December weather forecast
Brooklyn Heights, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Brooklyn Heights, Tennessee, with temperature in the range of an average high of 48.9°F (9.4°C) and an average low of 35.6°F (2°C).

Temperature

The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a mild 57.4°F (14.1°C) in November to a chilly 48.9°F (9.4°C). Nighttime temperature lowers to an average of 35.6°F (2°C) in December.

Humidity

The most humid month is December, with an average relative humidity of 78%.

Rainfall

In Brooklyn Heights, Tennessee, in December, during 11.8 rainfall days, 2.28" (58mm) of precipitation is typically accumulated. Throughout the year, there are 169.9 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In Brooklyn Heights, during December, snow falls for 3 days and regularly aggregates up to 0.35" (9mm) of snow. In Brooklyn Heights, during the entire year, snow falls for 14.6 days and aggregates up to 2.99" (76mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:40 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:42 pm CST.

Sunshine

In Brooklyn Heights, the average sunshine in December is 4.7h.

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 reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index of 2 during December leads to these instructions:
While most can endure approximately an hour in the sun without burning, children always require protection from sunlight. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Aug 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the temperature in December?

The high-temperature during December is 48.9°F (9.4°C) and the low-temperature is 35.6°F (2°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 86°F (30°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 78%.

What is the average humidity in December?

The average relative humidity in December in Brooklyn Heights is 78%.

How much does it rain in December?

In Brooklyn Heights, in December, it is raining for 11.8 days, with typically 2.28" (58mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 3 days. Throughout December, 0.35" (9mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

How many hours of daylight does Brooklyn Heights have in December?

In Brooklyn Heights, the average day length in December is 9h and 44min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:40 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:42 pm CST.

How many hours of sunshine does Brooklyn Heights have in December?

The average sunshine duration in December is 4.7h.

When is the lowest UV index?

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

How high is the UV index in December?

In Brooklyn Heights, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from 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
Brooklyn Heights, TN

Average temperature in December - Brooklyn Heights, TN
  • Average high temperature in December: 48.9°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Brooklyn Heights, TN

Average pressure in December - Brooklyn Heights, 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 (29.97"Hg).

Average wind speed in December
Brooklyn Heights, TN

Average wind speed in December - Brooklyn Heights, TN
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in December
Brooklyn Heights, TN

Average humidity in December - Brooklyn Heights, TN
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Brooklyn Heights, TN

Average rainfall in December - Brooklyn Heights, TN
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in December
Brooklyn Heights, TN

Average rainfall days in December - Brooklyn Heights, TN
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in December
Brooklyn Heights, TN

Average snowfall in December - Brooklyn Heights, TN
  • Average snowfall in December: 0.35"

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Brooklyn Heights, TN

Average snowfall days in December - Brooklyn Heights, TN
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Brooklyn Heights, TN

Average daylight in December / Average sunshine in December - Brooklyn Heights, 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: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in December
Brooklyn Heights, TN

Average sunshine days in December - Brooklyn Heights, TN
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in December
Brooklyn Heights, TN

Average UV index in December - Brooklyn Heights, 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).

Average cloud cover in December
Brooklyn Heights, TN

Average cloud cover in December - Brooklyn Heights, TN
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).

Average visibility in December
Brooklyn Heights, TN

Average visibility in December - Brooklyn Heights, 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).

Brooklyn Heights, Tennessee, USA

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