December weather forecast
Sperryville, VA

Weather in December

The first month of the winter, December, is still a chilly month in Sperryville, Virginia, with temperature in the range of an average high of 43.7°F (6.5°C) and an average low of 29.5°F (-1.4°C).

Temperature

In December, the average high-temperature marginally drops from a cool 52°F (11.1°C) in November to a frosty 43.7°F (6.5°C). In December, in Sperryville, the average low-temperature is 29.5°F (-1.4°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In December, the rain falls for 7 days. Throughout December, 0.75" (19mm) of precipitation is accumulated. In Sperryville, during the entire year, the rain falls for 116.3 days and collects up to 9.72" (247mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Sperryville, Virginia. In Sperryville, in December, during 2.4 snowfall days, 0.51" (13mm) of snow is typically accumulated. In Sperryville, during the entire year, snow falls for 15.9 days and aggregates up to 3.7" (94mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 31min of daylight.
On the first day of the month, sunrise is at 7:11 am and sunset at 4:52 pm. On the last day of December, sunrise is at 7:30 am and sunset at 5:01 pm EST.

Sunshine

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

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Sperryville?

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

How much does it rain in Sperryville in December?

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 December, in Sperryville, Virginia, it is snowing for 2.4 days. Throughout December, 0.51" (13mm) of snow is accumulated.

What is the month with the shortest days in Sperryville?

December has the shortest days of the year, with an average of 9h and 31min of daylight.

How many hours of daylight does Sperryville have in December?

The average day length in December in Sperryville is 9h and 31min.

When is the sunrise / sunset in December in Sperryville?

In December, on the first day of the month, sunrise is at 7:11 am and sunset at 4:52 pm. On the last day of the month, in Sperryville, Virginia, 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, Virginia, with an average of 4.9h of sunshine.

How long on average sun shines in December in Sperryville?

In December, the average sunshine duration is 4.9h.

What is the month with the lowest UV index in Sperryville?

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

What is the UV index intensity in December in Sperryville?

In Sperryville, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
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 31min

The month with the longest days is June (Average daylight: 14h and 50min).
The month with the shortest days is December (Average daylight: 9h and 31min).

  • Average sunshine in December: 4h and 54min

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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