December weather forecast
Marionville, MO

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Weather in December

The first month of the winter, December, is still a chilly month in Marionville, Missouri, with an average temperature varying between 30.7°F (-0.7°C) and 45.3°F (7.4°C).

Temperature

The beginning of December marks a decrease in the average high-temperature, transitioning from a cool 55.2°F (12.9°C) in November to a frosty 45.3°F (7.4°C). Throughout December nights, Marionville registers an average low-temperature of 30.7°F (-0.7°C).

Humidity

The average relative humidity in December is 75%.

Rainfall

In Marionville, during December, the rain falls for 7.7 days and regularly aggregates up to 1.93" (49mm) of precipitation. In Marionville, during the entire year, the rain falls for 155.2 days and collects up to 36.5" (927mm) of precipitation.

Snowfall

January through May, November and December are months with snowfall in Marionville. In Marionville, in December, snow falls for 3.2 days, with typically accumulated 1.22" (31mm) of snow. In Marionville, during the entire year, snow falls for 17.6 days and aggregates up to 8.5" (216mm) of snow.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 7:09 am and sunset at 4:57 pm. On the last day of December, in Marionville, sunrise is at 7:27 am and sunset at 5:08 pm CST.

Sunshine

In December, the average sunshine is 5.4h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: A maximum UV index of 2 in December translates into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Jun 22, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Marionville in December?

An average high-temperature, in December, in Marionville, is 45.3°F (7.4°C) and the average low-temperature is 30.7°F (-0.7°C). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines air temperature and relative humidity, in August is calculated to be 98.6°F (37°C).

What is the average humidity in December?

The average relative humidity in December in Marionville is 75%.

How much does it rain in December?

In Marionville, in December, during 7.7 rainfall days, 1.93" (49mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Marionville, in December, during 3.2 snowfall days, 1.22" (31mm) of snow is typically accumulated.

What is the month with the shortest days in Marionville?

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

How many hours of daylight does Marionville have in December?

In Marionville, the average day length in December is 9h and 40min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 7:09 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:27 am and sunset at 5:08 pm CST.

How long on average sun shines in December?

The average sunshine duration in December is 5.4h.

When is the lowest UV index?

January 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 Marionville, Missouri, the average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes 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
Marionville, MO

Average temperature in December - Marionville, MO
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (42.4°F).

  • Average low temperature in December: 30.7°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 (26.6°F).

Average pressure in December
Marionville, MO

Average pressure in December - Marionville, MO
  • 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 (29.93"Hg).

Average wind speed in December
Marionville, MO

Average wind speed in December - Marionville, MO
  • Average wind speed in December: 9.1mph

The windiest months (with the highest average wind speed) are March and April (10.1mph).
The calmest month (with the lowest average wind speed) is July (6.5mph).

Average humidity in December
Marionville, MO

Average humidity in December - Marionville, MO
  • Average humidity in December: 75%

The month with the highest relative humidity is May (78%).
The months with the lowest relative humidity are July, August and October (73%).

Average rainfall in December
Marionville, MO

Average rainfall in December - Marionville, MO
  • Average rainfall in December: 1.93"

The wettest month (with the highest rainfall) is May (5.28").
The driest month (with the least rainfall) is February (1.77").

Average rainfall days in December
Marionville, MO

Average rainfall days in December - Marionville, MO
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Marionville, MO

Average snowfall in December - Marionville, MO
  • Average snowfall in December: 1.22"

The month with the highest snowfall is January (2.64").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Marionville, MO

Average snowfall days in December - Marionville, MO
  • Average snowfall days in December: 3.2 days

The month with the highest number of snowfall days is February (5.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Marionville, MO

Average daylight in December / Average sunshine in December - Marionville, MO
  • Average daylight in December: 9h and 4min

The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 42min).

  • Average sunshine in December: 5h and 2min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 12min).

Average sunshine days in December
Marionville, MO

Average sunshine days in December - Marionville, MO
  • Average sunshine days in December: 21.1 days

The month with the most sunshine days is December (21.1 days).
The month with the least sunshine days is May (11.3 days).

Average UV index in December
Marionville, MO

Average UV index in December - Marionville, MO
  • 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
Marionville, MO

Average cloud cover in December - Marionville, MO
  • Average cloud cover in December: 43

The month with the most cloud cover is March (Cloud cover 48).
The months with the least cloud cover are July and August (Cloud cover 27).

Average visibility in December
Marionville, MO

Average visibility in December - Marionville, 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).

Marionville, Missouri, USA

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