December weather forecast
Westmoreland Heights, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Westmoreland Heights, Tennessee, with an average temperature fluctuating between 35.2°F (1.8°C) and 49.5°F (9.7°C).

Temperature

In December, the average high-temperature marginally drops from a moderate 57.2°F (14°C) in November to a chilly 49.5°F (9.7°C). The nighttime temperature, during December, averages of 35.2°F (1.8°C).

Humidity

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

Rainfall

In Westmoreland Heights, in December, it is raining for 11.1 days, with typically 1.54" (39mm) of accumulated precipitation. In Westmoreland Heights, during the entire year, the rain falls for 149 days and collects up to 18.74" (476mm) of precipitation.

Snowfall

Months with snowfall are January through March, October through December. In Westmoreland Heights, in December, during 3.6 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Westmoreland Heights, during the entire year, snow falls for 18.9 days and aggregates up to 3.58" (91mm) of snow.

Daylight

December has the shortest days of the year in Westmoreland Heights, Tennessee, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 7:28 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:45 am and sunset at 5:33 pm EST.

Sunshine

The average sunshine in December is 5.2h.

UV index

The months with the lowest UV index in Westmoreland Heights are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: During December, 2 as the daily maximum UV index converts into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature in Westmoreland Heights?

The high-temperature, in December, in Westmoreland Heights, records 49.5°F (9.7°C), while the low-temperature is 35.2°F (1.8°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is calculated to be 86°F (30°C).

What is the most humid month in Westmoreland Heights?

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

What is the average humidity in December in Westmoreland Heights?

The average relative humidity in December is 79%.

How much does it rain in Westmoreland Heights in December?

In Westmoreland Heights, during December, the rain falls for 11.1 days and regularly aggregates up to 1.54" (39mm) of precipitation.

How many days does it snow in December in Westmoreland Heights?

In Westmoreland Heights, Tennessee, during December, snow falls for 3.6 days and regularly aggregates up to 0.63" (16mm) of snow.

What is the month with the shortest days in Westmoreland Heights?

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

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

In December, the average day length in Westmoreland Heights, Tennessee, is 9h and 47min.

When are sunrise and sunset in December in Westmoreland Heights?

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 7:45 am and sunset at 5:33 pm EST.

How long on average sun shines in December in Westmoreland Heights?

In Westmoreland Heights, Tennessee, the average sunshine duration in December is 5.2h.

When is the lowest UV index in Westmoreland Heights?

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

What is the UV index reading in December in Westmoreland Heights?

In December, the average daily maximum UV index in Westmoreland Heights, Tennessee, is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from exposure to the Sun's 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
Westmoreland Heights, TN

Average temperature in December - Westmoreland Heights, TN
  • Average high temperature in December: 49.5°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 (44.8°F).

  • Average low temperature in December: 35.2°F

The month with the highest average low temperature is July (65.5°F).
The coldest month (with the lowest average low temperature) is January (29.5°F).

Average pressure in December
Westmoreland Heights, TN

Average pressure in December - Westmoreland Heights, 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
Westmoreland Heights, TN

Average wind speed in December - Westmoreland Heights, TN
  • Average wind speed in December: 5.2mph

The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest month (with the lowest average wind speed) is August (3.6mph).

Average humidity in December
Westmoreland Heights, TN

Average humidity in December - Westmoreland Heights, 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
Westmoreland Heights, TN

Average rainfall in December - Westmoreland Heights, TN
  • Average rainfall in December: 1.54"

The wettest month (with the highest rainfall) is July (2.2").
The driest month (with the least rainfall) is October (1.18").

Average rainfall days in December
Westmoreland Heights, TN

Average rainfall days in December - Westmoreland Heights, TN
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (16.3 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Westmoreland Heights, TN

Average snowfall in December - Westmoreland Heights, TN
  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (0.98").
The months with the least snowfall are April, May, June, July, August and September (0").

Average snowfall days in December
Westmoreland Heights, TN

Average snowfall days in December - Westmoreland Heights, TN
  • Average snowfall days in December: 3.6 days

The month with the highest number of snowfall days is January (5.4 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
Westmoreland Heights, TN

Average daylight in December / Average sunshine in December - Westmoreland Heights, 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 48min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).

Average sunshine days in December
Westmoreland Heights, TN

Average sunshine days in December - Westmoreland Heights, TN
  • Average sunshine days in December: 17 days

The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are February and July (12.5 days).

Average UV index in December
Westmoreland Heights, TN

Average UV index in December - Westmoreland 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
Westmoreland Heights, TN

Average cloud cover in December - Westmoreland Heights, TN
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Westmoreland Heights, TN

Average visibility in December - Westmoreland Heights, 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).

Westmoreland Heights, Tennessee, USA

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