December weather forecast
Oak Ridge, NC

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Weather in December

The first month of the winter, December, is also a frosty month in Oak Ridge, North Carolina, with temperature in the range of an average high of 49.6°F (9.8°C) and an average low of 35.6°F (2°C).

Temperature

With the commencement of December, Oak Ridge records a moderate temperature decline, with the average high easing from November's mild 56.8°F (13.8°C) to a chilly 49.6°F (9.8°C). The temperature dips to an average of 35.6°F (2°C) during December nights.

Humidity

The months with the highest humidity are May and December, with an average relative humidity of 75%.

Rainfall

In Oak Ridge, in December, it is raining for 11.1 days, with typically 2.87" (73mm) of accumulated precipitation. Throughout the year, there are 156 rainfall days, and 30.08" (764mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Oak Ridge. December is the month with the most snowfall in Oak Ridge. Snow falls for 1.3 days and accumulates 2.2" (56mm) of snow.

Daylight

The month with the shortest days in Oak Ridge, North Carolina, is December, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:13 am and sunset at 5:05 pm. On the last day of December, in Oak Ridge, sunrise is at 7:30 am and sunset at 5:15 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 estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 2 during December translates into these guidelines:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Updated: Feb 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature in Oak Ridge?

During December, Oak Ridge experiences an average high-temperature of 49.6°F (9.8°C) and a low-temperature of 35.6°F (2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is computed to be 86°F (30°C).

What is the most humid month in Oak Ridge?

The months with the highest humidity in Oak Ridge are May and December, with an average relative humidity of 75%.

What is the average humidity in December in Oak Ridge?

In December, the average relative humidity is 75%.

How many days does it rain in December in Oak Ridge?

In December, in Oak Ridge, the rain falls for 11.1 days. Throughout December, 2.87" (73mm) of precipitation is accumulated.

When does it snow the most in Oak Ridge?

The month with the most snowfall in Oak Ridge, North Carolina, is December, when snow falls for 1.3 days and typically aggregates up to 2.2" (56mm) of snow.

How many days does it snow in December in Oak Ridge?

In Oak Ridge, in December, snow falls for 1.3 days, with typically accumulated 2.2" (56mm) of snow.

What is the month with the shortest days in Oak Ridge?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Oak Ridge, North Carolina.

How many hours of daylight does Oak Ridge have in December?

In Oak Ridge, North Carolina, the average day length in December is 9h and 45min.

What time are sunrise and sunset in December in Oak Ridge?

On the first day of December in Oak Ridge, sunrise is at 7:13 am and sunset at 5:05 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 5:15 pm EST.

What is the month with the least sunshine in Oak Ridge?

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

How long on average sun shines in December in Oak Ridge?

In December, the average sunshine duration in Oak Ridge is 5.5h.

What are the months with the lowest UV index in Oak Ridge?

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

What is the UV index intensity in December in Oak Ridge?

In Oak Ridge, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Oak Ridge, NC

Average temperature in December - Oak Ridge, NC
  • Average high temperature in December: 49.6°F

The warmest month (with the highest average high temperature) is July (89.8°F).
The month with the lowest average high temperature is January (45.5°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (67.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Oak Ridge, NC

Average pressure in December - Oak Ridge, 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 (29.98"Hg).

Average wind speed in December
Oak Ridge, NC

Average wind speed in December - Oak Ridge, NC
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Oak Ridge, NC

Average humidity in December - Oak Ridge, NC
  • Average humidity in December: 75%

The months with the highest relative humidity are May and December (75%).
The month with the lowest relative humidity is July (69%).

Average rainfall in December
Oak Ridge, NC

Average rainfall in December - Oak Ridge, NC
  • Average rainfall in December: 2.87"

The wettest month (with the highest rainfall) is May (3.15").
The driest month (with the least rainfall) is October (2.01").

Average rainfall days in December
Oak Ridge, NC

Average rainfall days in December - Oak Ridge, NC
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is November (9 days).

Average snowfall in December
Oak Ridge, NC

Average snowfall in December - Oak Ridge, NC
  • Average snowfall in December: 2.2"

The month with the highest snowfall is December (2.2").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Oak Ridge, NC

Average snowfall days in December - Oak Ridge, NC
  • Average snowfall days in December: 1.3 days

The month with the highest number of snowfall days is February (2.8 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
Oak Ridge, NC

Average daylight in December / Average sunshine in December - Oak Ridge, NC
  • 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 month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 30min).

Average sunshine days in December
Oak Ridge, NC

Average sunshine days in December - Oak Ridge, NC
  • Average sunshine days in December: 18.7 days

The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is May (12.1 days).

Average UV index in December
Oak Ridge, NC

Average UV index in December - Oak Ridge, NC
  • 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, February and December (UV index 2).

Average cloud cover in December
Oak Ridge, NC

Average cloud cover in December - Oak Ridge, NC
  • Average cloud cover in December: 41

The month with the most cloud cover is February (Cloud cover 43).
The months with the least cloud cover are June and July (Cloud cover 30).

Average visibility in December
Oak Ridge, NC

Average visibility in December - Oak Ridge, NC
  • Average visibility in December: 6mi

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

Oak Ridge, North Carolina, USA

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