December weather forecast
Crestwood Hills, TN

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Weather in December

The first month of the winter, December, is also a frosty month in Crestwood Hills, Tennessee, with temperature in the range of an average high of 49.1°F (9.5°C) and an average low of 35.4°F (1.9°C).

Temperature

December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a moderate 57°F (13.9°C) in November to a frosty 49.1°F (9.5°C). During December, Crestwood Hills witnesses a consistent average low-temperature of 35.4°F (1.9°C).

Humidity

The most humid month is December, with an average relative humidity of 79%.

Rainfall

In Crestwood Hills, in December, it is raining for 14.2 days, with typically 3.86" (98mm) of accumulated precipitation. Throughout the year, there are 177.6 rainfall days, and 37.91" (963mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 3.5 days. Throughout December, 0.83" (21mm) of snow is accumulated. In Crestwood Hills, during the entire year, snow falls for 19 days and aggregates up to 5.59" (142mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 7:28 am and sunset at 5:22 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:32 pm EST.

Sunshine

In Crestwood Hills, the average sunshine in December is 5.2h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. 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 daily UV index of 2 during December translates into the following directions:
While sun exposure does not greatly affect most, individuals with fair skin, babies, and children always need vigilant safeguarding. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What are December temperatures?

The high-temperature, in December, in Crestwood Hills, is 49.1°F (9.5°C), while the low-temperature averages to 35.4°F (1.9°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, 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 79%.

What is the average humidity in December?

In Crestwood Hills, Tennessee, the average relative humidity in December is 79%.

How many days does it rain in December?

In Crestwood Hills, in December, it is raining for 14.2 days, with typically 3.86" (98mm) of accumulated precipitation.

How many days does it snow in December?

In Crestwood Hills, in December, during 3.5 snowfall days, 0.83" (21mm) of snow is typically accumulated.

What is the month with the shortest days?

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

What is the average length of the day in December?

In Crestwood Hills, the average day length in December is 9h and 46min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:28 am and sunset at 5:22 pm. On the last day of the month, in Crestwood Hills, sunrise is at 7:46 am and sunset at 5:32 pm EST.

How many hours of sunshine does Crestwood Hills have in December?

The average sunshine duration in December is 5.2h.

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 Crestwood Hills?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to 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
Crestwood Hills, TN

Average temperature in December - Crestwood Hills, TN
  • Average high temperature in December: 49.1°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 (44.8°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (66°F).
The coldest month (with the lowest average low temperature) is January (29.7°F).

Average pressure in December
Crestwood Hills, TN

Average pressure in December - Crestwood Hills, TN
  • Average pressure in December: 30.14"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).

Average wind speed in December
Crestwood Hills, TN

Average wind speed in December - Crestwood Hills, TN
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is April (6mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in December
Crestwood Hills, TN

Average humidity in December - Crestwood Hills, TN
  • Average humidity in December: 79%

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (72%).

Average rainfall in December
Crestwood Hills, TN

Average rainfall in December - Crestwood Hills, TN
  • Average rainfall in December: 3.86"

The wettest month (with the highest rainfall) is February (4.33").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Crestwood Hills, TN

Average rainfall days in December - Crestwood Hills, TN
  • Average rainfall days in December: 14.2 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.3 days).

Average snowfall in December
Crestwood Hills, TN

Average snowfall in December - Crestwood Hills, TN
  • Average snowfall in December: 0.83"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Crestwood Hills, TN

Average snowfall days in December - Crestwood Hills, TN
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (5.5 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
Crestwood Hills, TN

Average daylight in December / Average sunshine in December - Crestwood Hills, TN
  • Average daylight in December: 9h and 5min

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 48min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Crestwood Hills, TN

Average sunshine days in December - Crestwood Hills, TN
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is November (17.8 days).
The month with the least sunshine days is July (10.3 days).

Average UV index in December
Crestwood Hills, TN

Average UV index in December - Crestwood Hills, 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
Crestwood Hills, TN

Average cloud cover in December - Crestwood Hills, TN
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 52).
The months with the least cloud cover are June and August (Cloud cover 28).

Average visibility in December
Crestwood Hills, TN

Average visibility in December - Crestwood Hills, TN
  • Average visibility in December: 6mi

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

Crestwood Hills, Tennessee, USA

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