December weather forecast
Colony Ridge, MD

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Weather in December

December, the first month of the winter in Colony Ridge, is also a frosty month, with an average temperature ranging between max 45.5°F (7.5°C) and min 34.5°F (1.4°C).

Temperature

December signifies a gentle decline in Colony Ridge's average high-temperature, easing from a cool 53.6°F (12°C) in November to a frosty 45.5°F (7.5°C). During December, the temperature tends to dip to an average of 34.5°F (1.4°C) at night.

Humidity

The average relative humidity in December in Colony Ridge, Maryland, is 76%.

Rainfall

In Colony Ridge, in December, during 10.4 rainfall days, 2.32" (59mm) of precipitation is typically accumulated. Throughout the year, there are 157.2 rainfall days, and 30.47" (774mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Colony Ridge. In Colony Ridge, during December, snow falls for 2.1 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 11.9 snowfall days, and 5.75" (146mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:54 pm EST.

Sunshine

The average sunshine in December is 5.2h.

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 estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

Colony Ridge in December has an average high-temperature of 45.5°F (7.5°C) and an average low-temperature of 34.5°F (1.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 91.4°F (33°C).

What is the average humidity in December?

In Colony Ridge, the average relative humidity in December is 76%.

How many days does it rain in December?

In December, the rain falls for 10.4 days. Throughout December, 2.32" (59mm) of precipitation is accumulated.

How many days does it snow in December?

In Colony Ridge, during December, snow falls for 2.1 days and regularly aggregates up to 0.39" (10mm) of snow.

What is the month with the shortest days?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Colony Ridge.

What is the average length of the day in December?

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

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:07 am and sunset at 4:44 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 4:54 pm EST.

How many hours of sunshine does Colony Ridge have in December?

In December, the average sunshine duration is 5.2h.

When is the lowest UV index?

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

What is the UV index intensity in December in Colony Ridge?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents 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
Colony Ridge, MD

Average temperature in December - Colony Ridge, MD
  • Average high temperature in December: 45.5°F

The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (70.3°F).
The coldest month (with the lowest average low temperature) is January (27.7°F).

Average pressure in December
Colony Ridge, MD

Average pressure in December - Colony Ridge, 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 (29.94"Hg).

Average wind speed in December
Colony Ridge, MD

Average wind speed in December - Colony Ridge, MD
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are January, February and March (9.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in December
Colony Ridge, MD

Average humidity in December - Colony Ridge, MD
  • Average humidity in December: 76%

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

Average rainfall in December
Colony Ridge, MD

Average rainfall in December - Colony Ridge, MD
  • Average rainfall in December: 2.32"

The wettest month (with the highest rainfall) is August (4.09").
The driest month (with the least rainfall) is January (1.81").

Average rainfall days in December
Colony Ridge, MD

Average rainfall days in December - Colony Ridge, MD
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (18 days).
The months with the least rainy days are January and November (8.4 days).

Average snowfall in December
Colony Ridge, MD

Average snowfall in December - Colony Ridge, MD
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (2.09").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Colony Ridge, MD

Average snowfall days in December - Colony Ridge, MD
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (3.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Colony Ridge, MD

Average daylight in December / Average sunshine in December - Colony Ridge, 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 54min).
The month with the least sunshine is February (Average sunshine: 5h and 6min).

Average sunshine days in December
Colony Ridge, MD

Average sunshine days in December - Colony Ridge, MD
  • Average sunshine days in December: 18.4 days

The month with the most sunshine days is November (19.9 days).
The months with the least sunshine days are May and July (10.8 days).

Average UV index in December
Colony Ridge, MD

Average UV index in December - Colony Ridge, 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
Colony Ridge, MD

Average cloud cover in December - Colony Ridge, MD
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 45).
The month with the least cloud cover is July (Cloud cover 29).

Average visibility in December
Colony Ridge, MD

Average visibility in December - Colony Ridge, 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).

Colony Ridge, Maryland, USA

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