December weather forecast
Knox Park, TN

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Weather in December

December, the first month of the winter in Knox Park, is still a cool month, with temperature in the range of an average high of 50°F (10°C) and an average low of 35.8°F (2.1°C).

Temperature

The onset of December brings a small shift in high-temperatures, falling from a mild 57.9°F (14.4°C) in November to a cool 50°F (10°C). December nights in Knox Park, Tennessee, cool down to an average low-temperature of 35.8°F (2.1°C).

Humidity

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

Rainfall

In December, the rain falls for 8.8 days. Throughout December, 1.65" (42mm) of precipitation is accumulated. Throughout the year, in Knox Park, there are 122.6 rainfall days, and 17.44" (443mm) of precipitation is accumulated.

Snowfall

January through March, November and December are months with snowfall. In Knox Park, Tennessee, in December, snow falls for 1.4 days, with typically accumulated 0.2" (5mm) of snow. Throughout the year, there are 8.3 snowfall days, and 1.5" (38mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Knox Park.
On the first day of the month, sunrise is at 7:29 am and sunset at 5:25 pm. On the last day of December, in Knox Park, sunrise is at 7:47 am and sunset at 5:35 pm EST.

Sunshine

January and December, with an average of 5.1h of sunshine, are months with the least 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 of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: An average maximum UV index of 2 in December leads to these recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
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Frequently asked questions

What is the average December temperature in Knox Park?

In Knox Park, 50°F (10°C) is the average high-temperature and 35.8°F (2.1°C) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in September is evaluated at 86°F (30°C).

What is the most humid month in Knox Park?

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

What is the average humidity in December in Knox Park?

In December, the average relative humidity is 79%.

How much does it rain in Knox Park in December?

In Knox Park, Tennessee, in December, it is raining for 8.8 days, with typically 1.65" (42mm) of accumulated precipitation.

How many days does it snow in December in Knox Park?

In Knox Park, Tennessee, during December, snow falls for 1.4 days and regularly aggregates up to 0.2" (5mm) of snow.

What is the month with the shortest days in Knox Park?

With an average of 9h and 48min of daylight, December has the shortest days of the year in Knox Park, Tennessee.

How many hours of daylight does Knox Park have in December?

In Knox Park, Tennessee, the average day length in December is 9h and 49min.

What time are sunrise and sunset in December in Knox Park?

On the first day of December in Knox Park, Tennessee, sunrise is at 7:29 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:35 pm EST.

What is the month with the least sunshine in Knox Park?

January and December, with an average of 5.1h of sunshine, are months with the least sunshine in Knox Park.

How long on average sun shines in December in Knox Park?

In Knox Park, Tennessee, the average sunshine duration in December is 5.1h.

What are the months with the lowest UV index in Knox Park?

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

What is the UV index intensity in December in Knox Park?

In Knox Park, Tennessee, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Knox Park, TN

Average temperature in December - Knox Park, TN
  • Average high temperature in December: 50°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: 35.8°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in December
Knox Park, TN

Average pressure in December - Knox Park, TN
  • Average pressure in December: 30.15"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).

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Average wind speed in December
Knox Park, TN

Average wind speed in December - Knox Park, TN
  • Average wind speed in December: 5.9mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).

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Average humidity in December
Knox Park, TN

Average humidity in December - Knox Park, TN
  • Average humidity in December: 79%

The month with the highest relative humidity is December (79%).
The months with the lowest relative humidity are June, July, August, September, October and November (75%).

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Average rainfall in December
Knox Park, TN

Average rainfall in December - Knox Park, TN
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is July (2.09").
The driest month (with the least rainfall) is September (0.79").

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Average rainfall days in December
Knox Park, TN

Average rainfall days in December - Knox Park, TN
  • Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is July (13.5 days).
The month with the least rainy days is November (6.7 days).

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Average snowfall in December
Knox Park, TN

Average snowfall in December - Knox Park, TN
  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (0.47").
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
Knox Park, TN

Average snowfall days in December - Knox Park, TN
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is January (2.5 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
Knox Park, TN

Average daylight in December / Average sunshine in December - Knox Park, 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 36min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Knox Park, TN

Average sunshine days in December - Knox Park, TN
  • Average sunshine days in December: 20.7 days

The month with the most sunshine days is October (22.3 days).
The month with the least sunshine days is July (15.3 days).

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Average UV index in December
Knox Park, TN

Average UV index in December - Knox Park, 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).

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Average cloud cover in December
Knox Park, TN

Average cloud cover in December - Knox Park, TN
  • Average cloud cover in December: 48

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

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Average visibility in December
Knox Park, TN

Average visibility in December - Knox Park, TN
  • Average visibility in December: 6mi

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

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Knox Park, Tennessee, USA

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