December weather forecast
Middle Valley, TN

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Weather in December

The first month of the winter, December, is still a cool month in Middle Valley, Tennessee, with an average temperature fluctuating between 36.1°F (2.3°C) and 50.2°F (10.1°C).

Temperature

December is marked by a subtle drop in average high-temperatures, transitioning from a refreshing 57.6°F (14.2°C) in November to a cool 50.2°F (10.1°C). The average nighttime temperature lowers to a cold 36.1°F (2.3°C) throughout December.

Humidity

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

Rainfall

The months with the most rainfall are February and December, with an average 1.18" (30mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows in Middle Valley. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. In Middle Valley, during the entire year, snow falls for 2.9 days and aggregates up to 0.47" (12mm) of snow.

Daylight

December has the shortest days of the year in Middle Valley, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:31 am and sunset at 5:28 pm. On the last day of December, in Middle Valley, sunrise is at 7:49 am and sunset at 5:39 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 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 of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Frequently asked questions

What is the usual temperature for Middle Valley in December?

The average high-temperature, in December, in Middle Valley, is 50.2°F (10.1°C), while the average low-temperature is 36.1°F (2.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in September is estimated at 86°F (30°C).

What is the most humid month in Middle Valley?

December is the most humid month in Middle Valley, with an average relative humidity of 80%.

What is the average humidity in December in Middle Valley?

In December, the average relative humidity is 80%.

What is the wettest month in Middle Valley?

The months with the most rainfall in Middle Valley, Tennessee, are February and December, with an average 1.18" (30mm) of precipitation.

How many days does it rain in December in Middle Valley?

In Middle Valley, Tennessee, in December, during 8.3 rainfall days, 1.18" (30mm) of precipitation is typically accumulated.

When does it start to snow in Middle Valley?

December is the first month it typically snows in Middle Valley. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Middle Valley?

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

What is the average length of the day in December in Middle Valley?

In December, the average day length in Middle Valley, Tennessee, is 9h and 50min.

When is the sunrise / sunset in December in Middle Valley?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:28 pm. On the last day of the month, in Middle Valley, Tennessee, sunrise is at 7:49 am and sunset at 5:39 pm EST.

What is the month with the least sunshine in Middle Valley?

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

How many hours of sunshine does Middle Valley have in December?

The average sunshine duration in December in Middle Valley is 5h.

What is the month with the lowest UV index in Middle Valley?

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

How high is the UV index in December in Middle Valley?

In Middle Valley, Tennessee, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Middle Valley, TN

Average temperature in December - Middle Valley, TN
  • Average high temperature in December: 50.2°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 (46°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in December
Middle Valley, TN

Average pressure in December - Middle Valley, TN
  • Average pressure in December: 30.15"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in December
Middle Valley, TN

Average wind speed in December - Middle Valley, TN
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in December
Middle Valley, TN

Average humidity in December - Middle Valley, 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, October and November (75%).

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Average rainfall in December
Middle Valley, TN

Average rainfall in December - Middle Valley, TN
  • Average rainfall in December: 1.18"

The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").

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Average rainfall days in December
Middle Valley, TN

Average rainfall days in December - Middle Valley, TN
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).

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Average snowfall in December
Middle Valley, TN

Average snowfall in December - Middle Valley, TN
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Middle Valley, TN

Average snowfall days in December - Middle Valley, TN
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.3 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
Middle Valley, TN

Average daylight in December / Average sunshine in December - Middle Valley, 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 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

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Average sunshine days in December
Middle Valley, TN

Average sunshine days in December - Middle Valley, TN
  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).

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Average UV index in December
Middle Valley, TN

Average UV index in December - Middle Valley, 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).

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Average cloud cover in December
Middle Valley, TN

Average cloud cover in December - Middle Valley, TN
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in December
Middle Valley, TN

Average visibility in December - Middle Valley, TN
  • Average visibility in December: 5mi

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

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Middle Valley, Tennessee, USA

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