December weather forecast
Collegedale, TN

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Weather in December

The first month of the winter, December, is also a fresh month in Collegedale, Tennessee, with an average temperature varying between 36.5°F (2.5°C) and 50.7°F (10.4°C).

Temperature

December signals a slight drop in average high-temperature, sliding from November's refreshing 58.6°F (14.8°C) to a cool 50.7°F (10.4°C). An average low-temperature of 36.5°F (2.5°C) marks the month of December in Collegedale.

Humidity

With an average relative humidity of 80%, December is the most humid month.

Rainfall

In Collegedale, in December, during 12.5 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. In Collegedale, Tennessee, during the entire year, the rain falls for 156.7 days and collects up to 34.02" (864mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Collegedale, during December, snow falls for 1.1 days and regularly aggregates up to 0.31" (8mm) of snow. In Collegedale, Tennessee, during the entire year, snow falls for 6.6 days and aggregates up to 2.17" (55mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Collegedale.
On the first day of December, sunrise is at 7:30 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:38 pm EST.

Sunshine

With an average of 5h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
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Frequently asked questions

What is the temperature in December in Collegedale?

During December, Collegedale experiences an average high-temperature of 50.7°F (10.4°C) and a low-temperature of 36.5°F (2.5°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is appraised at 89.6°F (32°C).

What is the most humid month in Collegedale?

The most humid month in Collegedale is December, with an average relative humidity of 80%.

What is the average humidity in December in Collegedale?

In December, the average relative humidity is 80%.

How many days does it rain in December in Collegedale?

In December, the rain falls for 12.5 days. Throughout December, 3.58" (91mm) of precipitation is accumulated.

How many days does it snow in December in Collegedale?

In Collegedale, Tennessee, in December, during 1.1 snowfall days, 0.31" (8mm) of snow is typically accumulated.

What is the month with the shortest days in Collegedale?

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

How many hours of daylight does Collegedale have in December?

In December, the average day length is 9h and 51min.

When are sunrise and sunset in December in Collegedale?

On the first day of December in Collegedale, sunrise is at 7:30 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:38 pm EST.

What is the month with the least sunshine in Collegedale?

The month with the least sunshine in Collegedale, Tennessee, is December, with an average of 5h of sunshine.

How long on average sun shines in December in Collegedale?

In Collegedale, Tennessee, the average sunshine duration in December is 5h.

When is the lowest UV index in Collegedale?

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

How high is the UV index in December in Collegedale?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal hazard to health from 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
Collegedale, TN

Average temperature in December - Collegedale, TN
  • Average high temperature in December: 50.7°F

The warmest month (with the highest average high temperature) is July (88.9°F).
The month with the lowest average high temperature is January (46.8°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (31.5°F).

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Average pressure in December
Collegedale, TN

Average pressure in December - Collegedale, TN
  • Average pressure in December: 30.15"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).

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Average wind speed in December
Collegedale, TN

Average wind speed in December - Collegedale, TN
  • Average wind speed in December: 6.1mph

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in December
Collegedale, TN

Average humidity in December - Collegedale, TN
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, August and October (74%).

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Average rainfall in December
Collegedale, TN

Average rainfall in December - Collegedale, TN
  • Average rainfall in December: 3.58"

The wettest month (with the highest rainfall) is February (3.62").
The driest month (with the least rainfall) is September (2.05").

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Average rainfall days in December
Collegedale, TN

Average rainfall days in December - Collegedale, TN
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (17.1 days).
The month with the least rainy days is November (8.5 days).

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Average snowfall in December
Collegedale, TN

Average snowfall in December - Collegedale, TN
  • Average snowfall in December: 0.31"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Collegedale, TN

Average snowfall days in December - Collegedale, TN
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Collegedale, TN

Average daylight in December / Average sunshine in December - Collegedale, TN
  • Average daylight in December: 9h and 5min

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 0min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in December
Collegedale, TN

Average sunshine days in December - Collegedale, TN
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in December
Collegedale, TN

Average UV index in December - Collegedale, 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 and December (UV index 2).

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Average cloud cover in December
Collegedale, TN

Average cloud cover in December - Collegedale, TN
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in December
Collegedale, TN

Average visibility in December - Collegedale, TN
  • Average visibility in December: 5mi

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

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Collegedale, Tennessee, USA

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