December weather forecast
Sparta, MO

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Weather in December

The first month of the winter, December, is also a frosty month in Sparta, Missouri, with an average temperature ranging between max 45°F (7.2°C) and min 30.4°F (-0.9°C).

Temperature

A shift in the average high-temperature occurs in December, reducing from a fresh 55°F (12.8°C) in November to a chilly 45°F (7.2°C). Sparta experiences an average low-temperature reading of 30.4°F (-0.9°C) throughout December.

Humidity

The average relative humidity in December is 75%.

Rainfall

In Sparta, in December, during 7.8 rainfall days, 1.81" (46mm) of precipitation is typically accumulated. Throughout the year, there are 151.2 rainfall days, and 33.62" (854mm) of precipitation is accumulated.

Snowfall

January through May, November and December are months with snowfall. In December, in Sparta, it is snowing for 3.2 days. Throughout December, 0.79" (20mm) of snow is accumulated. Throughout the year, there are 17.7 snowfall days, and 7.17" (182mm) of snow is accumulated.

Daylight

With an average of 9h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 7:07 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:05 pm CST.

Sunshine

The average sunshine in December is 5.4h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Aug 31, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

Sparta in December has an average high-temperature of 45°F (7.2°C) and an average low-temperature of 30.4°F (-0.9°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 calculated to be 98.6°F (37°C).

What is the average humidity in December in Sparta?

In Sparta, Missouri, the average relative humidity in December is 75%.

How many days does it rain in December?

In Sparta, Missouri, in December, it is raining for 7.8 days, with typically 1.81" (46mm) of accumulated precipitation.

How many days does it snow in December?

In Sparta, in December, snow falls for 3.2 days, with typically accumulated 0.79" (20mm) of snow.

What is the month with the shortest days?

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

What is the average length of the day in December?

The average day length in December is 9h and 40min.

When are sunrise and sunset in December?

On the first day of December in Sparta, sunrise is at 7:07 am and sunset at 4:55 pm. On the last day of the month, sunrise is at 7:25 am and sunset at 5:05 pm CST.

How many hours of sunshine does Sparta have in December?

In Sparta, the average sunshine duration in December is 5.4h.

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?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from 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
Sparta, MO

Average temperature in December - Sparta, MO
  • Average high temperature in December: 45°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 (41.9°F).

  • Average low temperature in December: 30.4°F

The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (26.4°F).

Average pressure in December
Sparta, MO

Average pressure in December - Sparta, 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
Sparta, MO

Average wind speed in December - Sparta, MO
  • Average wind speed in December: 8.8mph

The windiest months (with the highest average wind speed) are January, February and March (9.3mph).
The calmest month (with the lowest average wind speed) is July (5.8mph).

Average humidity in December
Sparta, MO

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

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

Average rainfall in December
Sparta, MO

Average rainfall in December - Sparta, MO
  • Average rainfall in December: 1.81"

The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is January (1.65").

Average rainfall days in December
Sparta, MO

Average rainfall days in December - Sparta, MO
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is July (17.7 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Sparta, MO

Average snowfall in December - Sparta, MO
  • Average snowfall in December: 0.79"

The month with the highest snowfall is January (2.36").
The months with the least snowfall are June, July, August, September and October (0").

Average snowfall days in December
Sparta, MO

Average snowfall days in December - Sparta, 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
Sparta, MO

Average daylight in December / Average sunshine in December - Sparta, 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 6min).

Average sunshine days in December
Sparta, MO

Average sunshine days in December - Sparta, MO
  • Average sunshine days in December: 21 days

The month with the most sunshine days is December (21 days).
The month with the least sunshine days is July (10.7 days).

Average UV index in December
Sparta, MO

Average UV index in December - Sparta, 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 and December (UV index 2).

Average cloud cover in December
Sparta, MO

Average cloud cover in December - Sparta, MO
  • Average cloud cover in December: 44

The month with the most cloud cover is March (Cloud cover 48).
The month with the least cloud cover is August (Cloud cover 28).

Average visibility in December
Sparta, MO

Average visibility in December - Sparta, 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).

Sparta, Missouri, USA

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