December weather forecast
Mountain Top, KY

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Weather in December

December, the first month of the winter in Mountain Top, is also a frosty month, with an average temperature ranging between max 43.7°F (6.5°C) and min 32°F (0°C).

Temperature

December comes with a decrease in the average high-temperature, falling from a fresh 52.9°F (11.6°C) in November to a chilly 43.7°F (6.5°C). In December, Mountain Top experiences an average nighttime temperature of 32°F (0°C).

Humidity

In December, the average relative humidity is 80%.

Rainfall

December is the month with the most rainfall. Rain falls for 12.7 days and accumulates 3.15" (80mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Mountain Top, in December, during 7.2 snowfall days, 2.17" (55mm) of snow is typically accumulated. In Mountain Top, during the entire year, snow falls for 35.9 days and aggregates up to 11.93" (303mm) 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 the month, sunrise is at 7:31 am and sunset at 5:12 pm. On the last day of December, sunrise is at 7:49 am and sunset at 5:22 pm EST.

Sunshine

In Mountain Top, the average sunshine in December is 4.2h.

UV index

The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for average individuals.
Note: A typical high UV index of 2 in December suggests the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is it in Mountain Top in December?

The high-temperature during December is 43.7°F (6.5°C) and the low-temperature is 32°F (0°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is estimated at 95°F (35°C).

What is the average humidity in December?

In December, the average relative humidity is 80%.

What is the wettest month?

December is the month with the most rainfall. Rain falls for 12.7 days and accumulates 3.15" (80mm) of precipitation.

How much does it rain in December?

In December, the rain falls for 12.7 days. Throughout December, 3.15" (80mm) of precipitation is accumulated.

How much does it snow in December?

In Mountain Top, during December, snow falls for 7.2 days and regularly aggregates up to 2.17" (55mm) 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.

How many hours of daylight does Mountain Top have in December?

The average day length in December is 9h and 33min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:22 pm EST.

How many hours of sunshine does Mountain Top have in December?

The average sunshine duration in December is 4.2h.

When is the lowest UV index?

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

What is the UV index reading in December?

In December, the average daily maximum UV index in Mountain Top is 2. A UV Index reading of 2, and below, represents a low health risk from 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
Mountain Top, KY

Average temperature in December - Mountain Top, KY
  • Average high temperature in December: 43.7°F

The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 32°F

The month with the highest average low temperature is July (64.8°F).
The coldest month (with the lowest average low temperature) is January (25.5°F).

Average pressure in December
Mountain Top, KY

Average pressure in December - Mountain Top, 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 (29.96"Hg).

Average wind speed in December
Mountain Top, KY

Average wind speed in December - Mountain Top, KY
  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is January (7.5mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).

Average humidity in December
Mountain Top, KY

Average humidity in December - Mountain Top, KY
  • Average humidity in December: 80%

The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (74%).

Average rainfall in December
Mountain Top, KY

Average rainfall in December - Mountain Top, KY
  • Average rainfall in December: 3.15"

The wettest month (with the highest rainfall) is December (3.15").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Mountain Top, KY

Average rainfall days in December - Mountain Top, KY
  • Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is November (10.6 days).

Average snowfall in December
Mountain Top, KY

Average snowfall in December - Mountain Top, KY
  • Average snowfall in December: 2.17"

The month with the highest snowfall is January (2.99").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Mountain Top, KY

Average snowfall days in December - Mountain Top, KY
  • Average snowfall days in December: 7.2 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
Mountain Top, KY

Average daylight in December / Average sunshine in December - Mountain Top, KY
  • Average daylight in December: 9h and 4min

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 36min).

  • Average sunshine in December: 4h and 1min

The months with the most sunshine are June and August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Mountain Top, KY

Average sunshine days in December - Mountain Top, KY
  • Average sunshine days in December: 13.3 days

The month with the most sunshine days is October (16.9 days).
The month with the least sunshine days is February (9.8 days).

Average UV index in December
Mountain Top, KY

Average UV index in December - Mountain Top, 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, November and December (UV index 2).

Average cloud cover in December
Mountain Top, KY

Average cloud cover in December - Mountain Top, KY
  • Average cloud cover in December: 57

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
Mountain Top, KY

Average visibility in December - Mountain Top, KY
  • Average visibility in December: 5mi

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

Mountain Top, Kentucky, USA

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