December weather forecast
Finley, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Finley, Tennessee, with an average temperature ranging between min 36.5°F (2.5°C) and max 48.7°F (9.3°C).

Temperature

The move into December indicates a slight reduction in the average high-temperature, down from November's moderate 57.6°F (14.2°C) to a frosty 48.7°F (9.3°C). In December, Finley records an average nighttime temperature of 36.5°F (2.5°C).

Humidity

In Finley, the average relative humidity in December is 77%.

Rainfall

In Finley, in December, it is raining for 8.4 days, with typically 1.02" (26mm) of accumulated precipitation. In Finley, during the entire year, the rain falls for 118.2 days and collects up to 13.58" (345mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 0.5 days. Throughout December, 0.35" (9mm) of snow is accumulated. Throughout the year, there are 4.8 snowfall days, and 1.46" (37mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 6:50 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:54 pm CST.

Sunshine

In Finley, the average sunshine in December is 4.8h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 2 during December translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. When the Sun is at its strongest around midday, find shade and limit exposure. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Updated: Jul 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In Finley, in December, the average high-temperature is 48.7°F (9.3°C), and the average low-temperature is 36.5°F (2.5°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 87.8°F (31°C).

What is the average humidity in December in Finley?

In Finley, the average relative humidity in December is 77%.

How much does it rain in December?

In Finley, in December, during 8.4 rainfall days, 1.02" (26mm) of precipitation is typically accumulated.

How much does it snow in Finley in December?

In December, it is snowing for 0.5 days. Throughout December, 0.35" (9mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Finley have in December?

The average day length in December is 9h and 46min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:50 am and sunset at 4:43 pm. On the last day of the month, sunrise is at 7:08 am and sunset at 4:54 pm CST.

How long on average sun shines in December?

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

When is the lowest UV index?

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

How high is the UV index in December?

In December, the average daily maximum UV index is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to Sun's UV rays.
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
Finley, TN

Average temperature in December - Finley, TN
  • Average high temperature in December: 48.7°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 (44.6°F).

  • Average low temperature in December: 36.5°F

The month with the highest average low temperature is July (70.7°F).
The coldest month (with the lowest average low temperature) is January (31.6°F).

Average pressure in December
Finley, TN

Average pressure in December - Finley, 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 (29.94"Hg).

Average wind speed in December
Finley, TN

Average wind speed in December - Finley, TN
  • Average wind speed in December: 8.8mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in December
Finley, TN

Average humidity in December - Finley, TN
  • Average humidity in December: 77%

The month with the highest relative humidity is March (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Finley, TN

Average rainfall in December - Finley, TN
  • Average rainfall in December: 1.02"

The wettest month (with the highest rainfall) is July (1.5").
The driest month (with the least rainfall) is September (0.59").

Average rainfall days in December
Finley, TN

Average rainfall days in December - Finley, TN
  • Average rainfall days in December: 8.4 days

The month with the highest number of rainy days is July (13.7 days).
The month with the least rainy days is January (7 days).

Average snowfall in December
Finley, TN

Average snowfall in December - Finley, TN
  • Average snowfall in December: 0.35"

The month with the highest snowfall is March (0.47").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Finley, TN

Average snowfall days in December - Finley, TN
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (1.4 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Finley, TN

Average daylight in December / Average sunshine in December - Finley, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Finley, TN

Average sunshine days in December - Finley, TN
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is January (21.9 days).
The month with the least sunshine days is July (14.5 days).

Average UV index in December
Finley, TN

Average UV index in December - Finley, TN
  • Average UV index in December: 2

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

Average cloud cover in December
Finley, TN

Average cloud cover in December - Finley, TN
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 25).

Average visibility in December
Finley, TN

Average visibility in December - Finley, 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).

Finley, Tennessee, USA

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