December weather forecast
Corryton, TN

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Weather in December

December, the first month of the winter in Corryton, is still a chilly month, with an average temperature varying between 34.5°F (1.4°C) and 48.2°F (9°C).

Temperature

December witnesses a gentle descent in average high-temperature, descending from November's mild 56.3°F (13.5°C) to a frosty 48.2°F (9°C). Throughout December, the nighttime temperature averages to an icy 34.5°F (1.4°C).

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 79%.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 2.56" (65mm) of precipitation is accumulated. In Corryton, during the entire year, the rain falls for 154.8 days and collects up to 26.81" (681mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Corryton, in December, during 2.1 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Corryton, during the entire year, snow falls for 12.6 days and aggregates up to 3.7" (94mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 7:28 am and sunset at 5:20 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:30 pm EST.

Sunshine

In December, the average sunshine is 5.2h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

During December, Corryton experiences an average high-temperature of 48.2°F (9°C) and a low-temperature of 34.5°F (1.4°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in September is calculated to be 84.2°F (29°C).

What is the most humid month?

February and December, with an average relative humidity of 79%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 79%.

How much does it rain in Corryton in December?

In Corryton, in December, during 11.8 rainfall days, 2.56" (65mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Corryton, in December, snow falls for 2.1 days, with typically accumulated 0.43" (11mm) 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 in Corryton?

The average day length in December is 9h and 45min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:28 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:30 pm EST.

How many hours of sunshine does Corryton have in December?

In December, the average sunshine duration is 5.2h.

What are the months with the lowest UV index?

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

What is the UV index reading in December?

In Corryton, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat from unprotected exposure to 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
Corryton, TN

Average temperature in December - Corryton, TN
  • Average high temperature in December: 48.2°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in December: 34.5°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).

Average pressure in December
Corryton, TN

Average pressure in December - Corryton, TN
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

Average wind speed in December
Corryton, TN

Average wind speed in December - Corryton, TN
  • Average wind speed in December: 5.1mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in December
Corryton, TN

Average humidity in December - Corryton, TN
  • Average humidity in December: 79%

The months with the highest relative humidity are February and December (79%).
The month with the lowest relative humidity is August (73%).

Average rainfall in December
Corryton, TN

Average rainfall in December - Corryton, TN
  • Average rainfall in December: 2.56"

The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.42").

Average rainfall days in December
Corryton, TN

Average rainfall days in December - Corryton, TN
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (16.8 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Corryton, TN

Average snowfall in December - Corryton, TN
  • Average snowfall in December: 0.43"

The month with the highest snowfall is February (1.42").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Corryton, TN

Average snowfall days in December - Corryton, TN
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is February (3.6 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
Corryton, TN

Average daylight in December / Average sunshine in December - Corryton, TN
  • 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).

Average sunshine days in December
Corryton, TN

Average sunshine days in December - Corryton, TN
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in December
Corryton, TN

Average UV index in December - Corryton, TN
  • 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
Corryton, TN

Average cloud cover in December - Corryton, TN
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and August (Cloud cover 27).

Average visibility in December
Corryton, TN

Average visibility in December - Corryton, TN
  • Average visibility in December: 6mi

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

Corryton, Tennessee, USA

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