December weather forecast
Jacktown, TN

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Weather in December

The first month of the winter, December, is also a fresh month in Jacktown, Tennessee, with an average temperature varying between 36°F (2.2°C) and 50.4°F (10.2°C).

Temperature

In the transition to December, Jacktown observes a minor drop in the average high-temperature, shifting from a refreshing 57.6°F (14.2°C) in November to a fresh 50.4°F (10.2°C). December nights in Jacktown experience a consistent temperature drop to an icy 36°F (2.2°C).

Humidity

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

Rainfall

In December, in Jacktown, the rain falls for 13.4 days. Throughout December, 2.99" (76mm) of precipitation is accumulated. In Jacktown, during the entire year, the rain falls for 170.1 days and collects up to 33.23" (844mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall. In Jacktown, in December, snow falls for 2.3 days, with typically accumulated 0.39" (10mm) of snow. Throughout the year, in Jacktown, Tennessee, there are 14.2 snowfall days, and 2.36" (60mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year in Jacktown.
On the first day of the month, sunrise is at 7:28 am and sunset at 5:24 pm. On the last day of December, in Jacktown, sunrise is at 7:45 am and sunset at 5:35 pm EST.

Sunshine

The months with the least sunshine are January and December, with an average of 5.1h of 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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
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Frequently asked questions

What are the temperatures in Jacktown in December?

During December, Jacktown experiences an average high-temperature of 50.4°F (10.2°C) and a low-temperature of 36°F (2.2°C). In September, the average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, is computed to be 86°F (30°C).

What is the most humid month in Jacktown?

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

What is the average humidity in December in Jacktown?

In Jacktown, the average relative humidity in December is 79%.

How much does it rain in Jacktown in December?

In Jacktown, in December, during 13.4 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

How many days does it snow in December in Jacktown?

In Jacktown, in December, during 2.3 snowfall days, 0.39" (10mm) of snow is typically accumulated.

What is the month with the shortest days in Jacktown?

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

How many hours of daylight does Jacktown have in December?

The average day length in December in Jacktown is 9h and 49min.

When is the sunrise / sunset in December in Jacktown?

On the first day of December in Jacktown, sunrise is at 7:28 am and sunset at 5:24 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:35 pm EST.

What is the month with the least sunshine in Jacktown?

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

How long on average sun shines in December in Jacktown?

In December, the average sunshine duration is 5.1h.

What is the month with the lowest UV index in Jacktown?

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

What is the UV index reading in December in Jacktown?

In December, the average daily maximum UV index in Jacktown, Tennessee, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability 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
Jacktown, TN

Average temperature in December - Jacktown, TN
  • Average high temperature in December: 50.4°F

The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (46°F).

  • Average low temperature in December: 36°F

The month with the highest average low temperature is July (65.7°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

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Average pressure in December
Jacktown, TN

Average pressure in December - Jacktown, 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
Jacktown, TN

Average wind speed in December - Jacktown, TN
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

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Average humidity in December
Jacktown, TN

Average humidity in December - Jacktown, TN
  • Average humidity in December: 79%

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

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Average rainfall in December
Jacktown, TN

Average rainfall in December - Jacktown, TN
  • Average rainfall in December: 2.99"

The wettest month (with the highest rainfall) is July (3.94").
The driest months (with the least rainfall) are September and November (1.89").

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Average rainfall days in December
Jacktown, TN

Average rainfall days in December - Jacktown, TN
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (9.1 days).

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Average snowfall in December
Jacktown, TN

Average snowfall in December - Jacktown, TN
  • Average snowfall in December: 0.39"

The month with the highest snowfall is February (0.83").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Jacktown, TN

Average snowfall days in December - Jacktown, TN
  • Average snowfall days in December: 2.3 days

The month with the highest number of snowfall days is January (4.6 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
Jacktown, TN

Average daylight in December / Average sunshine in December - Jacktown, 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 30min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Jacktown, TN

Average sunshine days in December - Jacktown, TN
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (10.4 days).

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Average UV index in December
Jacktown, TN

Average UV index in December - Jacktown, 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
Jacktown, TN

Average cloud cover in December - Jacktown, TN
  • Average cloud cover in December: 48

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

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Average visibility in December
Jacktown, TN

Average visibility in December - Jacktown, TN
  • Average visibility in December: 5mi

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

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Jacktown, Tennessee, USA

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