December weather forecast
Bethany Hills, TN

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Weather in December

December, the first month of the winter in Bethany Hills, is still a chilly month, with an average temperature varying between 36°F (2.2°C) and 49.1°F (9.5°C).

Temperature

With the commencement of December, Bethany Hills records a moderate temperature decline, with the average high easing from November's mild 57.4°F (14.1°C) to a chilly 49.1°F (9.5°C). The temperature lowers to an average of 36°F (2.2°C) during December nights.

Humidity

With an average relative humidity of 79%, December is the most humid month.

Rainfall

In Bethany Hills, in December, during 12.7 rainfall days, 3.11" (79mm) of precipitation is typically accumulated. In Bethany Hills, during the entire year, the rain falls for 176.6 days and collects up to 38.94" (989mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Bethany Hills, in December, snow falls for 2.2 days, with typically accumulated 0.47" (12mm) of snow. Throughout the year, there are 11.4 snowfall days, and 3.35" (85mm) of snow is accumulated.

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 6:40 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:43 pm CST.

Sunshine

In Bethany Hills, the average sunshine in December is 4.7h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Aug 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In Bethany Hills, in December, the average high-temperature is 49.1°F (9.5°C), and the average low-temperature is 36°F (2.2°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 calculated to be 86°F (30°C).

What is the most humid month?

December is the most humid month in Bethany Hills, with an average relative humidity of 79%.

What is the average humidity in December?

The average relative humidity in December is 79%.

How much does it rain in December?

In Bethany Hills, Tennessee, during December, the rain falls for 12.7 days and regularly aggregates up to 3.11" (79mm) of precipitation.

How many days does it snow in December?

In December, it is snowing for 2.2 days. Throughout December, 0.47" (12mm) of snow is 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.

How many hours of daylight does Bethany Hills have in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:40 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 6:58 am and sunset at 4:43 pm CST.

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

In Bethany Hills, the average sunshine duration in December is 4.7h.

What are the months with the lowest UV index?

The months with the lowest UV index are January 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 is 2. A UV Index reading of 2, and below, represents 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
Bethany Hills, TN

Average temperature in December - Bethany Hills, TN
  • Average high temperature in December: 49.1°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (69.3°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in December
Bethany Hills, TN

Average pressure in December - Bethany Hills, 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
Bethany Hills, TN

Average wind speed in December - Bethany Hills, TN
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in December
Bethany Hills, TN

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

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are October and November (74%).

Average rainfall in December
Bethany Hills, TN

Average rainfall in December - Bethany Hills, TN
  • Average rainfall in December: 3.11"

The wettest month (with the highest rainfall) is July (4.37").
The driest months (with the least rainfall) are September and November (2.36").

Average rainfall days in December
Bethany Hills, TN

Average rainfall days in December - Bethany Hills, TN
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is July (20.3 days).
The month with the least rainy days is November (10 days).

Average snowfall in December
Bethany Hills, TN

Average snowfall in December - Bethany Hills, TN
  • Average snowfall in December: 0.47"

The month with the highest snowfall is February (1.22").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Bethany Hills, TN

Average snowfall days in December - Bethany Hills, TN
  • Average snowfall days in December: 2.2 days

The month with the highest number of snowfall days is February (3.9 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
Bethany Hills, TN

Average daylight in December / Average sunshine in December - Bethany 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: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 30min).

Average sunshine days in December
Bethany Hills, TN

Average sunshine days in December - Bethany Hills, TN
  • Average sunshine days in December: 15.2 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (9.2 days).

Average UV index in December
Bethany Hills, TN

Average UV index in December - Bethany 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 and December (UV index 2).

Average cloud cover in December
Bethany Hills, TN

Average cloud cover in December - Bethany Hills, TN
  • Average cloud cover in December: 51

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

Average visibility in December
Bethany Hills, TN

Average visibility in December - Bethany Hills, 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).

Bethany Hills, Tennessee, USA

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