December weather forecast
Decherd, TN

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Weather in December

December, the first month of the winter in Decherd, is still a chilly month, with an average temperature ranging between max 49.6°F (9.8°C) and min 36.1°F (2.3°C).

Temperature

December's arrival coincides with a soft drop in the average high-temperature, subtly decreasing from November's mild 57.2°F (14°C) to a chilly 49.6°F (9.8°C). Decherd cools down to an average low-temperature of 36.1°F (2.3°C) throughout the month of December.

Humidity

The most humid month in Decherd is December, with an average relative humidity of 81%.

Rainfall

In December, the rain falls for 12.5 days. Throughout December, 3.78" (96mm) of precipitation is accumulated. Throughout the year, there are 173.5 rainfall days, and 39.25" (997mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Decherd, in December, during 1.1 snowfall days, 0.43" (11mm) of snow is typically accumulated. In Decherd, during the entire year, snow falls for 7.3 days and aggregates up to 1.89" (48mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 6:35 am and sunset at 4:32 pm. On the last day of December, sunrise is at 6:52 am and sunset at 4:42 pm CST.

Sunshine

The average sunshine in December in Decherd is 4.9h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Decherd. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, the UV index of 2 transforms into the following advice:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. 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 alert! Nearly double the UV rays from the Sun can be reflected by snow.
Updated: Feb 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Decherd in December?

In Decherd, 49.6°F (9.8°C) is the average high-temperature and 36.1°F (2.3°C) is the average low-temperature during December. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is estimated at 84.2°F (29°C).

What is the most humid month in Decherd?

December is the most humid month in Decherd, with an average relative humidity of 81%.

What is the average humidity in December in Decherd?

In Decherd, the average relative humidity in December is 81%.

How many days does it rain in December in Decherd?

In Decherd, Tennessee, in December, it is raining for 12.5 days, with typically 3.78" (96mm) of accumulated precipitation.

How much does it snow in Decherd in December?

In Decherd, in December, during 1.1 snowfall days, 0.43" (11mm) of snow is typically accumulated.

What is the month with the shortest days in Decherd?

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

What is the average length of the day in December in Decherd?

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

What time are sunrise and sunset in December in Decherd?

On the first day of December, sunrise is at 6:35 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 6:52 am and sunset at 4:42 pm CST.

How long on average sun shines in December in Decherd?

In December, the average sunshine duration in Decherd is 4.9h.

What are the months with the lowest UV index in Decherd?

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

What is the UV index reading in December in Decherd?

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents 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
Decherd, TN

Average temperature in December - Decherd, TN
  • Average high temperature in December: 49.6°F

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (45.3°F).

  • Average low temperature in December: 36.1°F

The month with the highest average low temperature is July (66.7°F).
The coldest month (with the lowest average low temperature) is January (31.3°F).

Average pressure in December
Decherd, TN

Average pressure in December - Decherd, 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
Decherd, TN

Average wind speed in December - Decherd, TN
  • Average wind speed in December: 7mph

The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in December
Decherd, TN

Average humidity in December - Decherd, TN
  • Average humidity in December: 81%

The month with the highest relative humidity is December (81%).
The months with the lowest relative humidity are October and November (75%).

Average rainfall in December
Decherd, TN

Average rainfall in December - Decherd, TN
  • Average rainfall in December: 3.78"

The wettest month (with the highest rainfall) is February (4.17").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Decherd, TN

Average rainfall days in December - Decherd, TN
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (9.4 days).

Average snowfall in December
Decherd, TN

Average snowfall in December - Decherd, TN
  • Average snowfall in December: 0.43"

The month with the highest snowfall is January (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Decherd, TN

Average snowfall days in December - Decherd, TN
  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is January (2.2 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
Decherd, TN

Average daylight in December / Average sunshine in December - Decherd, 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: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Decherd, TN

Average sunshine days in December - Decherd, TN
  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in December
Decherd, TN

Average UV index in December - Decherd, 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 and December (UV index 2).

Average cloud cover in December
Decherd, TN

Average cloud cover in December - Decherd, TN
  • Average cloud cover in December: 50

The month with the most cloud cover is February (Cloud cover 53).
The month with the least cloud cover is June (Cloud cover 31).

Average visibility in December
Decherd, TN

Average visibility in December - Decherd, TN
  • Average visibility in December: 6mi

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

Decherd, Tennessee, USA

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