December weather forecast
Flagg Spring, KY

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Weather in December

The first month of the winter, December, is also an icy month in Flagg Spring, Kentucky, with an average temperature ranging between max 41.9°F (5.5°C) and min 30.9°F (-0.6°C).

Temperature

December's onset corresponds with a shift in the average high-temperature, moving from a cool 51.4°F (10.8°C) in November to an icy 41.9°F (5.5°C). Flagg Spring records an average temperature drop to a subzero cold 30.9°F (-0.6°C) in December.

Humidity

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

Rainfall

In Flagg Spring, in December, during 12.5 rainfall days, 2.68" (68mm) of precipitation is typically accumulated. Throughout the year, in Flagg Spring, there are 168.4 rainfall days, and 31.85" (809mm) of precipitation is accumulated.

Snowfall

January through April, October through December are months with snowfall. In Flagg Spring, in December, during 8.4 snowfall days, 2.2" (56mm) of snow is typically accumulated. Throughout the year, in Flagg Spring, Kentucky, there are 35.9 snowfall days, and 10.39" (264mm) of snow is accumulated.

Daylight

With an average of 9h and 30min of daylight, December has the shortest days of the year in Flagg Spring.
On the first day of December, sunrise is at 7:37 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:25 pm EST.

Sunshine

The average sunshine in December in Flagg Spring is 4h.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Flagg Spring, Kentucky. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the ordinary person.
Note: In December, a daily UV index of 2 turns into the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Updated: Feb 12, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

How cold does it get in Flagg Spring in December?

Flagg Spring in December has an average high-temperature of 41.9°F (5.5°C) and an average low-temperature of 30.9°F (-0.6°C). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which represents the influence of relative humidity on air temperature, is estimated at 89.6°F (32°C).

What are the most humid months in Flagg Spring?

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

What is the average humidity in December in Flagg Spring?

The average relative humidity in December in Flagg Spring is 81%.

How much does it rain in Flagg Spring in December?

In Flagg Spring, Kentucky, during December, the rain falls for 12.5 days and regularly aggregates up to 2.68" (68mm) of precipitation.

How many days does it snow in December in Flagg Spring?

In Flagg Spring, Kentucky, in December, during 8.4 snowfall days, 2.2" (56mm) of snow is typically accumulated.

What is the month with the shortest days in Flagg Spring?

With an average of 9h and 30min of daylight, December has the shortest days of the year in Flagg Spring.

How many hours of daylight does Flagg Spring have in December?

In Flagg Spring, Kentucky, the average day length in December is 9h and 30min.

What time are sunrise and sunset in December in Flagg Spring?

On the first day of December in Flagg Spring, sunrise is at 7:37 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:55 am and sunset at 5:25 pm EST.

How many hours of sunshine does Flagg Spring have in December?

In Flagg Spring, Kentucky, the average sunshine duration in December is 4h.

When is the lowest UV index in Flagg Spring?

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

What is the UV index reading in December in Flagg Spring?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability 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
Flagg Spring, KY

Average temperature in December - Flagg Spring, KY
  • Average high temperature in December: 41.9°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 (36.1°F).

  • Average low temperature in December: 30.9°F

The month with the highest average low temperature is July (65.3°F).
The coldest month (with the lowest average low temperature) is January (23.7°F).

Average pressure in December
Flagg Spring, KY

Average pressure in December - Flagg Spring, KY
  • Average pressure in December: 30.13"Hg

The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).

Average wind speed in December
Flagg Spring, KY

Average wind speed in December - Flagg Spring, KY
  • Average wind speed in December: 8mph

The windiest month (with the highest average wind speed) is January (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).

Average humidity in December
Flagg Spring, KY

Average humidity in December - Flagg Spring, KY
  • Average humidity in December: 81%

The months with the highest relative humidity are January, February and December (81%).
The months with the lowest relative humidity are August, September and October (75%).

Average rainfall in December
Flagg Spring, KY

Average rainfall in December - Flagg Spring, KY
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is May (3.74").
The driest month (with the least rainfall) is September (1.85").

Average rainfall days in December
Flagg Spring, KY

Average rainfall days in December - Flagg Spring, KY
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is May (18.9 days).
The month with the least rainy days is November (10 days).

Average snowfall in December
Flagg Spring, KY

Average snowfall in December - Flagg Spring, KY
  • Average snowfall in December: 2.2"

The month with the highest snowfall is January (2.68").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Flagg Spring, KY

Average snowfall days in December - Flagg Spring, KY
  • Average snowfall days in December: 8.4 days

The month with the highest number of snowfall days is January (10.7 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
Flagg Spring, KY

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

The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).

  • Average sunshine in December: 4h and 0min

The month with the most sunshine is July (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).

Average sunshine days in December
Flagg Spring, KY

Average sunshine days in December - Flagg Spring, KY
  • Average sunshine days in December: 12.1 days

The month with the most sunshine days is October (17.5 days).
The month with the least sunshine days is May (10.2 days).

Average UV index in December
Flagg Spring, KY

Average UV index in December - Flagg Spring, 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
Flagg Spring, KY

Average cloud cover in December - Flagg Spring, 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 29).

Average visibility in December
Flagg Spring, KY

Average visibility in December - Flagg Spring, KY
  • Average visibility in December: 6mi

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

Flagg Spring, Kentucky, USA

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