December weather forecast
Aberdeen, MD

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Weather in December

Wrapping up the year, December invites the winter season in full swing over Aberdeen. It solidifies the onset of winter, creating a chilly environment fitting for the festive season. Temperatures dropping as low as 33.1°F (0.6°C) ensure a white Christmas for Aberdeen. As the year ends, December provides another opportunity to appreciate the city's resilience against a changing climate. Stepping into the winter shoes from November, December caps off the year with a snowy blanket.

Temperature

December's arrival in Aberdeen, Maryland, coincides with a soft drop in the average high-temperature, subtly decreasing from November's fresh 53.1°F (11.7°C) to a frosty 44.4°F (6.9°C). Aberdeen throughout December, experiences an average nighttime temperature of 33.1°F (0.6°C).

Humidity

In December, the average relative humidity is 77%.

Rainfall

In December, in Aberdeen, the rain falls for 9.5 days. Throughout December, 2.44" (62mm) of precipitation is accumulated. Throughout the year, in Aberdeen, there are 153 rainfall days, and 30.39" (772mm) of precipitation is accumulated.

Snowfall

January through March, May, November and December are months with snowfall in Aberdeen. In Aberdeen, in December, during 1.8 snowfall days, 0.87" (22mm) of snow is typically accumulated. Throughout the year, in Aberdeen, there are 12.7 snowfall days, and 6.85" (174mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Aberdeen, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:51 pm EST.

Sunshine

The average sunshine in December in Aberdeen, Maryland, is 5.2h.

UV index

The months with the lowest UV index in Aberdeen are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. It's recommended to limit sun exposure when its radiation is at its peak during midday. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
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Frequently asked questions

How cold is it in Aberdeen in December?

In December, in Aberdeen, the average high-temperature is 44.4°F (6.9°C), and the average low-temperature is 33.1°F (0.6°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, is computed to be 89.6°F (32°C).

What is the average humidity in December in Aberdeen?

In Aberdeen, Maryland, the average relative humidity in December is 77%.

How much does it rain in Aberdeen in December?

In Aberdeen, Maryland, in December, it is raining for 9.5 days, with typically 2.44" (62mm) of accumulated precipitation.

How many days does it snow in December in Aberdeen?

In Aberdeen, in December, during 1.8 snowfall days, 0.87" (22mm) of snow is typically accumulated.

What is the month with the shortest days in Aberdeen?

December has the shortest days of the year, with an average of 9h and 24min of daylight.

What is the average length of the day in December in Aberdeen?

The average day length in December in Aberdeen, Maryland, is 9h and 26min.

What time are sunrise and sunset in December in Aberdeen?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:41 pm. On the last day of the month, in Aberdeen, sunrise is at 7:24 am and sunset at 4:51 pm EST.

How long on average sun shines in December in Aberdeen?

The average sunshine duration in December is 5.2h.

When is the lowest UV index in Aberdeen?

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

What is the UV index intensity in December in Aberdeen?

The average daily maximum UV index in December in Aberdeen, Maryland, is 2. A UV Index of 2, and less, symbolizes 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
Aberdeen, MD

Average temperature in December - Aberdeen, MD
  • Average high temperature in December: 44.4°F

The warmest month (with the highest average high temperature) is July (84.6°F).
The month with the lowest average high temperature is January (38.3°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

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Average pressure in December
Aberdeen, MD

Average pressure in December - Aberdeen, MD
  • Average pressure in December: 30.1"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).

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Average wind speed in December
Aberdeen, MD

Average wind speed in December - Aberdeen, MD
  • Average wind speed in December: 8.3mph

The windiest months (with the highest average wind speed) are February and March (9mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Aberdeen, MD

Average humidity in December - Aberdeen, MD
  • Average humidity in December: 77%

The month with the highest relative humidity is May (79%).
The months with the lowest relative humidity are March, April and November (74%).

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Average rainfall in December
Aberdeen, MD

Average rainfall in December - Aberdeen, MD
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.85").

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Average rainfall days in December
Aberdeen, MD

Average rainfall days in December - Aberdeen, MD
  • Average rainfall days in December: 9.5 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is January (7.5 days).

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Average snowfall in December
Aberdeen, MD

Average snowfall in December - Aberdeen, MD
  • Average snowfall in December: 0.87"

The month with the highest snowfall is January (2.17").
The months with the least snowfall are April, June, July, August, September and October (0").

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Average snowfall days in December
Aberdeen, MD

Average snowfall days in December - Aberdeen, MD
  • Average snowfall days in December: 1.8 days

The month with the highest number of snowfall days is January (4.2 days).
The months with the least snowfall days are April, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Aberdeen, MD
  • Average daylight in December: 9h and 2min

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 24min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

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Average sunshine days in December
Aberdeen, MD

Average sunshine days in December - Aberdeen, MD
  • Average sunshine days in December: 19.3 days

The month with the most sunshine days is November (20 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in December
Aberdeen, MD

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

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Average cloud cover in December
Aberdeen, MD

Average cloud cover in December - Aberdeen, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 31).

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Average visibility in December
Aberdeen, MD

Average visibility in December - Aberdeen, 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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Aberdeen, Maryland, USA

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