December weather forecast
Garrett, KY

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Weather in December

The first month of the winter, December, is still a chilly month in Garrett, Kentucky, with an average temperature fluctuating between 45.5°F (7.5°C) and 33.1°F (0.6°C).

Temperature

A subtle decrease in the average high-temperature marks December, falling from November's fresh 54.5°F (12.5°C) to a chilly 45.5°F (7.5°C). December's average low-temperature reading settles at a wintry 33.1°F (0.6°C).

Humidity

In Garrett, the average relative humidity in December is 79%.

Rainfall

In Garrett, in December, during 13.5 rainfall days, 3.23" (82mm) of precipitation is typically accumulated. Throughout the year, there are 181.8 rainfall days, and 33.43" (849mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Garrett, during December, snow falls for 6.7 days and regularly aggregates up to 3.23" (82mm) of snow. Throughout the year, there are 35.7 snowfall days, and 14.09" (358mm) of snow is accumulated.

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 7:27 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:23 pm EST.

Sunshine

The average sunshine in December is 4.6h.

UV index

January, February 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 unsafe exposure to UV radiation for average individuals.
Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. To protect against the Sun's most potent rays, avoid direct exposure around midday. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Updated: Jul 13, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

During December, Garrett experiences an average high-temperature of 45.5°F (7.5°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 factors the actual air temperature with the relative humidity, is estimated at 96.8°F (36°C).

What is the average humidity in December?

The average relative humidity in December is 79%.

How much does it rain in December?

In Garrett, in December, it is raining for 13.5 days, with typically 3.23" (82mm) of accumulated precipitation.

How much does it snow in Garrett in December?

In Garrett, during December, snow falls for 6.7 days and regularly aggregates up to 3.23" (82mm) 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 Garrett have in December?

The average day length in December is 9h and 38min.

What time are sunrise and sunset in December in Garrett?

In December, on the first day of the month, sunrise is at 7:27 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:45 am and sunset at 5:23 pm EST.

How many hours of sunshine does Garrett have in December?

In December, the average sunshine duration is 4.6h.

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.

What is the UV index reading in December?

In Garrett, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents 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
Garrett, KY

Average temperature in December - Garrett, KY
  • Average high temperature in December: 45.5°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 (40.6°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December
Garrett, KY

Average pressure in December - Garrett, 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
Garrett, KY

Average wind speed in December - Garrett, KY
  • Average wind speed in December: 6mph

The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Garrett, KY

Average humidity in December - Garrett, KY
  • Average humidity in December: 79%

The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).

Average rainfall in December
Garrett, KY

Average rainfall in December - Garrett, KY
  • Average rainfall in December: 3.23"

The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Garrett, KY

Average rainfall days in December - Garrett, KY
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (11.4 days).

Average snowfall in December
Garrett, KY

Average snowfall in December - Garrett, KY
  • Average snowfall in December: 3.23"

The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Garrett, KY

Average snowfall days in December - Garrett, KY
  • Average snowfall days in December: 6.7 days

The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Garrett, 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 August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).

Average sunshine days in December
Garrett, KY

Average sunshine days in December - Garrett, KY
  • Average sunshine days in December: 12.3 days

The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (8.3 days).

Average UV index in December
Garrett, KY

Average UV index in December - Garrett, 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
Garrett, KY

Average cloud cover in December - Garrett, KY
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Garrett, KY

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

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

Garrett, Kentucky, USA

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