December weather forecast
Carole Highlands, MD

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Weather in December

The first month of the winter, December, is also a frosty month in Carole Highlands, Maryland, with temperature in the range of an average low of 33.3°F (0.7°C) and an average high of 45.3°F (7.4°C).

Temperature

The transition into December subtly indicates a reduction in the average high-temperature, down to a frosty 45.3°F (7.4°C) from November's cool 53.6°F (12°C). In Carole Highlands, the average low-temperature during the month of December is an icy 33.3°F (0.7°C).

Humidity

May, October and December, with an average relative humidity of 75%, are the most humid months.

Rainfall

In Carole Highlands, in December, during 10.4 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Carole Highlands, during the entire year, the rain falls for 154.8 days and collects up to 30.28" (769mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Carole Highlands, in December, during 2.5 snowfall days, 1.34" (34mm) of snow is typically accumulated. In Carole Highlands, during the entire year, snow falls for 15 days and aggregates up to 9.17" (233mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of December, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:55 pm EST.

Sunshine

The average sunshine in December is 5h.

UV index

The months with the lowest UV index are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for the average person.
Note: In December, the maximum UV index of 2 transforms into these recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.

Frequently asked questions

What is the temperature in December?

The high-temperature, in December, in Carole Highlands, is 45.3°F (7.4°C), while the low-temperature averages to 33.3°F (0.7°C). In August, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is computed to be 95°F (35°C).

What are the most humid months?

The months with the highest humidity are May, October and December, with an average relative humidity of 75%.

What is the average humidity in December?

In Carole Highlands, the average relative humidity in December is 75%.

How much does it rain in December?

In Carole Highlands, in December, during 10.4 rainfall days, 2.44" (62mm) of precipitation is typically accumulated.

How much does it snow in December?

In Carole Highlands, during December, snow falls for 2.5 days and regularly aggregates up to 1.34" (34mm) of snow.

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 Carole Highlands, the average day length in December is 9h and 29min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 7:08 am and sunset at 4:46 pm. On the last day of the month, sunrise is at 7:26 am and sunset at 4:55 pm EST.

How long on average sun shines in December?

In Carole Highlands, the average sunshine duration in December is 5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Carole Highlands, MD

Average temperature in December - Carole Highlands, MD
  • Average high temperature in December: 45.3°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 (39.7°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December
Carole Highlands, MD

Average pressure in December - Carole Highlands, 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
Carole Highlands, MD

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

The windiest month (with the highest average wind speed) is March (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.2mph).

Average humidity in December
Carole Highlands, MD

Average humidity in December - Carole Highlands, MD
  • Average humidity in December: 75%

The months with the highest relative humidity are May, October and December (75%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
Carole Highlands, MD

Average rainfall in December - Carole Highlands, MD
  • Average rainfall in December: 2.44"

The wettest month (with the highest rainfall) is August (3.86").
The driest month (with the least rainfall) is January (1.89").

Average rainfall days in December
Carole Highlands, MD

Average rainfall days in December - Carole Highlands, MD
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Carole Highlands, MD

Average snowfall in December - Carole Highlands, MD
  • Average snowfall in December: 1.34"

The month with the highest snowfall is January (2.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Carole Highlands, MD

Average snowfall days in December - Carole Highlands, MD
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (4.6 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
Carole Highlands, MD

Average daylight in December / Average sunshine in December - Carole Highlands, 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 0min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Carole Highlands, MD

Average sunshine days in December - Carole Highlands, MD
  • Average sunshine days in December: 17.7 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (12 days).

Average UV index in December
Carole Highlands, MD

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

Average cloud cover in December
Carole Highlands, MD

Average cloud cover in December - Carole Highlands, MD
  • Average cloud cover in December: 46

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
Carole Highlands, MD

Average visibility in December - Carole Highlands, 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).

Carole Highlands, Maryland, USA

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