December weather forecast
Clarkson Valley, MO

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Weather in December

The first month of the winter, December, is still a chilly month in Clarkson Valley, Missouri, with an average temperature varying between 43°F (6.1°C) and 30°F (-1.1°C).

Temperature

Setting in of December comes with a decrease in the average high-temperature, moving from a cool 53.6°F (12°C) in November to a frosty 43°F (6.1°C). Clarkson Valley's temperature lowers to a mean of 30°F (-1.1°C) during the nights in December.

Humidity

The average relative humidity in December is 76%.

Rainfall

In Clarkson Valley, Missouri, in December, during 7.2 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. Throughout the year, there are 139.6 rainfall days, and 26.1" (663mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Clarkson Valley are January through March, November and December. In Clarkson Valley, in December, during 3.5 snowfall days, 1.06" (27mm) of snow is typically accumulated. In Clarkson Valley, during the entire year, snow falls for 18.9 days and aggregates up to 4.92" (125mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year.
On the first day of December in Clarkson Valley, Missouri, sunrise is at 7:01 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:51 pm CST.

Sunshine

In December, the average sunshine in Clarkson Valley, Missouri, is 4.9h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Clarkson Valley. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The maximum UV index of 2 during December leads to these instructions:
Unlike children, who always need sun protection, most individuals can remain in the sun for up to an hour without getting burnt. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
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Frequently asked questions

Is December cold in Clarkson Valley?

The high-temperature, in December, in Clarkson Valley, records 43°F (6.1°C), while the low-temperature is 30°F (-1.1°C). In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines relative humidity and air temperature, is computed to be 96.8°F (36°C).

What is the average humidity in December in Clarkson Valley?

In December, the average relative humidity in Clarkson Valley, Missouri, is 76%.

How much does it rain in Clarkson Valley in December?

In Clarkson Valley, Missouri, in December, it is raining for 7.2 days, with typically 1.5" (38mm) of accumulated precipitation.

How many days does it snow in December in Clarkson Valley?

In Clarkson Valley, Missouri, during December, snow falls for 3.5 days and regularly aggregates up to 1.06" (27mm) of snow.

What is the month with the shortest days in Clarkson Valley?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Clarkson Valley, Missouri.

What is the average length of the day in December in Clarkson Valley?

The average day length in December in Clarkson Valley, Missouri, is 9h and 31min.

What time are sunrise and sunset in December in Clarkson Valley?

On the first day of December, sunrise is at 7:01 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 7:20 am and sunset at 4:51 pm CST.

How long on average sun shines in December in Clarkson Valley?

The average sunshine duration in December in Clarkson Valley is 4.9h.

What is the month with the lowest UV index in Clarkson Valley?

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

What is the UV index intensity in December in Clarkson Valley?

In Clarkson Valley, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health 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
Clarkson Valley, MO

Average temperature in December - Clarkson Valley, MO
  • Average high temperature in December: 43°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 (37.8°F).

  • Average low temperature in December: 30°F

The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).

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Average pressure in December
Clarkson Valley, MO

Average pressure in December - Clarkson Valley, MO
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.92"Hg).

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Average wind speed in December
Clarkson Valley, MO

Average wind speed in December - Clarkson Valley, MO
  • Average wind speed in December: 8.3mph

The windiest month (with the highest average wind speed) is January (8.9mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

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Average humidity in December
Clarkson Valley, MO

Average humidity in December - Clarkson Valley, MO
  • Average humidity in December: 76%

The month with the highest relative humidity is May (78%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Clarkson Valley, MO

Average rainfall in December - Clarkson Valley, MO
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is May (3.19").
The driest month (with the least rainfall) is February (1.3").

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Average rainfall days in December
Clarkson Valley, MO

Average rainfall days in December - Clarkson Valley, MO
  • Average rainfall days in December: 7.2 days

The month with the highest number of rainy days is May (16.3 days).
The month with the least rainy days is January (6.8 days).

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Average snowfall in December
Clarkson Valley, MO

Average snowfall in December - Clarkson Valley, MO
  • Average snowfall in December: 1.06"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are April, May, June, July, August, September and October (0").

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Average snowfall days in December
Clarkson Valley, MO

Average snowfall days in December - Clarkson Valley, MO
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (6.7 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
Clarkson Valley, MO

Average daylight in December / Average sunshine in December - Clarkson Valley, MO
  • Average daylight in December: 9h and 3min

The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 5min

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

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Average sunshine days in December
Clarkson Valley, MO

Average sunshine days in December - Clarkson Valley, MO
  • Average sunshine days in December: 20.2 days

The months with the most sunshine days are January and December (20.2 days).
The month with the least sunshine days is June (12 days).

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Average UV index in December
Clarkson Valley, MO

Average UV index in December - Clarkson Valley, MO
  • 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 January, February, November and December (UV index 2).

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Average cloud cover in December
Clarkson Valley, MO

Average cloud cover in December - Clarkson Valley, MO
  • Average cloud cover in December: 47

The month with the most cloud cover is January (Cloud cover 49).
The months with the least cloud cover are July and August (Cloud cover 27).

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Average visibility in December
Clarkson Valley, MO

Average visibility in December - Clarkson Valley, 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).

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Clarkson Valley, Missouri, USA

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