December weather forecast
Gardner, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Gardner, Tennessee, with an average temperature ranging between min 35.4°F (1.9°C) and max 47.5°F (8.6°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's mild 56.3°F (13.5°C) to a chilly 47.5°F (8.6°C). An average low-temperature of 35.4°F (1.9°C) is expected during December.

Humidity

In Gardner, the average relative humidity in December is 78%.

Rainfall

In Gardner, during December, the rain falls for 12 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Gardner, during the entire year, the rain falls for 158.8 days and collects up to 34.72" (882mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Gardner, in December, snow falls for 1.5 days, with typically accumulated 0.51" (13mm) of snow. In Gardner, during the entire year, snow falls for 10.7 days and aggregates up to 4.13" (105mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of the month, sunrise is at 6:49 am and sunset at 4:40 pm. On the last day of December, sunrise is at 7:06 am and sunset at 4:50 pm CST.

Sunshine

The average sunshine in December in Gardner is 4.9h.

UV index

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 threat to health from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Enhance your sun protection with tightly woven, yet airy clothing. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

In Gardner, in December, the average high-temperature is 47.5°F (8.6°C), and the average low-temperature is 35.4°F (1.9°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 86°F (30°C).

What is the average humidity in December?

The average relative humidity in December is 78%.

How much does it rain in December?

In December, the rain falls for 12 days. Throughout December, 2.95" (75mm) of precipitation is accumulated.

How much does it snow in December?

In Gardner, Tennessee, in December, snow falls for 1.5 days, with typically accumulated 0.51" (13mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

How many hours of daylight does Gardner have in December?

The average day length in December is 9h and 44min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:49 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:06 am and sunset at 4:50 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 4.9h.

When is the lowest UV index?

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

What is the UV index reading 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 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
Gardner, TN

Average temperature in December - Gardner, TN
  • Average high temperature in December: 47.5°F

The warmest month (with the highest average high temperature) is July (88°F).
The month with the lowest average high temperature is January (43.3°F).

  • Average low temperature in December: 35.4°F

The month with the highest average low temperature is July (70.2°F).
The coldest month (with the lowest average low temperature) is January (30.4°F).

Average pressure in December
Gardner, TN

Average pressure in December - Gardner, 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 (29.95"Hg).

Average wind speed in December
Gardner, TN

Average wind speed in December - Gardner, TN
  • Average wind speed in December: 8.6mph

The windiest months (with the highest average wind speed) are January, February and April (9.1mph).
The calmest month (with the lowest average wind speed) is July (5.5mph).

Average humidity in December
Gardner, TN

Average humidity in December - Gardner, TN
  • Average humidity in December: 78%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Gardner, TN

Average rainfall in December - Gardner, TN
  • Average rainfall in December: 2.95"

The wettest month (with the highest rainfall) is February (4.09").
The driest month (with the least rainfall) is September (1.38").

Average rainfall days in December
Gardner, TN

Average rainfall days in December - Gardner, TN
  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December
Gardner, TN

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

The month with the highest snowfall is March (1.34").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Gardner, TN

Average snowfall days in December - Gardner, TN
  • Average snowfall days in December: 1.5 days

The months with the highest number of snowfall days are January and February (3.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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

Average daylight in December / Average sunshine in December - Gardner, TN
  • Average daylight in December: 9h and 4min

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 42min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Gardner, TN

Average sunshine days in December - Gardner, TN
  • Average sunshine days in December: 17.3 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (11.9 days).

Average UV index in December
Gardner, TN

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

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

Average cloud cover in December
Gardner, TN

Average cloud cover in December - Gardner, 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 26).

Average visibility in December
Gardner, TN

Average visibility in December - Gardner, 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).

Gardner, Tennessee, USA

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