December weather forecast
McDowell, VA

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Weather in December

The first month of the winter, December, is also a frosty month in McDowell, Virginia, with an average temperature fluctuating between 29.7°F (-1.3°C) and 43.9°F (6.6°C).

Temperature

The arrival of December suggests a slight decrease in the average high-temperature, moving from a fresh 52.3°F (11.3°C) in November to a chilly 43.9°F (6.6°C). During the month of December, the temperature generally drops to a low average of 29.7°F (-1.3°C).

Humidity

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

Rainfall

In McDowell, Virginia, during December, the rain falls for 8.6 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, in McDowell, there are 144.6 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

Snowfall

Months with snowfall in McDowell are January through May, October through December. In McDowell, during December, snow falls for 2.7 days and regularly aggregates up to 2.09" (53mm) of snow. In McDowell, during the entire year, snow falls for 17.7 days and aggregates up to 14.41" (366mm) of snow.

Daylight

December has the shortest days of the year in McDowell, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:16 am and sunset at 4:57 pm. On the last day of December, in McDowell, sunrise is at 7:34 am and sunset at 5:07 pm EST.

Sunshine

With an average of 5.2h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in McDowell 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 the ordinary person.
Note: The maximum UV index of 2 during December translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Enhance your sun protection with tightly woven, yet airy clothing. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
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Frequently asked questions

Is December cold in McDowell?

In McDowell, in December, the average high-temperature is 43.9°F (6.6°C), and the average low-temperature is 29.7°F (-1.3°C). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which takes the relative humidity and factors it into the air temperature reading, in August is computed to be 86°F (30°C).

What is the average humidity in December in McDowell?

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

How much does it rain in McDowell in December?

In McDowell, Virginia, in December, it is raining for 8.6 days, with typically 1.85" (47mm) of accumulated precipitation.

How many days does it snow in December in McDowell?

In McDowell, Virginia, in December, snow falls for 2.7 days, with typically accumulated 2.09" (53mm) of snow.

What is the month with the shortest days in McDowell?

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

What is the average length of the day in December in McDowell?

The average day length in December in McDowell is 9h and 33min.

When are sunrise and sunset in December in McDowell?

In December, on the first day of the month, sunrise is at 7:16 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 5:07 pm EST.

What is the month with the least sunshine in McDowell?

December has the least sunshine of the year in McDowell, with an average of 5.2h of sunshine.

How long on average sun shines in December in McDowell?

The average sunshine duration in December is 5.2h.

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

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

What is the UV index intensity in December in McDowell?

The average daily maximum UV index in December in McDowell is 2. A UV Index estimate of 2, and below, represents 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
McDowell, VA

Average temperature in December - McDowell, VA
  • Average high temperature in December: 43.9°F

The warmest month (with the highest average high temperature) is July (83.1°F).
The month with the lowest average high temperature is January (39°F).

  • Average low temperature in December: 29.7°F

The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

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Average pressure in December
McDowell, VA

Average pressure in December - McDowell, VA
  • Average pressure in December: 30.12"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).

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Average wind speed in December
McDowell, VA

Average wind speed in December - McDowell, VA
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
McDowell, VA

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

The month with the highest relative humidity is September (79%).
The month with the lowest relative humidity is January (74%).

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Average rainfall in December
McDowell, VA

Average rainfall in December - McDowell, VA
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is May (2.8").
The driest month (with the least rainfall) is January (1.18").

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Average rainfall days in December
McDowell, VA

Average rainfall days in December - McDowell, VA
  • Average rainfall days in December: 8.6 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (7.5 days).

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Average snowfall in December
McDowell, VA

Average snowfall in December - McDowell, VA
  • Average snowfall in December: 2.09"

The month with the highest snowfall is March (4.25").
The months with the least snowfall are June, July, August and September (0").

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Average snowfall days in December
McDowell, VA

Average snowfall days in December - McDowell, VA
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is February (5.4 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
McDowell, VA

Average daylight in December / Average sunshine in December - McDowell, 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: 5h and 1min

The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 12min).

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Average sunshine days in December
McDowell, VA

Average sunshine days in December - McDowell, VA
  • Average sunshine days in December: 20.3 days

The month with the most sunshine days is November (21.3 days).
The month with the least sunshine days is May (11.3 days).

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Average UV index in December
McDowell, VA

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

The months with the highest UV index are 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
McDowell, VA

Average cloud cover in December - McDowell, VA
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 45).
The months with the least cloud cover are June and July (Cloud cover 32).

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Average visibility in December
McDowell, VA

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

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

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McDowell, Virginia, USA

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