December weather forecastBiltmore Forest, NC

December

Weather in December

The first month of the winter, December, is still a chilly month in Biltmore Forest, North Carolina, with an average temperature fluctuating between 33.8°F (1°C) and 48.4°F (9.1°C).

Temperature

Biltmore Forest experiences a moderate temperature shift at the start of December, with average high-temperatures adjusting a bit from a moderate 55.8°F (13.2°C) in November to a frosty 48.4°F (9.1°C). During December nights, Biltmore Forest witnesses a consistent average temperature of 33.8°F (1°C).

Humidity

The months with the highest humidity are May, September and December, with an average relative humidity of 78%.

Rainfall

The month with the most rainfall is December, when the rain falls for 8.4 days and typically aggregates up to 1.65" (42mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. December is the month with the most snowfall. Snow falls for 1.4 days and accumulates 1.3" (33mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:21 am and sunset at 5:17 pm. On the last day of December, sunrise is at 7:39 am and sunset at 5:27 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.5h of sunshine.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Despite most people tolerating extended sun exposure, it is critical to always protect those with sensitive skin, infants, and children. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Wearing a wide-brim hat can block approximately 50% of UV radiation, protecting the eyes. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Aug 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, the average high-temperature and low-temperature are 48.4°F (9.1°C) and 33.8°F (1°C) respectively. In August, the average heat index (a.k.a. 'feels like', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is computed to be 89.6°F (32°C).

The months with the highest humidity are May, September and December, with an average relative humidity of 78%.

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

December is the month with the most rainfall. Rain falls for 8.4 days and accumulates 1.65" (42mm) of precipitation.

In Biltmore Forest, in December, it is raining for 8.4 days, with typically 1.65" (42mm) of accumulated precipitation.

December is the month with the most snowfall. Snow falls for 1.4 days and accumulates 1.3" (33mm) of snow.

In Biltmore Forest, in December, snow falls for 1.4 days, with typically accumulated 1.3" (33mm) of snow.

With an average of 9h and 48min of daylight, December has the shortest days of the year.

In December, the average day length is 9h and 48min.

On the first day of December, sunrise is at 7:21 am and sunset at 5:17 pm. On the last day of the month, sunrise is at 7:39 am and sunset at 5:27 pm EST.

December has the least sunshine of the year, with an average of 5.5h of sunshine.

In Biltmore Forest, the average sunshine duration in December is 5.5h.

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

The average daily maximum UV index in December in Biltmore Forest is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Biltmore Forest, NC

  • Average high temperature in December: 48.4°F

The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (44.2°F).

  • Average low temperature in December: 33.8°F

The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (28°F).

Average pressure in December
Biltmore Forest, NC

  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

Average wind speed in December
Biltmore Forest, NC

  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is January (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.5mph).

Average humidity in December
Biltmore Forest, NC

  • Average humidity in December: 78%

The months with the highest relative humidity are May, September and December (78%).
The months with the lowest relative humidity are January and November (74%).

Average rainfall in December
Biltmore Forest, NC

  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is December (1.65").
The driest month (with the least rainfall) is September (0.91").

Average rainfall days in December
Biltmore Forest, NC

  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is July (15 days).
The month with the least rainy days is November (6.8 days).

Average snowfall in December
Biltmore Forest, NC

  • Average snowfall in December: 1.3"

The month with the highest snowfall is December (1.3").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Biltmore Forest, NC

  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (2.5 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Biltmore Forest, NC

  • Average daylight in December: 9h and 48min

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

  • Average sunshine in December: 5h and 30min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
Biltmore Forest, NC

  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is October (21.9 days).
The month with the least sunshine days is July (12.6 days).

Average UV index in December
Biltmore Forest, NC

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Biltmore Forest, NC

  • Average cloud cover in December: 43

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

Average visibility in December
Biltmore Forest, NC

  • Average visibility in December: 5mi

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