December weather forecast
Sizerock, KY

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Weather in December

The first month of the winter, December, is also a frosty month in Sizerock, Kentucky, with temperature in the range of an average high of 45.9°F (7.7°C) and an average low of 33.3°F (0.7°C).

Temperature

The onset of December entails a subtle temperature shift, as the average high-temperature eases from a fresh 54.3°F (12.4°C) in November to a chilly 45.9°F (7.7°C). Sizerock, during December, witnesses an average low-temperature of 33.3°F (0.7°C).

Humidity

February and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Sizerock, in December, during 12.6 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Sizerock, during the entire year, the rain falls for 172.6 days and collects up to 31.42" (798mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Sizerock, in December, snow falls for 5.6 days, with typically accumulated 2.28" (58mm) of snow. In Sizerock, during the entire year, snow falls for 29 days and aggregates up to 9.37" (238mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 7:29 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:26 pm EST.

Sunshine

In December, the average sunshine is 4.7h.

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 value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Boost your sun resistance with garments that are densely woven yet spacious. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Updated: Jul 15, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

The average high-temperature, in December, in Sizerock, is 45.9°F (7.7°C), while the average low-temperature is 33.3°F (0.7°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is evaluated at 95°F (35°C).

What is the most humid month?

February and December, with an average relative humidity of 80%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 80%.

How many days does it rain in December in Sizerock?

In December, the rain falls for 12.6 days. Throughout December, 2.99" (76mm) of precipitation is accumulated.

How many days does it snow in December in Sizerock?

In Sizerock, during December, snow falls for 5.6 days and regularly aggregates up to 2.28" (58mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Sizerock have in December?

In December, the average day length in Sizerock is 9h and 39min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 7:29 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:26 pm EST.

How long on average sun shines in December?

In Sizerock, the average sunshine duration in December is 4.7h.

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.

How high is the UV index in December?

The average daily maximum UV index in December is 2. A UV Index value of 2, and less, symbolizes a low health risk 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
Sizerock, KY

Average temperature in December - Sizerock, KY
  • Average high temperature in December: 45.9°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (63.1°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December
Sizerock, KY

Average pressure in December - Sizerock, 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).

Average wind speed in December
Sizerock, KY

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

The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

Average humidity in December
Sizerock, KY

Average humidity in December - Sizerock, KY
  • Average humidity in December: 80%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are April, June, August, September, October and November (76%).

Average rainfall in December
Sizerock, KY

Average rainfall in December - Sizerock, KY
  • Average rainfall in December: 2.99"

The wettest month (with the highest rainfall) is February (3.31").
The driest month (with the least rainfall) is September (1.81").

Average rainfall days in December
Sizerock, KY

Average rainfall days in December - Sizerock, KY
  • Average rainfall days in December: 12.6 days

The month with the highest number of rainy days is May (18.6 days).
The month with the least rainy days is November (11 days).

Average snowfall in December
Sizerock, KY

Average snowfall in December - Sizerock, KY
  • Average snowfall in December: 2.28"

The month with the highest snowfall is February (2.48").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Sizerock, KY

Average snowfall days in December - Sizerock, KY
  • Average snowfall days in December: 5.6 days

The month with the highest number of snowfall days is January (8.8 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sizerock, KY
  • 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: 4h and 4min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Sizerock, KY

Average sunshine days in December - Sizerock, KY
  • Average sunshine days in December: 13.5 days

The month with the most sunshine days is November (16.8 days).
The month with the least sunshine days is February (9.3 days).

Average UV index in December
Sizerock, KY

Average UV index in December - Sizerock, 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).

Average cloud cover in December
Sizerock, KY

Average cloud cover in December - Sizerock, KY
  • Average cloud cover in December: 53

The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Sizerock, KY

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

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

Sizerock, Kentucky, USA

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