December weather forecast
Bluestone, KY

Share

Weather in December

The first month of the winter, December, is still a chilly month in Bluestone, Kentucky, with an average temperature fluctuating between 32.2°F (0.1°C) and 43.7°F (6.5°C).

Temperature

Onset of December comes with a temperature decline, the average high falling from a fresh 52.9°F (11.6°C) in November to a chilly 43.7°F (6.5°C). The nighttime temperature in Bluestone, during December, averages of 32.2°F (0.1°C).

Humidity

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

Rainfall

In Bluestone, in December, during 12.5 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. Throughout the year, there are 166.6 rainfall days, and 30.94" (786mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Bluestone, during December, snow falls for 6.9 days and regularly aggregates up to 2.05" (52mm) of snow. In Bluestone, during the entire year, snow falls for 33.5 days and aggregates up to 11.14" (283mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:32 am and sunset at 5:14 pm. On the last day of December, sunrise is at 7:50 am and sunset at 5:24 pm EST.

Sunshine

The average sunshine in December is 4.1h.

UV index

The months with the lowest UV index are January, February 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 unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Updated: Jun 29, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

In Bluestone, 43.7°F (6.5°C) is the average high-temperature and 32.2°F (0.1°C) is the average low-temperature during December. In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which combines relative humidity and air temperature, is estimated at 95°F (35°C).

What are the most humid months?

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

What is the average humidity in December?

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

How many days does it rain in December in Bluestone?

In Bluestone, in December, during 12.5 rainfall days, 2.99" (76mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 6.9 days. Throughout December, 2.05" (52mm) of snow is accumulated.

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.

What is the average length of the day in December?

In Bluestone, the average day length in December is 9h and 34min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 7:32 am and sunset at 5:14 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:24 pm EST.

How long on average sun shines in December?

The average sunshine duration in December is 4.1h.

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 health vulnerability 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
Bluestone, KY

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

The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (38.7°F).

  • Average low temperature in December: 32.2°F

The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).

Average pressure in December
Bluestone, KY

Average pressure in December - Bluestone, 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
Bluestone, KY

Average wind speed in December - Bluestone, KY
  • Average wind speed in December: 7.1mph

The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.6mph).

Average humidity in December
Bluestone, KY

Average humidity in December - Bluestone, KY
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).

Average rainfall in December
Bluestone, KY

Average rainfall in December - Bluestone, KY
  • Average rainfall in December: 2.99"

The wettest month (with the highest rainfall) is May (3.23").
The driest month (with the least rainfall) is September (1.93").

Average rainfall days in December
Bluestone, KY

Average rainfall days in December - Bluestone, KY
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (10.1 days).

Average snowfall in December
Bluestone, KY

Average snowfall in December - Bluestone, KY
  • Average snowfall in December: 2.05"

The month with the highest snowfall is January (2.6").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Bluestone, KY

Average snowfall days in December - Bluestone, KY
  • Average snowfall days in December: 6.9 days

The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Bluestone, 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 6min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).

Average sunshine days in December
Bluestone, KY

Average sunshine days in December - Bluestone, 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 February (10.8 days).

Average UV index in December
Bluestone, KY

Average UV index in December - Bluestone, 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
Bluestone, KY

Average cloud cover in December - Bluestone, KY
  • Average cloud cover in December: 58

The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Bluestone, KY

Average visibility in December - Bluestone, 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).

Bluestone, Kentucky, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location