December weather forecast
Rolling Brook, TN

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Weather in December

The first month of the winter, December, is still a cool month in Rolling Brook, Tennessee, with temperature in the range of an average high of 50.5°F (10.3°C) and an average low of 36.1°F (2.3°C).

Temperature

The start of December involves a subtle temperature drop, shifting from a moderate 58.1°F (14.5°C) in November to a cool 50.5°F (10.3°C). An average low-temperature of 36.1°F (2.3°C) marks the month of December in Rolling Brook.

Humidity

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

Rainfall

In Rolling Brook, during December, the rain falls for 11.4 days and regularly aggregates up to 2.36" (60mm) of precipitation. Throughout the year, there are 148 rainfall days, and 23.9" (607mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall in Rolling Brook, Tennessee. In Rolling Brook, in December, during 0.7 snowfall days, 0.24" (6mm) of snow is typically accumulated. In Rolling Brook, during the entire year, snow falls for 5.2 days and aggregates up to 1.77" (45mm) of snow.

Daylight

December has the shortest days of the year in Rolling Brook, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:29 am and sunset at 5:27 pm. On the last day of December, in Rolling Brook, sunrise is at 7:47 am and sunset at 5:37 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5.1h of sunshine.

UV index

The months with the lowest UV index in Rolling Brook are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
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Frequently asked questions

What are December temperatures in Rolling Brook?

The high-temperature, in December, in Rolling Brook, records 50.5°F (10.3°C), while the low-temperature is 36.1°F (2.3°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines relative humidity and air temperature, in September is computed to be 87.8°F (31°C).

What is the most humid month in Rolling Brook?

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

What is the average humidity in December in Rolling Brook?

In Rolling Brook, the average relative humidity in December is 80%.

How much does it rain in Rolling Brook in December?

In Rolling Brook, during December, the rain falls for 11.4 days and regularly aggregates up to 2.36" (60mm) of precipitation.

How many days does it snow in December in Rolling Brook?

In Rolling Brook, Tennessee, during December, snow falls for 0.7 days and regularly aggregates up to 0.24" (6mm) of snow.

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

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

How many hours of daylight does Rolling Brook have in December?

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

When is the sunrise / sunset in December in Rolling Brook?

On the first day of December in Rolling Brook, sunrise is at 7:29 am and sunset at 5:27 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:37 pm EST.

What is the month with the least sunshine in Rolling Brook?

December has the least sunshine of the year, with an average of 5.1h of sunshine.

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

In December, the average sunshine duration in Rolling Brook is 5.1h.

When is the lowest UV index in Rolling Brook?

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

How high is the UV index in December in Rolling Brook?

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

Average temperature in December - Rolling Brook, TN
  • Average high temperature in December: 50.5°F

The warmest month (with the highest average high temperature) is July (87.8°F).
The month with the lowest average high temperature is January (46.4°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

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Average pressure in December
Rolling Brook, TN

Average pressure in December - Rolling Brook, 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
Rolling Brook, TN

Average wind speed in December - Rolling Brook, TN
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

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Average humidity in December
Rolling Brook, TN

Average humidity in December - Rolling Brook, 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, July, August, September, October and November (75%).

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Average rainfall in December
Rolling Brook, TN

Average rainfall in December - Rolling Brook, TN
  • Average rainfall in December: 2.36"

The wettest month (with the highest rainfall) is July (2.64").
The driest month (with the least rainfall) is September (1.3").

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Average rainfall days in December
Rolling Brook, TN

Average rainfall days in December - Rolling Brook, TN
  • Average rainfall days in December: 11.4 days

The month with the highest number of rainy days is July (17 days).
The month with the least rainy days is November (7.3 days).

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Average snowfall in December
Rolling Brook, TN

Average snowfall in December - Rolling Brook, TN
  • Average snowfall in December: 0.24"

The month with the highest snowfall is February (0.75").
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
Rolling Brook, TN

Average snowfall days in December - Rolling Brook, TN
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (1.7 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
Rolling Brook, TN

Average daylight in December / Average sunshine in December - Rolling Brook, 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 1min

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 6min).

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Average sunshine days in December
Rolling Brook, TN

Average sunshine days in December - Rolling Brook, TN
  • Average sunshine days in December: 17.7 days

The months with the most sunshine days are October and November (21.2 days).
The month with the least sunshine days is July (11.6 days).

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Average UV index in December
Rolling Brook, TN

Average UV index in December - Rolling Brook, 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
Rolling Brook, TN

Average cloud cover in December - Rolling Brook, TN
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).

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Average visibility in December
Rolling Brook, TN

Average visibility in December - Rolling Brook, 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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Rolling Brook, Tennessee, USA

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