December weather forecast
Forestwood, TN

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Weather in December

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

Temperature

A moderate decline in average high-temperatures is noted in December, moving from a moderate 57.6°F (14.2°C) in November to a cool 50.2°F (10.1°C). In the month of December, an average of 36.1°F (2.3°C) marks the low-temperature.

Humidity

The most humid month in Forestwood is December, with an average relative humidity of 80%.

Rainfall

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

Snowfall

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

Daylight

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

Sunshine

The month with the least sunshine is December, with an average of 5h of sunshine.

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 value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the UV index of 2 transforms into the following advice:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Aug 20, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The high-temperature in Forestwood during December is 50.2°F (10.1°C) and the low-temperature is 36.1°F (2.3°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 86°F (30°C).

What is the most humid month?

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

What is the average humidity in December?

The average relative humidity in December in Forestwood is 80%.

What is the wettest month?

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

How many days does it rain in December?

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

When does it start to snow?

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

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 9h and 50min.

What time are sunrise and sunset in December?

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, sunrise is at 7:49 am and sunset at 5:39 pm EST.

What is the month with the least sunshine?

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

How long on average sun shines in December in Forestwood?

In Forestwood, the average sunshine duration in December is 5h.

What is the month with 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 December, the average daily maximum UV index in Forestwood is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to 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
Forestwood, TN

Average temperature in December - Forestwood, 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).

Average pressure in December
Forestwood, TN

Average pressure in December - Forestwood, 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).

Average wind speed in December
Forestwood, TN

Average wind speed in December - Forestwood, 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).

Average humidity in December
Forestwood, TN

Average humidity in December - Forestwood, 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%).

Average rainfall in December
Forestwood, TN

Average rainfall in December - Forestwood, 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").

Average rainfall days in December
Forestwood, TN

Average rainfall days in December - Forestwood, 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).

Average snowfall in December
Forestwood, TN

Average snowfall in December - Forestwood, 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").

Average snowfall days in December
Forestwood, TN

Average snowfall days in December - Forestwood, 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).

Average daylight in December /
Average sunshine in December
Forestwood, TN

Average daylight in December / Average sunshine in December - Forestwood, 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).

Average sunshine days in December
Forestwood, TN

Average sunshine days in December - Forestwood, 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).

Average UV index in December
Forestwood, TN

Average UV index in December - Forestwood, 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
Forestwood, TN

Average cloud cover in December - Forestwood, 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).

Average visibility in December
Forestwood, TN

Average visibility in December - Forestwood, 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).

Forestwood, Tennessee, USA

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