December weather forecastPrestonville, KY

December

Weather in December

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

Temperature

December is characterized by a reduction in the average high-temperature, from a cool 52.2°F (11.2°C) in November to a cold 42.4°F (5.8°C). Prestonville's temperature tends to fall to an average low of 31.1°F (-0.5°C) during the nights of December.

Humidity

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

Rainfall

In December, the rain falls for 12 days. Throughout December, 2.83" (72mm) of precipitation is accumulated. Throughout the year, there are 174.2 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In December, it is snowing for 6.8 days. Throughout December, 1.69" (43mm) of snow is accumulated. In Prestonville, during the entire year, snow falls for 29.5 days and aggregates up to 8.74" (222mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:40 am and sunset at 5:19 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:29 pm EST.

Sunshine

In December, the average sunshine is 4.3h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.
Note: The maximum UV index, 2 during December, leads to the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Aug 17, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Prestonville, is 42.4°F (5.8°C) and the average low-temperature is 31.1°F (-0.5°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is computed to be 93.2°F (34°C).

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

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

In Prestonville, in December, it is raining for 12 days, with typically 2.83" (72mm) of accumulated precipitation.

In December, it is snowing for 6.8 days. Throughout December, 1.69" (43mm) of snow is accumulated.

The month with the shortest days is December, with an average of 9h and 30min of daylight.

The average day length in December is 9h and 31min.

In December, on the first day of the month, sunrise is at 7:40 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:29 pm EST.

In December, the average sunshine duration in Prestonville is 4.3h.

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

In December, the average daily maximum UV index is 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Prestonville, 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 (37.2°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).

Average pressure in December
Prestonville, 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).

Average wind speed in December
Prestonville, KY

  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is January (8.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).

Average humidity in December
Prestonville, 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%).

Average rainfall in December
Prestonville, KY

  • Average rainfall in December: 2.83"

The wettest month (with the highest rainfall) is April (4.06").
The driest month (with the least rainfall) is September (2.13").

Average rainfall days in December
Prestonville, KY

  • Average rainfall days in December: 12 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is February (10.4 days).

Average snowfall in December
Prestonville, KY

  • Average snowfall in December: 1.69"

The month with the highest snowfall is February (2.52").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Prestonville, KY

  • Average snowfall days in December: 6.8 days

The month with the highest number of snowfall days is January (8.4 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
Prestonville, KY

  • Average daylight in December: 9h and 30min

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 18min

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

Average sunshine days in December
Prestonville, KY

  • Average sunshine days in December: 13.9 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (9.8 days).

Average UV index in December
Prestonville, 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).

Average cloud cover in December
Prestonville, 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 29).

Average visibility in December
Prestonville, KY

  • Average visibility in December: 5mi

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