December weather forecast
Olde Mill, TN

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Weather in December

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

Temperature

December brings a slight decrease in the average high-temperature, shifting from a mild 57.6°F (14.2°C) in November to a cool 50.2°F (10.1°C). The month of December records an average low-temperature of 36.1°F (2.3°C).

Humidity

The most humid month is December, with an average relative humidity of 80%.

Rainfall

The months with the most rainfall are February and December, with an average 1.18" (30mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 2.9 snowfall days, and 0.47" (12mm) 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 7:31 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:39 pm EST.

Sunshine

The month with the least sunshine is December, with an average of 5h 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 estimate of 2, and below, represents a low threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: In December, the maximum UV index of 2 suggests this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Updated: Aug 21, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Olde Mill in December?

In Olde Mill, in December, the average high-temperature is 50.2°F (10.1°C), and the average low-temperature is 36.1°F (2.3°C). The average heat index (a.k.a. 'feels like', 'real feel'), which combines air temperature and relative humidity, in September is evaluated at 86°F (30°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 80%.

What is the average humidity in December?

In Olde Mill, the average relative humidity in December is 80%.

What is the rainiest month?

The months with the most rainfall are February and December, with an average 1.18" (30mm) of precipitation.

How much does it rain in December?

In Olde Mill, in December, it is raining for 8.3 days, with typically 1.18" (30mm) of accumulated precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days in Olde Mill?

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

How many hours of daylight does Olde Mill have in December?

In December, the average day length is 9h and 50min.

When is the sunrise / sunset in December in Olde Mill?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:28 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:39 pm EST.

What is the month with the least sunshine?

The month with the least sunshine is December, with an average of 5h of sunshine.

How many hours of sunshine does Olde Mill have in December?

In Olde Mill, the average sunshine duration in December is 5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Olde Mill, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Olde Mill, TN

Average temperature in December - Olde Mill, TN
  • Average high temperature in December: 50.2°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 (46°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (66.6°F).
The coldest month (with the lowest average low temperature) is January (30.9°F).

Average pressure in December
Olde Mill, TN

Average pressure in December - Olde Mill, 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 (29.98"Hg).

Average wind speed in December
Olde Mill, TN

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

The windiest month (with the highest average wind speed) is February (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).

Average humidity in December
Olde Mill, TN

Average humidity in December - Olde Mill, TN
  • Average humidity in December: 80%

The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are June, October and November (75%).

Average rainfall in December
Olde Mill, TN

Average rainfall in December - Olde Mill, TN
  • Average rainfall in December: 1.18"

The wettest months (with the highest rainfall) are February and December (1.18").
The driest month (with the least rainfall) is September (0.43").

Average rainfall days in December
Olde Mill, TN

Average rainfall days in December - Olde Mill, TN
  • Average rainfall days in December: 8.3 days

The month with the highest number of rainy days is July (11.7 days).
The month with the least rainy days is October (6.1 days).

Average snowfall in December
Olde Mill, TN

Average snowfall in December - Olde Mill, TN
  • Average snowfall in December: 0.04"

The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Olde Mill, TN

Average snowfall days in December - Olde Mill, TN
  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.3 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
Olde Mill, TN

Average daylight in December / Average sunshine in December - Olde 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 0min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Olde Mill, TN

Average sunshine days in December - Olde Mill, TN
  • Average sunshine days in December: 21.3 days

The month with the most sunshine days is October (23.6 days).
The month with the least sunshine days is July (16.8 days).

Average UV index in December
Olde Mill, TN

Average UV index in December - Olde 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
Olde Mill, TN

Average cloud cover in December - Olde Mill, TN
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Olde Mill, TN

Average visibility in December - Olde Mill, TN
  • Average visibility in December: 5mi

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

Olde Mill, Tennessee, USA

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