December weather forecast
Idlewild, TN

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Weather in December

December, the first month of the winter in Idlewild, is still a chilly month, with an average temperature varying between 48.7°F (9.3°C) and 36.1°F (2.3°C).

Temperature

December signifies a gentle decline in Idlewild's average high-temperature, easing from a mild 57.6°F (14.2°C) in November to a chilly 48.7°F (9.3°C). In the month of December, Idlewild records a consistent average low-temperature of 36.1°F (2.3°C).

Humidity

The average relative humidity in December is 79%.

Rainfall

In December, in Idlewild, the rain falls for 12.7 days. Throughout December, 3.62" (92mm) of precipitation is accumulated. In Idlewild, Tennessee, during the entire year, the rain falls for 162.4 days and collects up to 38.35" (974mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Idlewild. In Idlewild, in December, during 1.2 snowfall days, 0.63" (16mm) of snow is typically accumulated. Throughout the year, in Idlewild, Tennessee, there are 7.9 snowfall days, and 3.9" (99mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 6:47 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 4:51 pm CST.

Sunshine

The average sunshine in December is 4.8h.

UV index

The months with the lowest UV index are February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 during December translates into the following directions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Boost your sun resistance with garments that are densely woven yet spacious. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are December temperatures in Idlewild?

The average high-temperature, in December, in Idlewild, is 48.7°F (9.3°C), while the average low-temperature is 36.1°F (2.3°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is appraised at 87.8°F (31°C).

What is the average humidity in December in Idlewild?

In Idlewild, the average relative humidity in December is 79%.

How much does it rain in Idlewild in December?

In Idlewild, Tennessee, during December, the rain falls for 12.7 days and regularly aggregates up to 3.62" (92mm) of precipitation.

How many days does it snow in December in Idlewild?

In Idlewild, during December, snow falls for 1.2 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the month with the shortest days in Idlewild?

The month with the shortest days in Idlewild, Tennessee, is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Idlewild have in December?

In December, the average day length in Idlewild, Tennessee, is 9h and 46min.

When is the sunrise / sunset in December in Idlewild?

In December, on the first day of the month, sunrise is at 6:47 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 4:51 pm CST.

How many hours of sunshine does Idlewild have in December?

In December, the average sunshine duration in Idlewild, Tennessee, is 4.8h.

What is the month with the lowest UV index in Idlewild?

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

What is the UV index intensity in December in Idlewild?

In Idlewild, Tennessee, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Idlewild, TN

Average temperature in December - Idlewild, TN
  • Average high temperature in December: 48.7°F

The warmest month (with the highest average high temperature) is July (87.6°F).
The month with the lowest average high temperature is January (44.6°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (31.1°F).

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Average pressure in December
Idlewild, TN

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

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

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Average wind speed in December
Idlewild, TN

Average wind speed in December - Idlewild, TN
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is February (9mph).
The calmest month (with the lowest average wind speed) is July (5.3mph).

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Average humidity in December
Idlewild, TN

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

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Idlewild, TN

Average rainfall in December - Idlewild, TN
  • Average rainfall in December: 3.62"

The wettest month (with the highest rainfall) is February (4.13").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in December
Idlewild, TN

Average rainfall days in December - Idlewild, TN
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (10 days).

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Average snowfall in December
Idlewild, TN

Average snowfall in December - Idlewild, TN
  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (1.1").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Idlewild, TN

Average snowfall days in December - Idlewild, TN
  • Average snowfall days in December: 1.2 days

The month with the highest number of snowfall days is January (2.8 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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

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

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 48min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Idlewild, TN

Average sunshine days in December - Idlewild, TN
  • Average sunshine days in December: 16.1 days

The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (12.6 days).

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Average UV index in December
Idlewild, TN

Average UV index in December - Idlewild, TN
  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are February and December (UV index 2).

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Average cloud cover in December
Idlewild, TN

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

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 26).

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Average visibility in December
Idlewild, TN

Average visibility in December - Idlewild, TN
  • 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).

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Idlewild, Tennessee, USA

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