December weather forecast
Poplar Flat, KY

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Weather in December

December, the first month of the winter in Poplar Flat, is still a cold month, with temperature in the range of an average low of 31.1°F (-0.5°C) and an average high of 42.1°F (5.6°C).

Temperature

December's arrival comes with a decrease in the average high-temperature, moving from a fresh 52°F (11.1°C) in November to a cold 42.1°F (5.6°C). The temperature lowers to an average of 31.1°F (-0.5°C) during December nights.

Humidity

The average relative humidity in December is 81%.

Rainfall

In Poplar Flat, during December, the rain falls for 7.7 days and regularly aggregates up to 0.75" (19mm) of precipitation. In Poplar Flat, during the entire year, the rain falls for 101.6 days and collects up to 8.15" (207mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In December, it is snowing for 4.3 days. Throughout December, 0.24" (6mm) of snow is accumulated. In Poplar Flat, during the entire year, snow falls for 21.9 days and aggregates up to 1.57" (40mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 30min of daylight.
On the first day of the month, sunrise is at 7:33 am and sunset at 5:13 pm. On the last day of December, sunrise is at 7:51 am and sunset at 5:23 pm EST.

Sunshine

In Poplar Flat, the average sunshine in December is 4.2h.

UV index

The months with the lowest UV index in Poplar Flat are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the ordinary person.
Note: In December, a regular UV index of 2 translates into these guidelines:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jun 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold is December?

Poplar Flat in December has an average high-temperature of 42.1°F (5.6°C) and an average low-temperature of 31.1°F (-0.5°C). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, is calculated to be 91.4°F (33°C).

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Poplar Flat, in December, during 7.7 rainfall days, 0.75" (19mm) of precipitation is typically accumulated.

How many days does it snow in December?

In December, it is snowing for 4.3 days. Throughout December, 0.24" (6mm) of snow is accumulated.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 9h and 30min of daylight.

What is the average length of the day in December?

In Poplar Flat, the average day length in December is 9h and 31min.

When is the sunrise / sunset in December?

On the first day of December in Poplar Flat, sunrise is at 7:33 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:51 am and sunset at 5:23 pm EST.

How many hours of sunshine does Poplar Flat have in December?

In December, the average sunshine duration is 4.2h.

When is the lowest UV index?

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

What is the UV index intensity in December?

In Poplar Flat, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal hazard to health from unprotected exposure to 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
Poplar Flat, KY

Average temperature in December - Poplar Flat, KY
  • Average high temperature in December: 42.1°F

The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (37°F).

  • Average low temperature in December: 31.1°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 (24.3°F).

Average pressure in December
Poplar Flat, KY

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

The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Poplar Flat, KY

Average wind speed in December - Poplar Flat, KY
  • Average wind speed in December: 7.9mph

The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

Average humidity in December
Poplar Flat, KY

Average humidity in December - Poplar Flat, KY
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The months with the lowest relative humidity are April, August, September, October and November (76%).

Average rainfall in December
Poplar Flat, KY

Average rainfall in December - Poplar Flat, KY
  • Average rainfall in December: 0.75"

The wettest month (with the highest rainfall) is May (0.87").
The driest month (with the least rainfall) is September (0.35").

Average rainfall days in December
Poplar Flat, KY

Average rainfall days in December - Poplar Flat, KY
  • Average rainfall days in December: 7.7 days

The month with the highest number of rainy days is May (11.5 days).
The month with the least rainy days is November (6 days).

Average snowfall in December
Poplar Flat, KY

Average snowfall in December - Poplar Flat, KY
  • Average snowfall in December: 0.24"

The months with the highest snowfall are January and February (0.39").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Poplar Flat, KY

Average snowfall days in December - Poplar Flat, KY
  • Average snowfall days in December: 4.3 days

The month with the highest number of snowfall days is January (6.6 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
Poplar Flat, KY

Average daylight in December / Average sunshine in December - Poplar Flat, KY
  • Average daylight in December: 9h and 3min

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 30min).

  • Average sunshine in December: 4h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).

Average sunshine days in December
Poplar Flat, KY

Average sunshine days in December - Poplar Flat, KY
  • Average sunshine days in December: 20.5 days

The month with the most sunshine days is November (22.3 days).
The month with the least sunshine days is May (15.1 days).

Average UV index in December
Poplar Flat, KY

Average UV index in December - Poplar Flat, KY
  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).

Average cloud cover in December
Poplar Flat, KY

Average cloud cover in December - Poplar Flat, KY
  • Average cloud cover in December: 57

The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Poplar Flat, KY

Average visibility in December - Poplar Flat, KY
  • Average visibility in December: 6mi

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

Poplar Flat, Kentucky, USA

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