December weather forecast
Charlene, MD

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Weather in December

December, the first month of the winter in Charlene, is also a frosty month, with an average temperature varying between 44.2°F (6.8°C) and 32.2°F (0.1°C).

Temperature

Charlene's weather in December involves a mild decrease in the average high-temperature, moving down slightly from November's cool 53.1°F (11.7°C) to a frosty 44.2°F (6.8°C). Nighttime temperature experiences an average drop to an icy 32.2°F (0.1°C) in December.

Humidity

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

Rainfall

In Charlene, in December, during 10.5 rainfall days, 2.09" (53mm) of precipitation is typically accumulated. 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, during 2.5 snowfall days, 1.38" (35mm) of snow is typically accumulated. In Charlene, during the entire year, snow falls for 16.7 days and aggregates up to 9.76" (248mm) of snow.

Daylight

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

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: An average UV index of 2 in December transforms into this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

How cold is it in December?

The high-temperature, in December, in Charlene, records 44.2°F (6.8°C), while the low-temperature is 32.2°F (0.1°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is estimated at 93.2°F (34°C).

What are the most humid months in Charlene?

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

What is the average humidity in December?

In December, the average relative humidity is 77%.

How much does it rain in December?

In Charlene, during December, the rain falls for 10.5 days and regularly aggregates up to 2.09" (53mm) of precipitation.

How much does it snow in December?

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

What is the month with the shortest days?

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

When are sunrise and sunset in December?

On the first day of December, 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.

What are the months with the least sunshine?

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

How many hours of sunshine does Charlene have in December?

The average sunshine duration in December is 5.1h.

What is the month with the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

Charlene, Maryland, USA

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