December weather forecast
Belltown Mill, TN

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Weather in December

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

Temperature

December's onset brings a negligible change in high-temperatures, falling from a moderate 57.9°F (14.4°C) in November to a fresh 50.2°F (10.1°C). Throughout December, the temperature in Belltown Mill tends to fall to a consistent average low of 36.1°F (2.3°C).

Humidity

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

Rainfall

In December, the rain falls for 12.3 days. Throughout December, 3.7" (94mm) of precipitation is accumulated. In Belltown Mill, 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 Belltown Mill, during December, snow falls for 2.4 days and regularly aggregates up to 0.51" (13mm) of snow. Throughout the year, there are 12.9 snowfall days, and 3.46" (88mm) of snow is accumulated.

Daylight

The month with the shortest days in Belltown Mill is December, with an average of 9h and 48min of daylight.
On the first day of December, 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 5:34 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 health risk from exposure to the Sun's UV rays for average individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Sun exposure does not present considerable issues for many, yet infants, fair-skinned people, and children necessitate constant protection. To avoid the Sun's strongest rays, limit exposure around the mid-day period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Belltown Mill in December?

Belltown Mill in December has an average high-temperature of 50.2°F (10.1°C) and an average low-temperature of 36.1°F (2.3°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is computed to be 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 in Belltown Mill is 79%.

How much does it rain in December?

In December, the rain falls for 12.3 days. Throughout December, 3.7" (94mm) of precipitation is accumulated.

How many days does it snow in December?

In Belltown Mill, Tennessee, in December, during 2.4 snowfall days, 0.51" (13mm) of snow is typically 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.

What is the average length of the day in December?

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

When are sunrise and sunset in December?

On the first day of December, 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 5:34 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 Belltown Mill have in December?

The average sunshine duration in December is 5.1h.

When is the lowest UV index?

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

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Belltown Mill, TN

Average temperature in December - Belltown Mill, 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
Belltown Mill, TN

Average pressure in December - Belltown Mill, 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
Belltown Mill, TN

Average wind speed in December - Belltown Mill, 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
Belltown Mill, TN

Average humidity in December - Belltown Mill, 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
Belltown Mill, TN

Average rainfall in December - Belltown Mill, 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
Belltown Mill, TN

Average rainfall days in December - Belltown Mill, 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
Belltown Mill, TN

Average snowfall in December - Belltown Mill, 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
Belltown Mill, TN

Average snowfall days in December - Belltown Mill, 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
Belltown Mill, TN

Average daylight in December / Average sunshine in December - Belltown Mill, 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
Belltown Mill, TN

Average sunshine days in December - Belltown Mill, 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
Belltown Mill, TN

Average UV index in December - Belltown Mill, 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
Belltown Mill, TN

Average cloud cover in December - Belltown Mill, 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
Belltown Mill, TN

Average visibility in December - Belltown Mill, 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).

Belltown Mill, Tennessee, USA

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