December weather forecast
Palmer Crossroads, VA

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Weather in December

The first month of the winter, December, is still a cool month in Palmer Crossroads, Virginia, with temperature in the range of an average low of 36.5°F (2.5°C) and an average high of 50.9°F (10.5°C).

Temperature

A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a moderate 57.9°F (14.4°C) to a cool 50.9°F (10.5°C). During December, the nighttime temperature averages of 36.5°F (2.5°C).

Humidity

The most humid month is December, with an average relative humidity of 78%.

Rainfall

In Palmer Crossroads, in December, it is raining for 10.3 days, with typically 1.73" (44mm) of accumulated precipitation. In Palmer Crossroads, during the entire year, the rain falls for 144.4 days and collects up to 21.3" (541mm) of precipitation.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 0.71" (18mm) of snow. In Palmer Crossroads, during the entire year, snow falls for 6.3 days and aggregates up to 3.74" (95mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 7:06 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:07 pm EST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What are the temperatures in December?

The high-temperature during December is 50.9°F (10.5°C) and the low-temperature is 36.5°F (2.5°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is evaluated at 86°F (30°C).

What is the most humid month?

With an average relative humidity of 78%, December is the most humid month.

What is the average humidity in December?

In December, the average relative humidity is 78%.

How much does it rain in December?

In December, the rain falls for 10.3 days. Throughout December, 1.73" (44mm) of precipitation is accumulated.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.8 snowfall days, it receives 0.71" (18mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 43min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:06 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:24 am and sunset at 5:07 pm EST.

What is the month with the least sunshine?

The months with the least sunshine are January and December, with an average of 5.5h of sunshine.

How long on average sun shines in December?

In Palmer Crossroads, the average sunshine duration in December is 5.5h.

What are the months with the lowest UV index?

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

What is the UV index intensity in December?

In Palmer Crossroads, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Palmer Crossroads, VA

Average temperature in December - Palmer Crossroads, VA
  • Average high temperature in December: 50.9°F

The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Palmer Crossroads, VA

Average pressure in December - Palmer Crossroads, VA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Palmer Crossroads, VA

Average wind speed in December - Palmer Crossroads, VA
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (7.7mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December
Palmer Crossroads, VA

Average humidity in December - Palmer Crossroads, VA
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is July (71%).

Average rainfall in December
Palmer Crossroads, VA

Average rainfall in December - Palmer Crossroads, VA
  • Average rainfall in December: 1.73"

The wettest month (with the highest rainfall) is May (2.13").
The driest month (with the least rainfall) is September (1.3").

Average rainfall days in December
Palmer Crossroads, VA

Average rainfall days in December - Palmer Crossroads, VA
  • Average rainfall days in December: 10.3 days

The month with the highest number of rainy days is July (16.7 days).
The month with the least rainy days is October (8.3 days).

Average snowfall in December
Palmer Crossroads, VA

Average snowfall in December - Palmer Crossroads, VA
  • Average snowfall in December: 0.71"

The month with the highest snowfall is January (1.5").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Palmer Crossroads, VA

Average snowfall days in December - Palmer Crossroads, VA
  • Average snowfall days in December: 0.8 days

The month with the highest number of snowfall days is February (2.5 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
Palmer Crossroads, VA

Average daylight in December / Average sunshine in December - Palmer Crossroads, VA
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 30min).

Average sunshine days in December
Palmer Crossroads, VA

Average sunshine days in December - Palmer Crossroads, VA
  • Average sunshine days in December: 19.6 days

The month with the most sunshine days is October (21.4 days).
The month with the least sunshine days is July (12 days).

Average UV index in December
Palmer Crossroads, VA

Average UV index in December - Palmer Crossroads, 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 and December (UV index 2).

Average cloud cover in December
Palmer Crossroads, VA

Average cloud cover in December - Palmer Crossroads, VA
  • Average cloud cover in December: 42

The months with the most cloud cover are February and March (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 31).

Average visibility in December
Palmer Crossroads, VA

Average visibility in December - Palmer Crossroads, VA
  • Average visibility in December: 6mi

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

Palmer Crossroads, Virginia, USA

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