December weather forecast
Clarksville, MO

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Weather in December

The first month of the winter, December, is also an icy month in Clarksville, Missouri, with an average temperature ranging between max 40.5°F (4.7°C) and min 28.2°F (-2.1°C).

Temperature

Clarksville in December demonstrates a small temperature transition, adjusting from an average high of a fresh 51.6°F (10.9°C) in November to an icy 40.5°F (4.7°C). Clarksville experiences an average low-temperature of 28.2°F (-2.1°C) in month of December.

Humidity

In Clarksville, the average relative humidity in December is 77%.

Rainfall

In Clarksville, in December, during 7.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, in Clarksville, there are 142.7 rainfall days, and 27.64" (702mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall in Clarksville. In Clarksville, during December, snow falls for 4.5 days and regularly aggregates up to 1.38" (35mm) of snow. Throughout the year, in Clarksville, there are 26.1 snowfall days, and 9.45" (240mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 24min of daylight.
On the first day of December, sunrise is at 7:05 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:50 pm CST.

Sunshine

The average sunshine in December is 4.8h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.
Note: In December, an average UV index of 2 transforms into the following instructions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December in Clarksville?

In December, in Clarksville, the average high-temperature is 40.5°F (4.7°C), and the average low-temperature is 28.2°F (-2.1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 93.2°F (34°C).

What is the average humidity in December in Clarksville?

In Clarksville, Missouri, the average relative humidity in December is 77%.

How much does it rain in Clarksville in December?

In Clarksville, in December, during 7.6 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

How much does it snow in Clarksville in December?

In December, in Clarksville, it is snowing for 4.5 days. Throughout December, 1.38" (35mm) of snow is accumulated.

What is the month with the shortest days in Clarksville?

The month with the shortest days in Clarksville, Missouri, is December, with an average of 9h and 24min of daylight.

How many hours of daylight does Clarksville have in December?

The average day length in December is 9h and 27min.

What time are sunrise and sunset in December in Clarksville?

On the first day of December, sunrise is at 7:05 am and sunset at 4:40 pm. On the last day of the month, sunrise is at 7:23 am and sunset at 4:50 pm CST.

How long on average sun shines in December in Clarksville?

In Clarksville, the average sunshine duration in December is 4.8h.

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

The months with the lowest UV index in Clarksville, Missouri, are January, February, November and December, with an average maximum UV index of 2.

What is the UV index reading in December in Clarksville?

In December, the average daily maximum UV index in Clarksville, Missouri, is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
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
Clarksville, MO

Average temperature in December - Clarksville, MO
  • Average high temperature in December: 40.5°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (34.9°F).

  • Average low temperature in December: 28.2°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (22.1°F).

Average pressure in December
Clarksville, MO

Average pressure in December - Clarksville, MO
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).

Average wind speed in December
Clarksville, MO

Average wind speed in December - Clarksville, MO
  • Average wind speed in December: 9.3mph

The windiest months (with the highest average wind speed) are January and February (9.7mph).
The calmest month (with the lowest average wind speed) is July (6mph).

Average humidity in December
Clarksville, MO

Average humidity in December - Clarksville, MO
  • Average humidity in December: 77%

The month with the highest relative humidity is May (81%).
The month with the lowest relative humidity is October (71%).

Average rainfall in December
Clarksville, MO

Average rainfall in December - Clarksville, MO
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (3.5").
The driest month (with the least rainfall) is February (1.46").

Average rainfall days in December
Clarksville, MO

Average rainfall days in December - Clarksville, MO
  • Average rainfall days in December: 7.6 days

The month with the highest number of rainy days is May (17.3 days).
The months with the least rainy days are January and February (6.3 days).

Average snowfall in December
Clarksville, MO

Average snowfall in December - Clarksville, MO
  • Average snowfall in December: 1.38"

The month with the highest snowfall is January (3.03").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Clarksville, MO

Average snowfall days in December - Clarksville, MO
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (8.5 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
Clarksville, MO

Average daylight in December / Average sunshine in December - Clarksville, MO
  • Average daylight in December: 9h and 2min

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 24min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The months with the least sunshine are January and February (Average sunshine: 4h and 30min).

Average sunshine days in December
Clarksville, MO

Average sunshine days in December - Clarksville, MO
  • Average sunshine days in December: 19.2 days

The month with the most sunshine days is December (19.2 days).
The month with the least sunshine days is June (10.9 days).

Average UV index in December
Clarksville, MO

Average UV index in December - Clarksville, MO
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Clarksville, MO

Average cloud cover in December - Clarksville, MO
  • Average cloud cover in December: 49

The month with the most cloud cover is January (Cloud cover 52).
The months with the least cloud cover are June, July, August and September (Cloud cover 30).

Average visibility in December
Clarksville, MO

Average visibility in December - Clarksville, MO
  • 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).

Clarksville, Missouri, USA

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