December weather forecast
Tariffville, TN

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Weather in December

December, the first month of the winter in Tariffville, is still a cool month, with an average temperature varying between 36.1°F (2.3°C) and 50.2°F (10.1°C).

Temperature

A modest decline in the average high-temperature is seen during December, decreasing from a moderate 57.9°F (14.4°C) in November to a cool 50.2°F (10.1°C). Nighttime temperatures hover around an average low of 36.1°F (2.3°C) in December.

Humidity

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

Rainfall

In Tariffville, in December, during 12.3 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Tariffville, during the entire year, the rain falls for 159.4 days and collects up to 35.71" (907mm) of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In December, it is snowing for 2.4 days. Throughout December, 0.51" (13mm) of snow is accumulated. In Tariffville, during the entire year, snow falls for 12.9 days and aggregates up to 3.46" (88mm) of snow.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December in Tariffville, sunrise is at 7:28 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:34 pm EST.

Sunshine

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

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In December, the maximum UV index of 2 translates into these guidelines:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Aug 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Tariffville in December?

The high-temperature, in December, in Tariffville, records 50.2°F (10.1°C), while the low-temperature is 36.1°F (2.3°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is appraised at 86°F (30°C).

What is the most humid month?

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

What is the average humidity in December?

The average relative humidity in December is 79%.

How many days does it rain in December?

In Tariffville, in December, during 12.3 rainfall days, 3.7" (94mm) of precipitation is typically accumulated.

How much does it snow in December?

In December, it is snowing for 2.4 days. Throughout December, 0.51" (13mm) of snow is accumulated.

What is the month with the shortest days?

The month with the shortest days in Tariffville is December, with an average of 9h and 48min of daylight.

How many hours of daylight does Tariffville have in December?

In December, the average day length is 9h and 49min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:28 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:34 pm EST.

What is the month with the least sunshine?

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

How many hours of sunshine does Tariffville have in December?

The average sunshine duration in December is 5.1h.

What are the months with 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 low health threat from unsafe 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
Tariffville, TN

Average temperature in December - Tariffville, TN
  • Average high temperature in December: 50.2°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (45.7°F).

  • Average low temperature in December: 36.1°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).

Average pressure in December
Tariffville, TN

Average pressure in December - Tariffville, 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).

Average wind speed in December
Tariffville, TN

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

The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).

Average humidity in December
Tariffville, TN

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

The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Tariffville, TN

Average rainfall in December - Tariffville, TN
  • Average rainfall in December: 3.7"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Tariffville, TN

Average rainfall days in December - Tariffville, TN
  • Average rainfall days in December: 12.3 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is November (8.8 days).

Average snowfall in December
Tariffville, TN

Average snowfall in December - Tariffville, TN
  • Average snowfall in December: 0.51"

The month with the highest snowfall is January (1.1").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Tariffville, TN

Average snowfall days in December - Tariffville, TN
  • Average snowfall days in December: 2.4 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).

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

Average daylight in December / Average sunshine in December - Tariffville, 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 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).

Average sunshine days in December
Tariffville, TN

Average sunshine days in December - Tariffville, TN
  • Average sunshine days in December: 16.8 days

The month with the most sunshine days is October (19.6 days).
The month with the least sunshine days is July (11.6 days).

Average UV index in December
Tariffville, TN

Average UV index in December - Tariffville, 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).

Average cloud cover in December
Tariffville, TN

Average cloud cover in December - Tariffville, 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 27).

Average visibility in December
Tariffville, TN

Average visibility in December - Tariffville, 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).

Tariffville, Tennessee, USA

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