December weather forecast
The Rocks, KY

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Weather in December

December, the first month of the winter in The Rocks, is also a frosty month, with temperature in the range of an average high of 44.6°F (7°C) and an average low of 32.9°F (0.5°C).

Temperature

The Rocks's progression into December involves a drop in the average high-temperature, receding from a fresh 54.1°F (12.3°C) in November to a frosty 44.6°F (7°C). The temperature lowers to an average of 32.9°F (0.5°C) during December nights.

Humidity

The average relative humidity in December is 78%.

Rainfall

In The Rocks, in December, it is raining for 10.4 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 146.3 rainfall days, and 24.96" (634mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall. In The Rocks, in December, during 3.5 snowfall days, 0.63" (16mm) of snow is typically accumulated. In The Rocks, during the entire year, snow falls for 15.9 days and aggregates up to 3.58" (91mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 36min of daylight.
On the first day of December, sunrise is at 6:49 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:44 pm CST.

Sunshine

The average sunshine in December is 4.7h.

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 low threat to health from exposure to the Sun's UV radiation for the average person.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Updated: Jun 27, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in December?

The high-temperature during December is 44.6°F (7°C) and the low-temperature is 32.9°F (0.5°C). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 95°F (35°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

How much does it rain in The Rocks in December?

In The Rocks, in December, during 10.4 rainfall days, 2.05" (52mm) of precipitation is typically accumulated.

How much does it snow in December?

In The Rocks, in December, snow falls for 3.5 days, with typically accumulated 0.63" (16mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 36min of daylight.

What is the average length of the day in December?

In The Rocks, Kentucky, the average day length in December is 9h and 37min.

What time are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:49 am and sunset at 4:34 pm. On the last day of the month, in The Rocks, sunrise is at 7:07 am and sunset at 4:44 pm CST.

How long on average sun shines in December?

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

What are the months with 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 in The Rocks is 2. A UV Index estimate of 2, and below, represents a low health threat 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
The Rocks, KY

Average temperature in December - The Rocks, KY
  • Average high temperature in December: 44.6°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 (39.7°F).

  • Average low temperature in December: 32.9°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 (26.8°F).

Average pressure in December
The Rocks, KY

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
The Rocks, KY

Average wind speed in December - The Rocks, KY
  • Average wind speed in December: 9.1mph

The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).

Average humidity in December
The Rocks, KY

Average humidity in December - The Rocks, KY
  • Average humidity in December: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
The Rocks, KY

Average rainfall in December - The Rocks, KY
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.14").

Average rainfall days in December
The Rocks, KY

Average rainfall days in December - The Rocks, KY
  • Average rainfall days in December: 10.4 days

The month with the highest number of rainy days is May (16.7 days).
The month with the least rainy days is November (9 days).

Average snowfall in December
The Rocks, KY

Average snowfall in December - The Rocks, KY
  • Average snowfall in December: 0.63"

The month with the highest snowfall is February (0.87").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
The Rocks, KY

Average snowfall days in December - The Rocks, KY
  • Average snowfall days in December: 3.5 days

The month with the highest number of snowfall days is January (4.8 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
The Rocks, KY

Average daylight in December / Average sunshine in December - The Rocks, 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 36min).

  • Average sunshine in December: 4h and 4min

The month with the most sunshine is July (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
The Rocks, KY

Average sunshine days in December - The Rocks, KY
  • Average sunshine days in December: 17.2 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is May (11.2 days).

Average UV index in December
The Rocks, KY

Average UV index in December - The Rocks, 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
The Rocks, KY

Average cloud cover in December - The Rocks, KY
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 51).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
The Rocks, KY

Average visibility in December - The Rocks, KY
  • 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).

The Rocks, Kentucky, USA

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