December weather forecast
Jackson, KY

Weather in December

December, the first month of the winter in Jackson, is still a chilly month, with an average temperature varying between 45°F (7.2°C) and 33.3°F (0.7°C).

Temperature

In Jackson, the average high-temperature in December slightly decreases from a cool 54°F (12.2°C) in November to a chilly 45°F (7.2°C). In Jackson, the average low-temperature is 33.3°F (0.7°C).

Humidity

In Jackson, the average relative humidity in December is 79%.

Rainfall

In Jackson, Kentucky, during December, the rain falls for 13.6 days and regularly aggregates up to 3.39" (86mm) of precipitation. In Jackson, during the entire year, the rain falls for 178 days and collects up to 35.47" (901mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Jackson, Kentucky. In December, it is snowing for 8.3 days. Throughout December, 3.35" (85mm) of snow is accumulated. Throughout the year, in Jackson, there are 39.8 snowfall days, and 17.32" (440mm) of snow is accumulated.

Daylight

With an average of 9h and 37min of daylight, December has the shortest days of the year in Jackson, Kentucky.
On the first day of the month, sunrise is at 7:29 am and sunset at 5:15 pm. On the last day of December, in Jackson, sunrise is at 7:48 am and sunset at 5:25 pm EST.

Sunshine

In December, the average sunshine is 4.5h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The average daily UV index of 2 in December transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Jackson?

The average relative humidity in December in Jackson, Kentucky, is 79%.

How much does it rain in Jackson in December?

In Jackson, Kentucky, during December, the rain falls for 13.6 days and regularly aggregates up to 3.39" (86mm) of precipitation.

How many days does it snow in December in Jackson?

In Jackson, in December, during 8.3 snowfall days, 3.35" (85mm) of snow is typically accumulated.

What is the month with the shortest days in Jackson?

December has the shortest days of the year in Jackson, with an average of 9h and 37min of daylight.

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

The average day length in December in Jackson is 9h and 37min.

When is the sunrise / sunset in December in Jackson?

On the first day of December, sunrise is at 7:29 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:25 pm EST.

How many hours of sunshine does Jackson have in December?

In Jackson, the average sunshine duration in December is 4.5h.

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

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Jackson, Kentucky.

What is the UV index reading in December in Jackson?

In December, the average daily maximum UV index in Jackson is 2. A UV Index value of 2, and less, symbolizes a low health threat from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Jackson, KY

Average temperature in December - Jackson, KY
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

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Average pressure in December
Jackson, KY

Average pressure in December - Jackson, KY
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in December
Jackson, KY

Average wind speed in December - Jackson, KY
  • Average wind speed in December: 6.3mph

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

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Average humidity in December
Jackson, KY

Average humidity in December - Jackson, KY
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).

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Average rainfall in December
Jackson, KY

Average rainfall in December - Jackson, KY
  • Average rainfall in December: 3.39"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

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Average rainfall days in December
Jackson, KY

Average rainfall days in December - Jackson, KY
  • Average rainfall days in December: 13.6 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).

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Average snowfall in December
Jackson, KY

Average snowfall in December - Jackson, KY
  • Average snowfall in December: 3.35"

The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Jackson, KY

Average snowfall days in December - Jackson, KY
  • Average snowfall days in December: 8.3 days

The month with the highest number of snowfall days is January (11.7 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
Jackson, KY

Average daylight in December / Average sunshine in December - Jackson, KY
  • Average daylight in December: 9h and 37min

The month with the longest days is June (Average daylight: 14h and 43min).
The month with the shortest days is December (Average daylight: 9h and 37min).

  • Average sunshine in December: 4h and 30min

The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in December
Jackson, KY

Average sunshine days in December - Jackson, KY
  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).

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Average UV index in December
Jackson, KY

Average UV index in December - Jackson, KY
  • 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, February and December (UV index 2).

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Average cloud cover in December
Jackson, KY

Average cloud cover in December - Jackson, KY
  • Average cloud cover in December: 54

The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

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Average visibility in December
Jackson, KY

Average visibility in December - Jackson, KY
  • Average visibility in December: 5mi

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

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