December weather forecast
Porter Court, TN

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Weather in December

December, the first month of the winter in Porter Court, is still a chilly month, with an average temperature fluctuating between 35.6°F (2°C) and 47.8°F (8.8°C).

Temperature

December reveals a small adjustment in temperature, transitioning from an average high of a refreshing 56.5°F (13.6°C) in November to a chilly 47.8°F (8.8°C). Throughout the month of December, Porter Court observes an average nighttime temperature of 35.6°F (2°C).

Humidity

The average relative humidity in December in Porter Court, Tennessee, is 79%.

Rainfall

In Porter Court, during December, the rain falls for 12.5 days and regularly aggregates up to 3.43" (87mm) of precipitation. In Porter Court, during the entire year, the rain falls for 165.6 days and collects up to 37.64" (956mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall in Porter Court. In Porter Court, during December, snow falls for 1.5 days and regularly aggregates up to 0.71" (18mm) of snow. In Porter Court, during the entire year, snow falls for 10.5 days and aggregates up to 4.06" (103mm) of snow.

Daylight

December has the shortest days of the year in Porter Court, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 6:46 am and sunset at 4:38 pm. On the last day of December, in Porter Court, sunrise is at 7:04 am and sunset at 4:48 pm CST.

Sunshine

In December, the average sunshine in Porter Court is 4.8h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Porter Court. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during December translates into these guidelines:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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Frequently asked questions

What is the temperature in December in Porter Court?

An average high-temperature, in December, in Porter Court, is 47.8°F (8.8°C) and the average low-temperature is 35.6°F (2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 87.8°F (31°C).

What is the average humidity in December in Porter Court?

In December, the average relative humidity in Porter Court, Tennessee, is 79%.

How many days does it rain in December in Porter Court?

In December, the rain falls for 12.5 days. Throughout December, 3.43" (87mm) of precipitation is accumulated.

How much does it snow in Porter Court in December?

In Porter Court, during December, snow falls for 1.5 days and regularly aggregates up to 0.71" (18mm) of snow.

What is the month with the shortest days in Porter Court?

December has the shortest days of the year in Porter Court, Tennessee, with an average of 9h and 42min of daylight.

How many hours of daylight does Porter Court have in December?

In December, the average day length in Porter Court, Tennessee, is 9h and 44min.

When are sunrise and sunset in December in Porter Court?

On the first day of December in Porter Court, Tennessee, sunrise is at 6:46 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 4:48 pm CST.

How many hours of sunshine does Porter Court have in December?

In Porter Court, the average sunshine duration in December is 4.8h.

What is the month with the lowest UV index in Porter Court?

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

What is the UV index reading in December in Porter Court?

The average daily maximum UV index in December in Porter Court, Tennessee, is 2. A UV Index reading of 2, and below, represents a low health threat 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
Porter Court, TN

Average temperature in December - Porter Court, TN
  • Average high temperature in December: 47.8°F

The warmest month (with the highest average high temperature) is July (88.5°F).
The month with the lowest average high temperature is January (43.5°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (30.2°F).

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Average pressure in December
Porter Court, TN

Average pressure in December - Porter Court, TN
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

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Average wind speed in December
Porter Court, TN

Average wind speed in December - Porter Court, TN
  • Average wind speed in December: 8.1mph

The windiest months (with the highest average wind speed) are January, February and April (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.2mph).

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Average humidity in December
Porter Court, TN

Average humidity in December - Porter Court, TN
  • Average humidity in December: 79%

The month with the highest relative humidity is March (80%).
The month with the lowest relative humidity is October (72%).

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Average rainfall in December
Porter Court, TN

Average rainfall in December - Porter Court, TN
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (1.85").

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Average rainfall days in December
Porter Court, TN

Average rainfall days in December - Porter Court, TN
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in December
Porter Court, TN

Average snowfall in December - Porter Court, TN
  • Average snowfall in December: 0.71"

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

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Average snowfall days in December
Porter Court, TN

Average snowfall days in December - Porter Court, TN
  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is January (4.1 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Porter Court, TN

Average daylight in December / Average sunshine in December - Porter Court, 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 5min

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

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Average sunshine days in December
Porter Court, TN

Average sunshine days in December - Porter Court, TN
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (11.3 days).

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Average UV index in December
Porter Court, TN

Average UV index in December - Porter Court, TN
  • Average UV index in December: 2

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

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Average cloud cover in December
Porter Court, TN

Average cloud cover in December - Porter Court, TN
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 28).

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Average visibility in December
Porter Court, TN

Average visibility in December - Porter Court, 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).

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Porter Court, Tennessee, USA

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