December weather forecast
Goodnight, KY

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Weather in December

The first month of the winter, December, is still a chilly month in Goodnight, Kentucky, with an average temperature varying between 46.2°F (7.9°C) and 33.8°F (1°C).

Temperature

A minor decrease in the average high-temperature is observed during December, shifting from a fresh 55°F (12.8°C) in November to a frosty 46.2°F (7.9°C). Throughout December, the nighttime temperature averages to an icy 33.8°F (1°C).

Humidity

February, March, May and December, with an average relative humidity of 79%, are the most humid months.

Rainfall

In Goodnight, during December, the rain falls for 11.6 days and regularly aggregates up to 2.52" (64mm) of precipitation. In Goodnight, during the entire year, the rain falls for 164.2 days and collects up to 33.39" (848mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Goodnight, in December, snow falls for 4.5 days, with typically accumulated 0.94" (24mm) of snow. Throughout the year, there are 21.7 snowfall days, and 6.65" (169mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:38 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:36 pm CST.

Sunshine

In Goodnight, 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. A UV Index estimate of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation. Notice this! Nearly double the intensity of the Sun's UV radiation can be caused by snow reflection.

Frequently asked questions

What is the average December temperature?

An average high-temperature, in December, in Goodnight, is 46.2°F (7.9°C) and the average low-temperature is 33.8°F (1°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in August is appraised at 95°F (35°C).

What are the most humid months?

The months with the highest humidity in Goodnight are February, March, May and December, with an average relative humidity of 79%.

What is the average humidity in December?

In December, the average relative humidity is 79%.

How many days does it rain in December in Goodnight?

In December, the rain falls for 11.6 days. Throughout December, 2.52" (64mm) of precipitation is accumulated.

How many days does it snow in December?

In Goodnight, in December, during 4.5 snowfall days, 0.94" (24mm) of snow is typically accumulated.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 9h and 42min of daylight.

What is the average length of the day in December?

The average day length in December is 9h and 40min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:38 am and sunset at 4:26 pm. On the last day of the month, sunrise is at 6:56 am and sunset at 4:36 pm CST.

How many hours of sunshine does Goodnight have in December?

The average sunshine duration in December is 4.5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal hazard to health 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
Goodnight, KY

Average temperature in December - Goodnight, KY
  • Average high temperature in December: 46.2°F

The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (41.4°F).

  • Average low temperature in December: 33.8°F

The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in December
Goodnight, KY

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

The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).

Average wind speed in December
Goodnight, KY

Average wind speed in December - Goodnight, KY
  • Average wind speed in December: 7.7mph

The windiest month (with the highest average wind speed) is February (8.5mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in December
Goodnight, KY

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

The months with the highest relative humidity are February, March, May and December (79%).
The month with the lowest relative humidity is October (75%).

Average rainfall in December
Goodnight, KY

Average rainfall in December - Goodnight, KY
  • Average rainfall in December: 2.52"

The wettest month (with the highest rainfall) is July (3.66").
The driest month (with the least rainfall) is September (2.05").

Average rainfall days in December
Goodnight, KY

Average rainfall days in December - Goodnight, KY
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is November (9.9 days).

Average snowfall in December
Goodnight, KY

Average snowfall in December - Goodnight, KY
  • Average snowfall in December: 0.94"

The month with the highest snowfall is February (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Goodnight, KY

Average snowfall days in December - Goodnight, KY
  • Average snowfall days in December: 4.5 days

The month with the highest number of snowfall days is January (6.4 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
Goodnight, KY

Average daylight in December / Average sunshine in December - Goodnight, 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 42min).

  • Average sunshine in December: 4h and 3min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The months with the least sunshine are January and February (Average sunshine: 4h and 18min).

Average sunshine days in December
Goodnight, KY

Average sunshine days in December - Goodnight, KY
  • Average sunshine days in December: 15.5 days

The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is July (10.8 days).

Average UV index in December
Goodnight, KY

Average UV index in December - Goodnight, 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
Goodnight, KY

Average cloud cover in December - Goodnight, KY
  • Average cloud cover in December: 53

The months with the most cloud cover are January and February (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December
Goodnight, KY

Average visibility in December - Goodnight, KY
  • Average visibility in December: 6mi

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

Goodnight, Kentucky, USA

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