshine are February and December (Average sunshine: 5h and 12min).

Average sunshine days in December
Mary E White Estate, MD

Average sunshine days in December - Mary E White Estate, MD
  • Average sunshine days in December: 21 days

The month with the most sunshine days is November (22.6 days).
The month with the least sunshine days is August (12.5 days).

Average UV index in December
Mary E White Estate, MD

Average UV index in December - Mary E White Estate, 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, February and December (UV index 2).

Average cloud cover in December
Mary E White Estate, MD

Average cloud cover in December - Mary E White Estate, MD
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 27).

Average visibility in December
Mary E White Estate, MD

Average visibility in December - Mary E White Estate, 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).

Mary E White Estate, Maryland, USA

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