December weather forecast
Coffman, KY

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Weather in December

December, the first month of the winter in Coffman, is also a frosty month, with an average temperature fluctuating between 45.7°F (7.6°C) and 33.8°F (1°C).

Temperature

The onset of December is marked by a decrease in temperature, transitioning from a cool 54.9°F (12.7°C) in November to a chilly 45.7°F (7.6°C). During the nights in December, Coffman experiences a consistent average temperature of 33.8°F (1°C).

Humidity

In December, the average relative humidity is 78%.

Rainfall

In December, the rain falls for 7.4 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. In Coffman, during the entire year, the rain falls for 114.1 days and collects up to 10.63" (270mm) of precipitation.

Snowfall

Months with snowfall are January through April, November and December. In Coffman, in December, during 2.1 snowfall days, 0.08" (2mm) of snow is typically accumulated. Throughout the year, there are 12.5 snowfall days, and 1.34" (34mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 9h and 36min of daylight.
On the first day of December in Coffman, sunrise is at 6:44 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:40 pm CST.

Sunshine

In December, the average sunshine in Coffman is 4.6h.

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 minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. The Sun's radiation is especially intense around midday; try to stay in shade during this period. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.

Frequently asked questions

What are the temperatures in December?

The high-temperature, in December, in Coffman, is 45.7°F (7.6°C), while the low-temperature averages to 33.8°F (1°C). The average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, in August is evaluated at 96.8°F (36°C).

What is the average humidity in December?

In December, the average relative humidity is 78%.

How many days does it rain in December?

In Coffman, in December, during 7.4 rainfall days, 0.79" (20mm) of precipitation is typically accumulated.

How many days does it snow in December?

In Coffman, in December, during 2.1 snowfall days, 0.08" (2mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 36min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

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

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:44 am and sunset at 4:30 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:40 pm CST.

How many hours of sunshine does Coffman have in December?

The average sunshine duration in December is 4.6h.

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?

In Coffman, 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 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
Coffman, KY

Average temperature in December - Coffman, KY
  • Average high temperature in December: 45.7°F

The warmest month (with the highest average high temperature) is July (86°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in December: 33.8°F

The month with the highest average low temperature is July (68°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in December
Coffman, KY

Average pressure in December - Coffman, 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 (29.95"Hg).

Average wind speed in December
Coffman, KY

Average wind speed in December - Coffman, KY
  • Average wind speed in December: 8.6mph

The windiest month (with the highest average wind speed) is February (9.2mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).

Average humidity in December
Coffman, KY

Average humidity in December - Coffman, KY
  • Average humidity in December: 78%

The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (72%).

Average rainfall in December
Coffman, KY

Average rainfall in December - Coffman, KY
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is February (1.18").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in December
Coffman, KY

Average rainfall days in December - Coffman, KY
  • Average rainfall days in December: 7.4 days

The month with the highest number of rainy days is July (13.1 days).
The month with the least rainy days is November (6.9 days).

Average snowfall in December
Coffman, KY

Average snowfall in December - Coffman, KY
  • Average snowfall in December: 0.08"

The month with the highest snowfall is February (0.63").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Coffman, KY

Average snowfall days in December - Coffman, KY
  • Average snowfall days in December: 2.1 days

The month with the highest number of snowfall days is January (3.7 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
Coffman, KY

Average daylight in December / Average sunshine in December - Coffman, 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 months with the most sunshine are June, July and August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).

Average sunshine days in December
Coffman, KY

Average sunshine days in December - Coffman, KY
  • Average sunshine days in December: 20.6 days

The month with the most sunshine days is November (21.8 days).
The month with the least sunshine days is July (14.8 days).

Average UV index in December
Coffman, KY

Average UV index in December - Coffman, 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
Coffman, KY

Average cloud cover in December - Coffman, KY
  • Average cloud cover in December: 51

The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is June (Cloud cover 28).

Average visibility in December
Coffman, KY

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

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

Coffman, Kentucky, USA

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