December weather forecast
Great Meadows, MD

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Weather in December

December, the first month of the winter in Great Meadows, is still a chilly month, with an average temperature fluctuating between 36.5°F (2.5°C) and 46°F (7.8°C).

Temperature

Great Meadows's progression into December involves a gentle drop in the average high-temperature, from a fresh 54.5°F (12.5°C) in November to a chilly 46°F (7.8°C). Great Meadows experiences a mean low-temperature of 36.5°F (2.5°C) during December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Great Meadows, in December, it is raining for 7.4 days, with typically 0.67" (17mm) of accumulated precipitation. In Great Meadows, during the entire year, the rain falls for 120.4 days and collects up to 10.47" (266mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In Great Meadows, during December, snow falls for 1.5 days and regularly aggregates up to 0.12" (3mm) of snow. Throughout the year, there are 8.3 snowfall days, and 1.22" (31mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 30min of daylight.
On the first day of December in Great Meadows, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:53 pm EST.

Sunshine

The average sunshine in December is 5.2h.

UV index

The months with the lowest UV index in Great Meadows are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: In December, the maximum UV index of 2 suggests these recommendations:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Aug 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Great Meadows in December?

December temperatures vary between a high-temperature of 46°F (7.8°C) and a low-temperature of 36.5°F (2.5°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 89.6°F (32°C).

What is the average humidity in December?

In December, the average relative humidity is 75%.

How many days does it rain in December?

In December, the rain falls for 7.4 days. Throughout December, 0.67" (17mm) of precipitation is accumulated.

How much does it snow in December?

In Great Meadows, Maryland, in December, during 1.5 snowfall days, 0.12" (3mm) of snow is typically accumulated.

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.

How many hours of daylight does Great Meadows have in December?

In December, the average day length in Great Meadows is 9h and 29min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 4:53 pm EST.

How long on average sun shines in December?

In Great Meadows, the average sunshine duration in December is 5.2h.

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.

What is the UV index reading in December?

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

Average temperature in December - Great Meadows, MD
  • Average high temperature in December: 46°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (72°F).
The coldest month (with the lowest average low temperature) is January (29.8°F).

Average pressure in December
Great Meadows, MD

Average pressure in December - Great Meadows, MD
  • Average pressure in December: 30.11"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).

Average wind speed in December
Great Meadows, MD

Average wind speed in December - Great Meadows, MD
  • Average wind speed in December: 9.3mph

The windiest month (with the highest average wind speed) is January (10mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).

Average humidity in December
Great Meadows, MD

Average humidity in December - Great Meadows, MD
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are January, March, April and November (72%).

Average rainfall in December
Great Meadows, MD

Average rainfall in December - Great Meadows, MD
  • Average rainfall in December: 0.67"

The wettest month (with the highest rainfall) is August (1.69").
The driest month (with the least rainfall) is January (0.47").

Average rainfall days in December
Great Meadows, MD

Average rainfall days in December - Great Meadows, MD
  • Average rainfall days in December: 7.4 days

The months with the highest number of rainy days are July and August (14.3 days).
The month with the least rainy days is November (5.3 days).

Average snowfall in December
Great Meadows, MD

Average snowfall in December - Great Meadows, MD
  • Average snowfall in December: 0.12"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Great Meadows, MD

Average snowfall days in December - Great Meadows, MD
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (2.5 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
Great Meadows, MD

Average daylight in December / Average sunshine in December - Great Meadows, 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 month with the least sunshine is February (Average sunshine: 5h and 0min).

Average sunshine days in December
Great Meadows, MD

Average sunshine days in December - Great Meadows, MD
  • Average sunshine days in December: 21.5 days

The month with the most sunshine days is November (23.4 days).
The month with the least sunshine days is August (13.8 days).

Average UV index in December
Great Meadows, MD

Average UV index in December - Great Meadows, 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
Great Meadows, MD

Average cloud cover in December - Great Meadows, MD
  • Average cloud cover in December: 44

The months with the most cloud cover are February and March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 28).

Average visibility in December
Great Meadows, MD

Average visibility in December - Great Meadows, MD
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

Great Meadows, Maryland, USA

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