December weather forecast
Bel Alton, MD

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Weather in December

December, the first month of the winter in Bel Alton, is also a frosty month, with an average temperature varying between 34.5°F (1.4°C) and 46.9°F (8.3°C).

Temperature

December's arrival subtly correlates with a reduction in the average high-temperature, down from a cool 55°F (12.8°C) in November to a frosty 46.9°F (8.3°C). Throughout the December nights, Bel Alton encounters a low-temperature of 34.5°F (1.4°C).

Humidity

In December, the average relative humidity is 77%.

Rainfall

In December, the rain falls for 11.5 days. Throughout December, 2.28" (58mm) of precipitation is accumulated. In Bel Alton, during the entire year, the rain falls for 151.4 days and collects up to 29.33" (745mm) of precipitation.

Snowfall

Months with snowfall in Bel Alton are January through April, November and December. In December, in Bel Alton, it is snowing for 2 days. Throughout December, 1.02" (26mm) of snow is accumulated. In Bel Alton, during the entire year, snow falls for 13.5 days and aggregates up to 7.24" (184mm) of snow.

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 4:47 pm. On the last day of December, sunrise is at 7:25 am and sunset at 4:57 pm EST.

Sunshine

February and December, with an average of 5h of sunshine, are months with the least 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 reading of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: An average UV index of 2 in December transforms into this advice:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 25, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature in Bel Alton?

The average high-temperature, in December, in Bel Alton, is 46.9°F (8.3°C), while the average low-temperature is 34.5°F (1.4°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in August is evaluated at 95°F (35°C).

What is the average humidity in December?

In Bel Alton, the average relative humidity in December is 77%.

How much does it rain in December?

In December, the rain falls for 11.5 days. Throughout December, 2.28" (58mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 2 days. Throughout December, 1.02" (26mm) of snow is accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In December, the average day length is 9h and 32min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:47 pm. On the last day of the month, in Bel Alton, Maryland, sunrise is at 7:25 am and sunset at 4:57 pm EST.

What is the month with the least sunshine?

February and December, with an average of 5h of sunshine, are months with the least sunshine.

How long on average sun shines in December?

In Bel Alton, the average sunshine duration in December is 5h.

When is the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health risk 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
Bel Alton, MD

Average temperature in December - Bel Alton, MD
  • Average high temperature in December: 46.9°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (68.9°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in December
Bel Alton, MD

Average pressure in December - Bel Alton, 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 (29.95"Hg).

Average wind speed in December
Bel Alton, MD

Average wind speed in December - Bel Alton, MD
  • Average wind speed in December: 6.7mph

The windiest months (with the highest average wind speed) are March and April (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

Average humidity in December
Bel Alton, MD

Average humidity in December - Bel Alton, MD
  • Average humidity in December: 77%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March and April (73%).

Average rainfall in December
Bel Alton, MD

Average rainfall in December - Bel Alton, MD
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is August (3.31").
The driest month (with the least rainfall) is January (1.85").

Average rainfall days in December
Bel Alton, MD

Average rainfall days in December - Bel Alton, MD
  • Average rainfall days in December: 11.5 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Bel Alton, MD

Average snowfall in December - Bel Alton, MD
  • Average snowfall in December: 1.02"

The month with the highest snowfall is January (2.32").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Bel Alton, MD

Average snowfall days in December - Bel Alton, MD
  • Average snowfall days in December: 2 days

The month with the highest number of snowfall days is January (4.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Bel Alton, MD

Average daylight in December / Average sunshine in December - Bel Alton, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).

Average sunshine days in December
Bel Alton, MD

Average sunshine days in December - Bel Alton, MD
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is May (11.4 days).

Average UV index in December
Bel Alton, MD

Average UV index in December - Bel Alton, 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
Bel Alton, MD

Average cloud cover in December - Bel Alton, MD
  • Average cloud cover in December: 45

The month with the most cloud cover is March (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 32).

Average visibility in December
Bel Alton, MD

Average visibility in December - Bel Alton, 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).

Bel Alton, Maryland, USA

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