December weather forecast
Clear Brook, VA

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Weather in December

December, the first month of the winter in Clear Brook, is also a frosty month, with an average temperature ranging between max 43.2°F (6.2°C) and min 29.7°F (-1.3°C).

Temperature

The arrival of December signals a subtle shift in temperature, down from a fresh 52.2°F (11.2°C) in November to a chilly 43.2°F (6.2°C). Throughout December, an average low-temperature of 29.7°F (-1.3°C) is expected in Clear Brook, Virginia.

Humidity

In Clear Brook, the average relative humidity in December is 78%.

Rainfall

In Clear Brook, Virginia, during December, the rain falls for 11 days and regularly aggregates up to 2.4" (61mm) of precipitation. Throughout the year, there are 167.2 rainfall days, and 29.61" (752mm) of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Clear Brook. In Clear Brook, Virginia, in December, during 4.5 snowfall days, 3.15" (80mm) of snow is typically accumulated. In Clear Brook, during the entire year, snow falls for 26.2 days and aggregates up to 17.83" (453mm) of snow.

Daylight

The month with the shortest days in Clear Brook is December, with an average of 9h and 30min of daylight.
On the first day of December in Clear Brook, sunrise is at 7:13 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:59 pm EST.

Sunshine

In Clear Brook, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index in Clear Brook are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
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Frequently asked questions

Is it cold in Clear Brook during December?

In December, in Clear Brook, the average high-temperature is 43.2°F (6.2°C), and the average low-temperature is 29.7°F (-1.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines relative humidity and air temperature, in August is evaluated at 91.4°F (33°C).

What is the average humidity in December in Clear Brook?

In December, the average relative humidity in Clear Brook is 78%.

How much does it rain in Clear Brook in December?

In Clear Brook, in December, it is raining for 11 days, with typically 2.4" (61mm) of accumulated precipitation.

How many days does it snow in December in Clear Brook?

In Clear Brook, in December, during 4.5 snowfall days, 3.15" (80mm) of snow is typically accumulated.

What is the month with the shortest days in Clear Brook?

December has the shortest days of the year in Clear Brook, with an average of 9h and 30min of daylight.

How many hours of daylight does Clear Brook have in December?

The average day length in December in Clear Brook, Virginia, is 9h and 28min.

When are sunrise and sunset in December in Clear Brook?

In December, on the first day of the month, sunrise is at 7:13 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:59 pm EST.

How long on average sun shines in December in Clear Brook?

In Clear Brook, Virginia, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Clear Brook?

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

How high is the UV index in December in Clear Brook?

In Clear Brook, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Clear Brook, VA

Average temperature in December - Clear Brook, VA
  • Average high temperature in December: 43.2°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (37.9°F).

  • Average low temperature in December: 29.7°F

The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).

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Average pressure in December
Clear Brook, VA

Average pressure in December - Clear Brook, VA
  • 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
Clear Brook, VA

Average wind speed in December - Clear Brook, VA
  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is March (7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in December
Clear Brook, VA

Average humidity in December - Clear Brook, VA
  • Average humidity in December: 78%

The month with the highest relative humidity is October (79%).
The month with the lowest relative humidity is July (73%).

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Average rainfall in December
Clear Brook, VA

Average rainfall in December - Clear Brook, VA
  • Average rainfall in December: 2.4"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is January (1.97").

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Average rainfall days in December
Clear Brook, VA

Average rainfall days in December - Clear Brook, VA
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (9.4 days).

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Average snowfall in December
Clear Brook, VA

Average snowfall in December - Clear Brook, VA
  • Average snowfall in December: 3.15"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
Clear Brook, VA

Average snowfall days in December - Clear Brook, VA
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (8.7 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Clear Brook, VA

Average daylight in December / Average sunshine in December - Clear Brook, VA
  • 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 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

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Average sunshine days in December
Clear Brook, VA

Average sunshine days in December - Clear Brook, VA
  • Average sunshine days in December: 16.7 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is May (10 days).

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Average UV index in December
Clear Brook, VA

Average UV index in December - Clear Brook, VA
  • 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
Clear Brook, VA

Average cloud cover in December - Clear Brook, VA
  • Average cloud cover in December: 46

The months with the most cloud cover are February, March and December (Cloud cover 46).
The month with the least cloud cover is July (Cloud cover 30).

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Average visibility in December
Clear Brook, VA

Average visibility in December - Clear Brook, VA
  • Average visibility in December: 6mi

The months with the highest visibility are February, April, June, July, August, November and December (6mi).
The months with the lowest visibility are January, March, May, September and October (5mi).

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Clear Brook, Virginia, USA

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