December weather forecast
McDowell, VA

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Weather in December

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

Temperature

McDowell in December undergoes a slight reduction in the average high-temperature, shifting from November's fresh 52.3°F (11.3°C) to a frosty 43.9°F (6.6°C). The nights of December anticipate an average low-temperature of 29.7°F (-1.3°C).

Humidity

The average relative humidity in December in McDowell is 78%.

Rainfall

In McDowell, in December, during 8.6 rainfall days, 1.85" (47mm) of precipitation is typically accumulated. Throughout the year, there are 144.6 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through May, October through December. In December, in McDowell, it is snowing for 2.7 days. Throughout December, 2.09" (53mm) of snow is accumulated. In McDowell, during the entire year, snow falls for 17.7 days and aggregates up to 14.41" (366mm) 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 the month, sunrise is at 7:16 am and sunset at 4:57 pm. On the last day of December, sunrise is at 7:34 am and sunset at 5:07 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.2h of sunshine.

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 of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, a regular UV index of 2 translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Jul 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

Is it cold during December?

The high-temperature in McDowell during December is 43.9°F (6.6°C) and the low-temperature is 29.7°F (-1.3°C). In August, the average heat index (a.k.a. 'felt air temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the average humidity in December in McDowell?

In December, the average relative humidity is 78%.

How many days does it rain in December?

In December, the rain falls for 8.6 days. Throughout December, 1.85" (47mm) of precipitation is accumulated.

How many days does it snow in December?

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?

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

What is the average length of the day in December?

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

What time are sunrise and sunset in December?

On the first day of December, 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?

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

How long on average sun shines in December in McDowell?

In December, the average sunshine duration is 5.2h.

When is the lowest UV index?

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 reading in December?

In McDowell, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
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).

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).

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).

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%).

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").

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).

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").

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).

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).

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).

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).

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).

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).

McDowell, Virginia, USA

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