December weather forecast
Powderly, KY

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Weather in December

The first month of the winter, December, is still a chilly month in Powderly, Kentucky, with an average temperature varying between 34°F (1.1°C) and 46°F (7.8°C).

Temperature

The transition into December is accompanied by a temperature decrease, with the average high-temperature shifting from a cool 55°F (12.8°C) in November to a frosty 46°F (7.8°C). Powderly in December experiences a low-temperature average of 34°F (1.1°C).

Humidity

The average relative humidity in December is 78%.

Rainfall

In Powderly, in December, during 10.7 rainfall days, 1.77" (45mm) of precipitation is typically accumulated. Throughout the year, there are 150.9 rainfall days, and 23.46" (596mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Powderly, during December, snow falls for 2.9 days and regularly aggregates up to 0.47" (12mm) of snow. In Powderly, during the entire year, snow falls for 16.1 days and aggregates up to 4.45" (113mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:44 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:41 pm CST.

Sunshine

In December, the average sunshine is 4.8h.

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 minimal health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

What are the temperatures in December?

In December, in Powderly, the average high-temperature is 46°F (7.8°C), and the average low-temperature is 34°F (1.1°C). In August, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which calculates the temperature value influenced by the moisture in the air, is calculated to be 96.8°F (36°C).

What is the average humidity in December?

The average relative humidity in December in Powderly is 78%.

How many days does it rain in December?

In Powderly, in December, it is raining for 10.7 days, with typically 1.77" (45mm) of accumulated precipitation.

How much does it snow in December?

In Powderly, during December, snow falls for 2.9 days and regularly aggregates up to 0.47" (12mm) of snow.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 42min of daylight.

How many hours of daylight does Powderly have in December?

In December, the average day length is 9h and 39min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:44 am and sunset at 4:31 pm. On the last day of the month, sunrise is at 7:02 am and sunset at 4:41 pm CST.

How long on average sun shines in December?

In December, the average sunshine duration is 4.8h.

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 Powderly, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health threat 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
Powderly, KY

Average temperature in December - Powderly, KY
  • Average high temperature in December: 46°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 (41.2°F).

  • Average low temperature in December: 34°F

The month with the highest average low temperature is July (68.2°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).

Average pressure in December
Powderly, KY

Average pressure in December - Powderly, 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
Powderly, KY

Average wind speed in December - Powderly, KY
  • Average wind speed in December: 8.4mph

The windiest month (with the highest average wind speed) is February (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.3mph).

Average humidity in December
Powderly, KY

Average humidity in December - Powderly, 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
Powderly, KY

Average rainfall in December - Powderly, KY
  • Average rainfall in December: 1.77"

The wettest month (with the highest rainfall) is February (2.52").
The driest month (with the least rainfall) is September (1.26").

Average rainfall days in December
Powderly, KY

Average rainfall days in December - Powderly, KY
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is July (16.6 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Powderly, KY

Average snowfall in December - Powderly, KY
  • Average snowfall in December: 0.47"

The month with the highest snowfall is February (1.69").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Powderly, KY

Average snowfall days in December - Powderly, KY
  • Average snowfall days in December: 2.9 days

The month with the highest number of snowfall days is January (4.8 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
Powderly, KY

Average daylight in December / Average sunshine in December - Powderly, 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 5min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Powderly, KY

Average sunshine days in December - Powderly, KY
  • Average sunshine days in December: 17.8 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (11.3 days).

Average UV index in December
Powderly, KY

Average UV index in December - Powderly, 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
Powderly, KY

Average cloud cover in December - Powderly, KY
  • Average cloud cover in December: 50

The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).

Average visibility in December
Powderly, KY

Average visibility in December - Powderly, 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).

Powderly, Kentucky, USA

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