December weather forecast
Mill Brook, TN

englishespañol中文
Share

Weather in December

December, the first month of the winter in Mill Brook, is still a chilly month, with an average temperature ranging between max 46.9°F (8.3°C) and min 32.5°F (0.3°C).

Temperature

Mill Brook's December weather features a light decline in high-temperatures, reducing from a fresh 54.5°F (12.5°C) in November to a frosty 46.9°F (8.3°C). Throughout the month of December, Mill Brook witnesses an average low-temperature of 32.5°F (0.3°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 12.7 days. Throughout December, 3.07" (78mm) of precipitation is accumulated. In Mill Brook, during the entire year, the rain falls for 175.9 days and collects up to 31.93" (811mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. The month with the most snowfall in Mill Brook, Tennessee, is December, when snow falls for 5.9 days and typically aggregates up to 3.74" (95mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year in Mill Brook.
On the first day of the month, sunrise is at 7:23 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:26 pm EST.

Sunshine

In December, the average sunshine is 5.4h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the UV index of 2 transforms into the following advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
[Resources]

Frequently asked questions

What is the usual temperature for Mill Brook in December?

In Mill Brook, 46.9°F (8.3°C) is the average high-temperature and 32.5°F (0.3°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is appraised at 89.6°F (32°C).

What is the most humid month in Mill Brook?

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

What is the average humidity in December in Mill Brook?

In Mill Brook, Tennessee, the average relative humidity in December is 79%.

How much does it rain in Mill Brook in December?

In Mill Brook, Tennessee, in December, it is raining for 12.7 days, with typically 3.07" (78mm) of accumulated precipitation.

When does it snow the most in Mill Brook?

The month with the most snowfall in Mill Brook, Tennessee, is December, when snow falls for 5.9 days and typically aggregates up to 3.74" (95mm) of snow.

How much does it snow in Mill Brook in December?

In Mill Brook, Tennessee, in December, during 5.9 snowfall days, 3.74" (95mm) of snow is typically accumulated.

What is the month with the shortest days in Mill Brook?

December has the shortest days of the year in Mill Brook, with an average of 9h and 42min of daylight.

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

The average day length in December in Mill Brook is 9h and 44min.

When are sunrise and sunset in December in Mill Brook?

On the first day of December in Mill Brook, sunrise is at 7:23 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:41 am and sunset at 5:26 pm EST.

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

In Mill Brook, Tennessee, the average sunshine duration in December is 5.4h.

When is the lowest UV index in Mill Brook?

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

What is the UV index reading in December in Mill Brook?

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 days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Mill Brook, TN

Average temperature in December - Mill Brook, TN
  • Average high temperature in December: 46.9°F

The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (41.7°F).

  • Average low temperature in December: 32.5°F

The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (26.6°F).

[Resources]

Average pressure in December
Mill Brook, TN

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

The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.99"Hg).

[Resources]

Average wind speed in December
Mill Brook, TN

Average wind speed in December - Mill Brook, TN
  • Average wind speed in December: 5.7mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.7mph).

[Resources]

Average humidity in December
Mill Brook, TN

Average humidity in December - Mill Brook, 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 November (75%).

[Resources]

Average rainfall in December
Mill Brook, TN

Average rainfall in December - Mill Brook, TN
  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is February (3.39").
The driest month (with the least rainfall) is September (1.61").

[Resources]

Average rainfall days in December
Mill Brook, TN

Average rainfall days in December - Mill Brook, TN
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.3 days).

[Resources]

Average snowfall in December
Mill Brook, TN

Average snowfall in December - Mill Brook, TN
  • Average snowfall in December: 3.74"

The month with the highest snowfall is December (3.74").
The months with the least snowfall are May, June, July, August and September (0").

[Resources]

Average snowfall days in December
Mill Brook, TN

Average snowfall days in December - Mill Brook, TN
  • Average snowfall days in December: 5.9 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Mill Brook, TN

Average daylight in December / Average sunshine in December - Mill Brook, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).

[Resources]

Average sunshine days in December
Mill Brook, TN

Average sunshine days in December - Mill Brook, TN
  • Average sunshine days in December: 13.7 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is February (9.3 days).

[Resources]

Average UV index in December
Mill Brook, TN

Average UV index in December - Mill Brook, TN
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 2).

[Resources]

Average cloud cover in December
Mill Brook, TN

Average cloud cover in December - Mill Brook, TN
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 30).

[Resources]

Average visibility in December
Mill Brook, TN

Average visibility in December - Mill Brook, TN
  • Average visibility in December: 5mi

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

[Resources]

Mill Brook, Tennessee, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location