December weather forecast
Charlene, MD

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Weather in December

The first month of the winter, December, is still a chilly month in Charlene, Maryland, with an average temperature ranging between max 44.2°F (6.8°C) and min 32.2°F (0.1°C).

Temperature

December's arrival aligns with a minor decrease in average high-temperatures, from November's fresh 53.1°F (11.7°C) to a chilly 44.2°F (6.8°C). Charlene in December anticipates an average nighttime temperature of 32.2°F (0.1°C).

Humidity

May, October and December, with an average relative humidity of 77%, are the most humid months in Charlene.

Rainfall

In Charlene, during December, the rain falls for 10.5 days and regularly aggregates up to 2.09" (53mm) of precipitation. Throughout the year, there are 154.8 rainfall days, and 29.09" (739mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, November and December. In Charlene, in December, snow falls for 2.5 days, with typically accumulated 1.38" (35mm) of snow. In Charlene, during the entire year, snow falls for 16.7 days and aggregates up to 9.76" (248mm) of snow.

Daylight

December has the shortest days of the year in Charlene, Maryland, with an average of 9h and 30min of daylight.
On the first day of December in Charlene, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:28 am and sunset at 4:56 pm EST.

Sunshine

The months with the least sunshine are January, February and December, with an average of 5.1h of sunshine.

UV index

The months with the lowest UV index in Charlene are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Frequently asked questions

How cold is December in Charlene?

The high-temperature, in December, in Charlene, is 44.2°F (6.8°C), while the low-temperature averages to 32.2°F (0.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is evaluated at 93.2°F (34°C).

What are the most humid months in Charlene?

The months with the highest humidity in Charlene, Maryland, are May, October and December, with an average relative humidity of 77%.

What is the average humidity in December in Charlene?

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

How many days does it rain in December in Charlene?

In Charlene, Maryland, in December, it is raining for 10.5 days, with typically 2.09" (53mm) of accumulated precipitation.

How much does it snow in Charlene in December?

In Charlene, Maryland, in December, snow falls for 2.5 days, with typically accumulated 1.38" (35mm) of snow.

What is the month with the shortest days in Charlene?

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 Charlene?

In Charlene, the average day length in December is 9h and 28min.

What time are sunrise and sunset in December in Charlene?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:46 pm. On the last day of the month, in Charlene, Maryland, sunrise is at 7:28 am and sunset at 4:56 pm EST.

What is the month with the least sunshine in Charlene?

The months with the least sunshine are January, February and December, with an average of 5.1h of sunshine.

How many hours of sunshine does Charlene have in December?

In December, the average sunshine duration in Charlene, Maryland, is 5.1h.

When is the lowest UV index in Charlene?

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

What is the UV index intensity in December in Charlene?

In Charlene, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability 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
Charlene, MD

Average temperature in December - Charlene, MD
  • Average high temperature in December: 44.2°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 32.2°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 (25.2°F).

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Average pressure in December
Charlene, MD

Average pressure in December - Charlene, 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).

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Average wind speed in December
Charlene, MD

Average wind speed in December - Charlene, MD
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is March (8mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Charlene, MD

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

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

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Average rainfall in December
Charlene, MD

Average rainfall in December - Charlene, MD
  • Average rainfall in December: 2.09"

The wettest month (with the highest rainfall) is August (3.82").
The driest month (with the least rainfall) is January (1.73").

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Average rainfall days in December
Charlene, MD

Average rainfall days in December - Charlene, MD
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is May (17.4 days).
The month with the least rainy days is January (8.7 days).

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Average snowfall in December
Charlene, MD

Average snowfall in December - Charlene, MD
  • Average snowfall in December: 1.38"

The month with the highest snowfall is January (2.76").
The months with the least snowfall are June, July, August, September and October (0").

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Average snowfall days in December
Charlene, MD

Average snowfall days in December - Charlene, MD
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Charlene, 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 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Charlene, MD

Average sunshine days in December - Charlene, MD
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.5 days).

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Average UV index in December
Charlene, MD

Average UV index in December - Charlene, 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
Charlene, MD

Average cloud cover in December - Charlene, 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 30).

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Average visibility in December
Charlene, MD

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

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