December weather forecast
Jefferson Springs, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Jefferson Springs, Tennessee, with an average temperature ranging between min 36.1°F (2.3°C) and max 49.3°F (9.6°C).

Temperature

Jefferson Springs in December experiences a gentle temperature dip, with average high-temperatures reducing from a refreshing 57.7°F (14.3°C) in November to a chilly 49.3°F (9.6°C). In December, Jefferson Springs experiences an average nighttime temperature of 36.1°F (2.3°C).

Humidity

December is the most humid month in Jefferson Springs, with an average relative humidity of 78%.

Rainfall

In Jefferson Springs, Tennessee, during December, the rain falls for 11.1 days and regularly aggregates up to 1.85" (47mm) of precipitation. In Jefferson Springs, during the entire year, the rain falls for 150.1 days and collects up to 24.41" (620mm) of precipitation.

Snowfall

January through April, November and December are months with snowfall in Jefferson Springs. In Jefferson Springs, during December, snow falls for 2.5 days and regularly aggregates up to 0.39" (10mm) of snow. In Jefferson Springs, during the entire year, snow falls for 12.1 days and aggregates up to 2.24" (57mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:38 am and sunset at 4:31 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:42 pm CST.

Sunshine

The average sunshine in December in Jefferson Springs is 4.5h.

UV index

The months with the lowest UV index in Jefferson Springs are February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What is the usual temperature for Jefferson Springs in December?

In December, the average high-temperature and low-temperature are 49.3°F (9.6°C) and 36.1°F (2.3°C) respectively. In September, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is computed to be 87.8°F (31°C).

What is the most humid month in Jefferson Springs?

The most humid month in Jefferson Springs, Tennessee, is December, with an average relative humidity of 78%.

What is the average humidity in December in Jefferson Springs?

In December, the average relative humidity in Jefferson Springs is 78%.

How many days does it rain in December in Jefferson Springs?

In Jefferson Springs, Tennessee, in December, it is raining for 11.1 days, with typically 1.85" (47mm) of accumulated precipitation.

How much does it snow in Jefferson Springs in December?

In Jefferson Springs, Tennessee, in December, during 2.5 snowfall days, 0.39" (10mm) of snow is typically accumulated.

What is the month with the shortest days in Jefferson Springs?

With an average of 9h and 48min of daylight, December has the shortest days of the year in Jefferson Springs.

How many hours of daylight does Jefferson Springs have in December?

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

What time are sunrise and sunset in December in Jefferson Springs?

In December, on the first day of the month, sunrise is at 6:38 am and sunset at 4:31 pm. On the last day of the month, in Jefferson Springs, sunrise is at 6:56 am and sunset at 4:42 pm CST.

How many hours of sunshine does Jefferson Springs have in December?

The average sunshine duration in December in Jefferson Springs, Tennessee, is 4.5h.

When is the lowest UV index in Jefferson Springs?

February and December, with an average maximum UV index of 2, are months with the lowest UV index in Jefferson Springs, Tennessee.

How high is the UV index in December in Jefferson Springs?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a low health risk 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
Jefferson Springs, TN

Average temperature in December - Jefferson Springs, TN
  • Average high temperature in December: 49.3°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (45.1°F).

  • Average low temperature in December: 36.1°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 (30.7°F).

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Average pressure in December
Jefferson Springs, TN

Average pressure in December - Jefferson Springs, 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).

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Average wind speed in December
Jefferson Springs, TN

Average wind speed in December - Jefferson Springs, TN
  • Average wind speed in December: 7.3mph

The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

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Average humidity in December
Jefferson Springs, TN

Average humidity in December - Jefferson Springs, TN
  • Average humidity in December: 78%

The month with the highest relative humidity is December (78%).
The months with the lowest relative humidity are June, August and October (73%).

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Average rainfall in December
Jefferson Springs, TN

Average rainfall in December - Jefferson Springs, TN
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is July (3.19").
The driest month (with the least rainfall) is November (1.38").

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Average rainfall days in December
Jefferson Springs, TN

Average rainfall days in December - Jefferson Springs, TN
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is November (7.7 days).

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Average snowfall in December
Jefferson Springs, TN

Average snowfall in December - Jefferson Springs, TN
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (0.71").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Jefferson Springs, TN

Average snowfall days in December - Jefferson Springs, TN
  • Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (3.5 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
Jefferson Springs, TN

Average daylight in December / Average sunshine in December - Jefferson Springs, 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 3min

The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 24min).

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Average sunshine days in December
Jefferson Springs, TN

Average sunshine days in December - Jefferson Springs, TN
  • Average sunshine days in December: 17.1 days

The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (11.8 days).

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Average UV index in December
Jefferson Springs, TN

Average UV index in December - Jefferson Springs, 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 February and December (UV index 2).

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Average cloud cover in December
Jefferson Springs, TN

Average cloud cover in December - Jefferson Springs, TN
  • Average cloud cover in December: 52

The month with the most cloud cover is February (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 30).

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Average visibility in December
Jefferson Springs, TN

Average visibility in December - Jefferson Springs, 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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Jefferson Springs, Tennessee, USA

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