December weather forecast
Sperryville, VA

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Weather in December

The first month of the winter, December, is also a frosty month in Sperryville, Virginia, with an average temperature varying between 43.7°F (6.5°C) and 29.5°F (-1.4°C).

Temperature

During the shift to December, Sperryville records a mild decrease in average high-temperature, moving from a fresh 52°F (11.1°C) in November to a frosty 43.7°F (6.5°C). Sperryville cools down to an average low-temperature of 29.5°F (-1.4°C) throughout the month of December.

Humidity

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

Rainfall

In Sperryville, Virginia, during December, the rain falls for 7 days and regularly aggregates up to 0.75" (19mm) of precipitation. Throughout the year, there are 116.3 rainfall days, and 9.72" (247mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Sperryville, during December, snow falls for 2.4 days and regularly aggregates up to 0.51" (13mm) of snow. In Sperryville, during the entire year, snow falls for 15.9 days and aggregates up to 3.7" (94mm) 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 7:12 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:01 pm EST.

Sunshine

December has the least sunshine of the year, with an average of 4.9h of sunshine.

UV index

The months with the lowest UV index in Sperryville, Virginia, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

How cold does it get in Sperryville in December?

In December, in Sperryville, the average high-temperature is 43.7°F (6.5°C), and the average low-temperature is 29.5°F (-1.4°C). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 89.6°F (32°C).

What is the average humidity in December in Sperryville?

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

How many days does it rain in December in Sperryville?

In Sperryville, Virginia, during December, the rain falls for 7 days and regularly aggregates up to 0.75" (19mm) of precipitation.

How many days does it snow in December in Sperryville?

In Sperryville, in December, during 2.4 snowfall days, 0.51" (13mm) of snow is typically accumulated.

What is the month with the shortest days in Sperryville?

The month with the shortest days is December, with an average of 9h and 30min of daylight.

How many hours of daylight does Sperryville have in December?

In December, the average day length in Sperryville, Virginia, is 9h and 31min.

When are sunrise and sunset in December in Sperryville?

On the first day of December in Sperryville, Virginia, sunrise is at 7:12 am and sunset at 4:51 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:01 pm EST.

What is the month with the least sunshine in Sperryville?

December has the least sunshine of the year in Sperryville, with an average of 4.9h of sunshine.

How long on average sun shines in December in Sperryville?

The average sunshine duration in December in Sperryville, Virginia, is 4.9h.

What are the months with the lowest UV index in Sperryville?

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

What is the UV index reading in December in Sperryville?

The average daily maximum UV index in December in Sperryville is 2. A UV Index value of 2, and less, symbolizes a low health threat 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
Sperryville, VA

Average temperature in December - Sperryville, VA
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (38.8°F).

  • Average low temperature in December: 29.5°F

The month with the highest average low temperature is July (62.2°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in December
Sperryville, VA

Average pressure in December - Sperryville, VA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Sperryville, VA

Average wind speed in December - Sperryville, VA
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).

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Average humidity in December
Sperryville, VA

Average humidity in December - Sperryville, VA
  • Average humidity in December: 78%

The months with the highest relative humidity are September and October (79%).
The month with the lowest relative humidity is July (74%).

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Average rainfall in December
Sperryville, VA

Average rainfall in December - Sperryville, VA
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is August (1.18").
The driest month (with the least rainfall) is January (0.51").

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Average rainfall days in December
Sperryville, VA

Average rainfall days in December - Sperryville, VA
  • Average rainfall days in December: 7 days

The month with the highest number of rainy days is May (13.1 days).
The month with the least rainy days is January (6.3 days).

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Average snowfall in December
Sperryville, VA

Average snowfall in December - Sperryville, VA
  • Average snowfall in December: 0.51"

The month with the highest snowfall is March (0.91").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Sperryville, VA

Average snowfall days in December - Sperryville, VA
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is February (4.5 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
Sperryville, VA

Average daylight in December / Average sunshine in December - Sperryville, VA
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

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Average sunshine days in December
Sperryville, VA

Average sunshine days in December - Sperryville, VA
  • Average sunshine days in December: 21.4 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is May (14.4 days).

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Average UV index in December
Sperryville, VA

Average UV index in December - Sperryville, VA
  • Average UV index in December: 2

The months with the highest UV index are May, June and July (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
Sperryville, VA

Average cloud cover in December - Sperryville, VA
  • Average cloud cover in December: 47

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 33).

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Average visibility in December
Sperryville, VA

Average visibility in December - Sperryville, VA
  • Average visibility in December: 5mi

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

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Sperryville, Virginia, USA

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