December weather forecast
Sparta, KY

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Weather in December

December, the first month of the winter in Sparta, is also a wintry month, with an average temperature varying between 42.4°F (5.8°C) and 31.1°F (-0.5°C).

Temperature

Sparta's transition into December involves a shift in temperature, receding from a fresh 51.8°F (11°C) in November to a wintry 42.4°F (5.8°C). December in Sparta sees the temperature falling to a mean low of 31.1°F (-0.5°C).

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Sparta, in December, during 8.9 rainfall days, 0.79" (20mm) of precipitation is typically accumulated. Throughout the year, in Sparta, there are 121.2 rainfall days, and 10.87" (276mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Sparta are January through April, November and December. The month with the most snowfall in Sparta is December, when snow falls for 4.8 days and typically aggregates up to 0.47" (12mm) of snow.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Sparta.
On the first day of the month, sunrise is at 7:39 am and sunset at 5:18 pm. On the last day of December, in Sparta, sunrise is at 7:57 am and sunset at 5:28 pm EST.

Sunshine

In December, the average sunshine is 4.3h.

UV index

The months with the lowest UV index in Sparta 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 radiation for the ordinary person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

Is it cold in Sparta during December?

The high-temperature, in December, in Sparta, is 42.4°F (5.8°C), while the low-temperature averages to 31.1°F (-0.5°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, in August is evaluated at 93.2°F (34°C).

What are the most humid months in Sparta?

The months with the highest humidity in Sparta are February and December, with an average relative humidity of 81%.

What is the average humidity in December in Sparta?

In Sparta, Kentucky, the average relative humidity in December is 81%.

How much does it rain in Sparta in December?

In Sparta, in December, it is raining for 8.9 days, with typically 0.79" (20mm) of accumulated precipitation.

What is the snowiest month in Sparta?

The month with the most snowfall is December, when snow falls for 4.8 days and typically aggregates up to 0.47" (12mm) of snow.

How much does it snow in Sparta in December?

In Sparta, in December, during 4.8 snowfall days, 0.47" (12mm) of snow is typically accumulated.

What is the month with the shortest days in Sparta?

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

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

In December, the average day length in Sparta is 9h and 31min.

When is the sunrise / sunset in December in Sparta?

On the first day of December in Sparta, Kentucky, sunrise is at 7:39 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:28 pm EST.

How long on average sun shines in December in Sparta?

The average sunshine duration in December is 4.3h.

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

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

How high is the UV index in December in Sparta?

In Sparta, Kentucky, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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, KY

Average temperature in December - Sparta, KY
  • Average high temperature in December: 42.4°F

The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.4°F).

  • Average low temperature in December: 31.1°F

The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).

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Average pressure in December
Sparta, KY

Average pressure in December - Sparta, KY
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

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Average wind speed in December
Sparta, KY

Average wind speed in December - Sparta, KY
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (4.9mph).

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Average humidity in December
Sparta, KY

Average humidity in December - Sparta, KY
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).

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Average rainfall in December
Sparta, KY

Average rainfall in December - Sparta, KY
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is September (0.55").

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Average rainfall days in December
Sparta, KY

Average rainfall days in December - Sparta, KY
  • Average rainfall days in December: 8.9 days

The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.8 days).

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Average snowfall in December
Sparta, KY

Average snowfall in December - Sparta, KY
  • Average snowfall in December: 0.47"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Sparta, KY

Average snowfall days in December - Sparta, KY
  • Average snowfall days in December: 4.8 days

The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Sparta, KY

Average daylight in December / Average sunshine in December - Sparta, KY
  • 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 2min

The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in December
Sparta, KY

Average sunshine days in December - Sparta, KY
  • Average sunshine days in December: 18.6 days

The months with the most sunshine days are October and November (21 days).
The month with the least sunshine days is May (13.6 days).

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Average UV index in December
Sparta, KY

Average UV index in December - Sparta, KY
  • 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).

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Average cloud cover in December
Sparta, KY

Average cloud cover in December - Sparta, KY
  • Average cloud cover in December: 56

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Sparta, KY

Average visibility in December - Sparta, KY
  • Average visibility in December: 6mi

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

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Sparta, Kentucky, USA

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