December weather forecast
Forest Hills, KY

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Weather in December

The first month of the winter, December, is also a frosty month in Forest Hills, Kentucky, with an average temperature varying between 45.1°F (7.3°C) and 33.1°F (0.6°C).

Temperature

December signifies a minor drop in average high-temperature, transitioning from a fresh 54°F (12.2°C) in November to a frosty 45.1°F (7.3°C). An average low-temperature of 33.1°F (0.6°C) is noted during the nights in December in Forest Hills.

Humidity

The average relative humidity in December is 80%.

Rainfall

In Forest Hills, Kentucky, during December, the rain falls for 11 days and regularly aggregates up to 2.91" (74mm) of precipitation. In Forest Hills, during the entire year, the rain falls for 163.6 days and collects up to 30.43" (773mm) of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In Forest Hills, during December, snow falls for 6 days and regularly aggregates up to 3.9" (99mm) of snow. Throughout the year, in Forest Hills, Kentucky, there are 32.9 snowfall days, and 16.81" (427mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:26 am and sunset at 5:10 pm. On the last day of December, in Forest Hills, Kentucky, sunrise is at 7:44 am and sunset at 5:20 pm EST.

Sunshine

In Forest Hills, the average sunshine in December is 4.5h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Forest Hills. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures in Forest Hills?

December temperatures vary between a high-temperature of 45.1°F (7.3°C) and a low-temperature of 33.1°F (0.6°C). In August, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is calculated to be 93.2°F (34°C).

What is the average humidity in December in Forest Hills?

In December, the average relative humidity in Forest Hills, Kentucky, is 80%.

How many days does it rain in December in Forest Hills?

In Forest Hills, Kentucky, in December, during 11 rainfall days, 2.91" (74mm) of precipitation is typically accumulated.

How many days does it snow in December in Forest Hills?

In Forest Hills, Kentucky, in December, snow falls for 6 days, with typically accumulated 3.9" (99mm) of snow.

What is the month with the shortest days in Forest Hills?

December has the shortest days of the year in Forest Hills, Kentucky, with an average of 9h and 36min of daylight.

What is the average length of the day in December in Forest Hills?

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

When are sunrise and sunset in December in Forest Hills?

On the first day of December in Forest Hills, Kentucky, sunrise is at 7:26 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:44 am and sunset at 5:20 pm EST.

How many hours of sunshine does Forest Hills have in December?

The average sunshine duration in December is 4.5h.

What are the months with the lowest UV index in Forest Hills?

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

What is the UV index intensity in December in Forest Hills?

The average daily maximum UV index in December in Forest Hills, Kentucky, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
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
Forest Hills, KY

Average temperature in December - Forest Hills, KY
  • Average high temperature in December: 45.1°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.1°F).

  • Average low temperature in December: 33.1°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 (26.8°F).

Average pressure in December
Forest Hills, KY

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

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

Average wind speed in December
Forest Hills, KY

Average wind speed in December - Forest Hills, KY
  • Average wind speed in December: 5.8mph

The windiest month (with the highest average wind speed) is April (6.4mph).
The calmest month (with the lowest average wind speed) is August (3.9mph).

Average humidity in December
Forest Hills, KY

Average humidity in December - Forest Hills, KY
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are July, August and November (75%).

Average rainfall in December
Forest Hills, KY

Average rainfall in December - Forest Hills, KY
  • Average rainfall in December: 2.91"

The wettest months (with the highest rainfall) are February and May (3.27").
The driest month (with the least rainfall) is September (1.46").

Average rainfall days in December
Forest Hills, KY

Average rainfall days in December - Forest Hills, KY
  • Average rainfall days in December: 11 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in December
Forest Hills, KY

Average snowfall in December - Forest Hills, KY
  • Average snowfall in December: 3.9"

The month with the highest snowfall is February (4.09").
The months with the least snowfall are June, July, August and September (0").

Average snowfall days in December
Forest Hills, KY

Average snowfall days in December - Forest Hills, KY
  • Average snowfall days in December: 6 days

The month with the highest number of snowfall days is January (9.8 days).
The months with the least snowfall days are June, July, August and September (0 days).

Average daylight in December /
Average sunshine in December
Forest Hills, KY

Average daylight in December / Average sunshine in December - Forest Hills, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Forest Hills, KY

Average sunshine days in December - Forest Hills, KY
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is October (17.7 days).
The month with the least sunshine days is May (10.5 days).

Average UV index in December
Forest Hills, KY

Average UV index in December - Forest Hills, KY
  • Average UV index in December: 2

The months with the highest UV index are June 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
Forest Hills, KY

Average cloud cover in December - Forest Hills, KY
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Forest Hills, KY

Average visibility in December - Forest Hills, 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).

Forest Hills, Kentucky, USA

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