December weather forecast
Decoy, KY

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Weather in December

December, the first month of the winter in Decoy, is still a chilly month, with an average temperature ranging between max 45°F (7.2°C) and min 33.3°F (0.7°C).

Temperature

The beginning of December brings a slight decrease in the average high-temperature, transitioning from a cool 54°F (12.2°C) in November to a chilly 45°F (7.2°C). Throughout December, Decoy witnesses a consistent average low-temperature of 33.3°F (0.7°C).

Humidity

In December, the average relative humidity is 79%.

Rainfall

In Decoy, in December, it is raining for 13.6 days, with typically 3.39" (86mm) of accumulated precipitation. In Decoy, during the entire year, the rain falls for 178 days and collects up to 35.47" (901mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall in Decoy. In Decoy, in December, snow falls for 8.3 days, with typically accumulated 3.35" (85mm) of snow. In Decoy, during the entire year, snow falls for 39.8 days and aggregates up to 17.32" (440mm) of snow.

Daylight

The month with the shortest days in Decoy is December, with an average of 9h and 36min of daylight.
On the first day of December in Decoy, sunrise is at 7:28 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:24 pm EST.

Sunshine

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 Decoy. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Counter UV radiation's ill effects with clothing designed for sun safety and UV-resistant eyewear. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the usual temperature for Decoy in December?

The average high-temperature and low-temperature in Decoy, Kentucky, during December are 45°F (7.2°C) and 33.3°F (0.7°C) respectively. The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines air temperature and relative humidity, in August is evaluated at 96.8°F (36°C).

What is the average humidity in December in Decoy?

The average relative humidity in December in Decoy, Kentucky, is 79%.

How many days does it rain in December in Decoy?

In December, in Decoy, Kentucky, the rain falls for 13.6 days. Throughout December, 3.39" (86mm) of precipitation is accumulated.

How many days does it snow in December in Decoy?

In Decoy, in December, snow falls for 8.3 days, with typically accumulated 3.35" (85mm) of snow.

What is the month with the shortest days in Decoy?

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

What is the average length of the day in December in Decoy?

In December, the average day length is 9h and 38min.

When is the sunrise / sunset in December in Decoy?

On the first day of December in Decoy, sunrise is at 7:28 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:24 pm EST.

How many hours of sunshine does Decoy have in December?

In Decoy, Kentucky, the average sunshine duration in December is 4.5h.

When is the lowest UV index in Decoy?

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

What is the UV index reading in December in Decoy?

In Decoy, Kentucky, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's 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
Decoy, KY

Average temperature in December - Decoy, KY
  • Average high temperature in December: 45°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).

Average pressure in December
Decoy, KY

Average pressure in December - Decoy, 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
Decoy, KY

Average wind speed in December - Decoy, KY
  • Average wind speed in December: 6.3mph

The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Decoy, KY

Average humidity in December - Decoy, 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
Decoy, KY

Average rainfall in December - Decoy, KY
  • Average rainfall in December: 3.39"

The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Decoy, KY

Average rainfall days in December - Decoy, KY
  • Average rainfall days in December: 13.6 days

The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).

Average snowfall in December
Decoy, KY

Average snowfall in December - Decoy, KY
  • Average snowfall in December: 3.35"

The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Decoy, KY

Average snowfall days in December - Decoy, KY
  • Average snowfall days in December: 8.3 days

The month with the highest number of snowfall days is January (11.7 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
Decoy, KY

Average daylight in December / Average sunshine in December - Decoy, 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 months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

Average sunshine days in December
Decoy, KY

Average sunshine days in December - Decoy, KY
  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).

Average UV index in December
Decoy, KY

Average UV index in December - Decoy, 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
Decoy, KY

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

The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Decoy, KY

Average visibility in December - Decoy, 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).

Decoy, Kentucky, USA

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