December weather forecast
Acorn Hill, TN

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Weather in December

The first month of the winter, December, is also a frosty month in Acorn Hill, Tennessee, with temperature in the range of an average low of 35.4°F (1.9°C) and an average high of 48.2°F (9°C).

Temperature

The beginning of December brings a slight decrease in the average high-temperature, transitioning from a moderate 56.7°F (13.7°C) in November to a frosty 48.2°F (9°C). In the month of December, Acorn Hill's average low-temperature falls to a wintry 35.4°F (1.9°C).

Humidity

March, May and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Acorn Hill, during December, the rain falls for 12.8 days and regularly aggregates up to 3.07" (78mm) of precipitation. In Acorn Hill, during the entire year, the rain falls for 173.2 days and collects up to 38.03" (966mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Acorn Hill, during December, snow falls for 2.4 days and regularly aggregates up to 0.59" (15mm) of snow. Throughout the year, there are 11.4 snowfall days, and 3.86" (98mm) of snow is accumulated.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:42 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:45 pm CST.

Sunshine

The average sunshine in December is 4.7h.

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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the UV index of 2 transforms into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Avoiding the Sun during its peak radiation time around midday is a healthy practice. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.

Frequently asked questions

What is the average December temperature?

During December, Acorn Hill experiences an average high-temperature of 48.2°F (9°C) and a low-temperature of 35.4°F (1.9°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in September is appraised at 86°F (30°C).

What is the most humid month?

The months with the highest humidity are March, May and December, with an average relative humidity of 79%.

What is the average humidity in December?

In Acorn Hill, the average relative humidity in December is 79%.

How much does it rain in December?

In Acorn Hill, in December, it is raining for 12.8 days, with typically 3.07" (78mm) of accumulated precipitation.

How much does it snow in December?

In December, it is snowing for 2.4 days. Throughout December, 0.59" (15mm) of snow is accumulated.

What is the month with the shortest days?

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

How many hours of daylight does Acorn Hill have in December?

In December, the average day length is 9h and 45min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:42 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 4:45 pm CST.

How many hours of sunshine does Acorn Hill have in December?

In Acorn Hill, the average sunshine duration in December is 4.7h.

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.

What is the UV index intensity in December?

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

Average temperature in December - Acorn Hill, TN
  • Average high temperature in December: 48.2°F

The warmest month (with the highest average high temperature) is July (87.4°F).
The month with the lowest average high temperature is January (43.9°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (68.7°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in December
Acorn Hill, TN

Average pressure in December - Acorn Hill, 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 (29.96"Hg).

Average wind speed in December
Acorn Hill, TN

Average wind speed in December - Acorn Hill, TN
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).

Average humidity in December
Acorn Hill, TN

Average humidity in December - Acorn Hill, TN
  • Average humidity in December: 79%

The months with the highest relative humidity are March, May and December (79%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Acorn Hill, TN

Average rainfall in December - Acorn Hill, TN
  • Average rainfall in December: 3.07"

The wettest month (with the highest rainfall) is July (4.21").
The driest month (with the least rainfall) is September (2.28").

Average rainfall days in December
Acorn Hill, TN

Average rainfall days in December - Acorn Hill, TN
  • Average rainfall days in December: 12.8 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in December
Acorn Hill, TN

Average snowfall in December - Acorn Hill, TN
  • Average snowfall in December: 0.59"

The month with the highest snowfall is March (0.98").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Acorn Hill, TN

Average snowfall days in December - Acorn Hill, TN
  • Average snowfall days in December: 2.4 days

The month with the highest number of snowfall days is January (3.3 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
Acorn Hill, TN

Average daylight in December / Average sunshine in December - Acorn Hill, 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 4min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Acorn Hill, TN

Average sunshine days in December - Acorn Hill, TN
  • Average sunshine days in December: 15.9 days

The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is July (8.9 days).

Average UV index in December
Acorn Hill, TN

Average UV index in December - Acorn Hill, 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
Acorn Hill, TN

Average cloud cover in December - Acorn Hill, TN
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 29).

Average visibility in December
Acorn Hill, TN

Average visibility in December - Acorn Hill, TN
  • Average visibility in December: 6mi

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

Acorn Hill, Tennessee, USA

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