December weather forecast
Couchville, TN

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Weather in December

The first month of the winter, December, is still a chilly month in Couchville, Tennessee, with temperature in the range of an average low of 35.6°F (2°C) and an average high of 48.9°F (9.4°C).

Temperature

The transition into December is accompanied by a slight temperature decrease, with the average high-temperature shifting from a moderate 57.4°F (14.1°C) in November to a frosty 48.9°F (9.4°C). December witnesses an average nighttime temperature of 35.6°F (2°C) in Couchville, Tennessee.

Humidity

With an average relative humidity of 78%, December is the most humid month in Couchville.

Rainfall

In December, the rain falls for 11.8 days. Throughout December, 2.28" (58mm) of precipitation is accumulated. Throughout the year, there are 169.9 rainfall days, and 31.3" (795mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Couchville, in December, during 3 snowfall days, 0.35" (9mm) of snow is typically accumulated. In Couchville, Tennessee, during the entire year, snow falls for 14.6 days and aggregates up to 2.99" (76mm) of snow.

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 6:39 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:42 pm CST.

Sunshine

In December, the average sunshine 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 low health risk from exposure to the Sun's UV radiation for the average person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

An average high-temperature, in December, in Couchville, is 48.9°F (9.4°C) and the average low-temperature is 35.6°F (2°C). In September, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is calculated to be 86°F (30°C).

What is the most humid month?

December is the most humid month in Couchville, with an average relative humidity of 78%.

What is the average humidity in December?

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

How many days does it rain in December?

In Couchville, in December, it is raining for 11.8 days, with typically 2.28" (58mm) of accumulated precipitation.

How many days does it snow in December in Couchville?

In December, it is snowing for 3 days. Throughout December, 0.35" (9mm) 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 Couchville have in December?

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

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:39 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:42 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.7h.

When is 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 reading in December?

In Couchville, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes 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
Couchville, TN

Average temperature in December - Couchville, TN
  • Average high temperature in December: 48.9°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (44.1°F).

  • Average low temperature in December: 35.6°F

The month with the highest average low temperature is July (69.8°F).
The coldest month (with the lowest average low temperature) is January (30.6°F).

Average pressure in December
Couchville, TN

Average pressure in December - Couchville, 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 (29.97"Hg).

Average wind speed in December
Couchville, TN

Average wind speed in December - Couchville, TN
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is February (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.6mph).

Average humidity in December
Couchville, TN

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

The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Couchville, TN

Average rainfall in December - Couchville, TN
  • Average rainfall in December: 2.28"

The wettest month (with the highest rainfall) is July (4.02").
The driest month (with the least rainfall) is November (1.77").

Average rainfall days in December
Couchville, TN

Average rainfall days in December - Couchville, TN
  • Average rainfall days in December: 11.8 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in December
Couchville, TN

Average snowfall in December - Couchville, TN
  • Average snowfall in December: 0.35"

The month with the highest snowfall is January (0.94").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Couchville, TN

Average snowfall days in December - Couchville, TN
  • Average snowfall days in December: 3 days

The month with the highest number of snowfall days is January (4.7 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
Couchville, TN

Average daylight in December / Average sunshine in December - Couchville, 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 months with the least sunshine are January and February (Average sunshine: 4h and 36min).

Average sunshine days in December
Couchville, TN

Average sunshine days in December - Couchville, TN
  • Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in December
Couchville, TN

Average UV index in December - Couchville, 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
Couchville, TN

Average cloud cover in December - Couchville, TN
  • Average cloud cover in December: 51

The month with the most cloud cover is February (Cloud cover 53).
The months with the least cloud cover are June and August (Cloud cover 29).

Average visibility in December
Couchville, TN

Average visibility in December - Couchville, 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).

Couchville, Tennessee, USA

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