December weather - Winter 2024

Weather in December
Frequently asked questions
Average temperature in December
Average pressure in December
Average wind speed in December
Average humidity in December
Average rainfall in December
Average rainfall days in December
Average snowfall in December
Average snowfall days in December
Average daylight in December
Average sunshine in December
Average sunshine days in December
Average UV index in December
Average cloud cover in December
Average visibility in December

Downtown Clrksville in Tennessee, with the hot sun on a very calm day

Weather in December

Wrapping up the year, Clarksville strides into December, marking the onset of the winter season. Temperature lows reach to 34.7°F (1.5°C), a substantial decline from the moderately cool 39.9°F (4.4°C) highs of November. Snowfall makes a comeback in December, cloaking the city with a wintry white canvas. Despite the shorter days, the city enjoys a serene beauty under its winter sun. Pulling the curtains on the year, December's weather in Clarksville transforms the city into a winter wonderland.

Temperature

Start of December brings a shift in the average high-temperature, falling from November's moderate 56.3°F (13.5°C) to a chilly 47.3°F (8.5°C). Clarksville, during December, witnesses an average low-temperature of 34.7°F (1.5°C).

Humidity

The average relative humidity in December in Clarksville is 78%.

Rainfall

In Clarksville, in December, during 12 rainfall days, 3.03" (77mm) of precipitation is typically accumulated. In Clarksville, during the entire year, the rain falls for 171 days and collects up to 34.92" (887mm) of precipitation.

Snowfall

Months with snowfall in Clarksville are January through April, October through December. The month with the most snowfall is December, when snow falls for 2.5 days and typically aggregates up to 1.02" (26mm) of snow.

Daylight

The month with the shortest days in Clarksville is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:43 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:44 pm CST.

Sunshine

The average sunshine in December in Clarksville is 4.7h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Clarksville. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

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Frequently asked questions

What is the temperature in December in Clarksville?

During December, Clarksville experiences an average high-temperature of 47.3°F (8.5°C) and a low-temperature of 34.7°F (1.5°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is calculated to be 86°F (30°C).

What is the average humidity in December in Clarksville?

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

How many days does it rain in December in Clarksville?

In December, in Clarksville, the rain falls for 12 days. Throughout December, 3.03" (77mm) of precipitation is accumulated.

When does it snow the most in Clarksville?

The month with the most snowfall in Clarksville is December, when snow falls for 2.5 days and typically aggregates up to 1.02" (26mm) of snow.

How much does it snow in Clarksville in December?

In December, in Clarksville, it is snowing for 2.5 days. Throughout December, 1.02" (26mm) of snow is accumulated.

What is the month with the shortest days in Clarksville?

With an average of 9h and 42min of daylight, December has the shortest days of the year in Clarksville, Tennessee.

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

In Clarksville, Tennessee, the average day length in December is 9h and 43min.

When is the sunrise / sunset in December in Clarksville?

On the first day of December, sunrise is at 6:43 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 4:44 pm CST.

How long on average sun shines in December in Clarksville?

In Clarksville, Tennessee, the average sunshine duration in December is 4.7h.

What is the month with the lowest UV index in Clarksville?

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 Clarksville?

In December, the average daily maximum UV index in Clarksville, Tennessee, is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

56.3°F 13.5°C

47.3°F 8.5°C

42.6°F 5.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

8.4mph 13.5km/h

8.6mph 13.8km/h

9.2mph 14.8km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

18.2

16.2

15.4

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Clarksville, TN

Average high temperature in December: 47.3°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 (42.6°F).

Average low temperature in December: 34.7°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 (28.9°F).

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Average pressure in December
Clarksville, 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 (29.96"Hg).

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Average wind speed in December
Clarksville, TN

Average wind speed in December: 8.1mph

The windiest month (with the highest average wind speed) is February (8.7mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

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Average humidity in December
Clarksville, 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 (72%).

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Average rainfall in December
Clarksville, TN

Average rainfall in December: 3.03"

The wettest month (with the highest rainfall) is February (3.78").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in December
Clarksville, TN

Average rainfall days in December: 12 days

The month with the highest number of rainy days is July (18.4 days).
The month with the least rainy days is November (10.3 days).

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Average snowfall in December
Clarksville, TN

Average snowfall in December: 1.02"

The month with the highest snowfall is December (1.02").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Clarksville, TN

Average snowfall days in December: 2.5 days

The month with the highest number of snowfall days is January (4 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Clarksville, 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 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 30min).

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Average sunshine days in December
Clarksville, TN

Average sunshine days in December: 16.2 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.4 days).

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Average UV index in December
Clarksville, 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).

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Average cloud cover in December
Clarksville, TN

Average cloud cover in December: 50

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

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Average visibility in December
Clarksville, TN

Average visibility in December: 6mi

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

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December weather forecast
Clarksville, TN

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