December weather forecast
Lower Mill, TN

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Weather in December

December, the first month of the winter in Lower Mill, is also a fresh month, with an average temperature varying between 50.2°F (10.1°C) and 36.1°F (2.3°C).

Temperature

A modest decline in the average high-temperature is seen during December, decreasing from a refreshing 57.6°F (14.2°C) in November to a fresh 50.2°F (10.1°C). Lower Mill's December nights cool down to an average low-temperature of 36.1°F (2.3°C).

Humidity

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

Rainfall

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

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, in Lower Mill, there are 2.9 snowfall days, and 0.47" (12mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Lower Mill, 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, sunrise is at 7:49 am and sunset at 5:39 pm EST.

Sunshine

December has the least sunshine of the year, 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 value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
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Frequently asked questions

What are December temperatures in Lower Mill?

The average high-temperature and low-temperature in Lower Mill during December are 50.2°F (10.1°C) and 36.1°F (2.3°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'apparent 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 Lower Mill?

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

What is the average humidity in December in Lower Mill?

In Lower Mill, Tennessee, the average relative humidity in December is 80%.

What is the wettest month in Lower Mill?

The wettest months in Lower Mill are February and December, with an average 1.18" (30mm) of rainfall.

How much does it rain in Lower Mill in December?

In Lower Mill, Tennessee, in December, it is raining for 8.3 days, with typically 1.18" (30mm) of accumulated precipitation.

When does it start to snow in Lower Mill?

December is the first month it typically snows in Lower Mill. 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 Lower Mill?

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

What is the average length of the day in December in Lower Mill?

In December, the average day length is 9h and 50min.

What time are sunrise and sunset in December in Lower Mill?

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

What is the month with the least sunshine in Lower Mill?

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

How many hours of sunshine does Lower Mill have in December?

The average sunshine duration in December in Lower Mill is 5h.

When is the lowest UV index in Lower Mill?

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

What is the UV index intensity in December in Lower Mill?

The average daily maximum UV index in December in Lower Mill 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
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lower Mill, TN

Average temperature in December - Lower Mill, 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
Lower Mill, TN

Average pressure in December - Lower Mill, 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
Lower Mill, TN

Average wind speed in December - Lower Mill, 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
Lower Mill, TN

Average humidity in December - Lower Mill, 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
Lower Mill, TN

Average rainfall in December - Lower Mill, 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
Lower Mill, TN

Average rainfall days in December - Lower Mill, 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
Lower Mill, TN

Average snowfall in December - Lower Mill, 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
Lower Mill, TN

Average snowfall days in December - Lower Mill, 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
Lower Mill, TN

Average daylight in December / Average sunshine in December - Lower Mill, 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
Lower Mill, TN

Average sunshine days in December - Lower Mill, 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
Lower Mill, TN

Average UV index in December - Lower Mill, 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
Lower Mill, TN

Average cloud cover in December - Lower Mill, 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
Lower Mill, TN

Average visibility in December - Lower Mill, 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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Lower Mill, Tennessee, USA

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