December weather forecast
Swamp Branch, KY

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Weather in December

December, the first month of the winter in Swamp Branch, is still a chilly month, with temperature in the range of an average low of 33.1°F (0.6°C) and an average high of 45.3°F (7.4°C).

Temperature

The start of December comes with a small reduction in the average high-temperature, subtly receding from a fresh 54°F (12.2°C) in November to a chilly 45.3°F (7.4°C). Swamp Branch's December nights cool down to an average low-temperature of 33.1°F (0.6°C).

Humidity

The months with the highest humidity are February and December, with an average relative humidity of 80%.

Rainfall

In Swamp Branch, in December, it is raining for 13.3 days, with typically 2.68" (68mm) of accumulated precipitation. Throughout the year, there are 173.4 rainfall days, and 30.24" (768mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Swamp Branch are January through April, October through December. In December, in Swamp Branch, it is snowing for 6.6 days. Throughout December, 2.8" (71mm) of snow is accumulated. Throughout the year, in Swamp Branch, there are 35.6 snowfall days, and 13.82" (351mm) of snow is accumulated.

Daylight

With an average of 9h and 36min of daylight, December has the shortest days of the year in Swamp Branch.
On the first day of December, sunrise is at 7:28 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:23 pm EST.

Sunshine

The average sunshine in December is 4.5h.

UV index

The months with the lowest UV index in Swamp Branch, Kentucky, 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 average individuals.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
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Frequently asked questions

What are the temperatures in Swamp Branch in December?

In Swamp Branch, in December, the average high-temperature is 45.3°F (7.4°C), and the average low-temperature is 33.1°F (0.6°C). In August, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is calculated to be 96.8°F (36°C).

What is the most humid month in Swamp Branch?

February and December, with an average relative humidity of 80%, are most humid months in Swamp Branch, Kentucky.

What is the average humidity in December in Swamp Branch?

The average relative humidity in December in Swamp Branch, Kentucky, is 80%.

How many days does it rain in December in Swamp Branch?

In Swamp Branch, in December, it is raining for 13.3 days, with typically 2.68" (68mm) of accumulated precipitation.

How much does it snow in Swamp Branch in December?

In Swamp Branch, Kentucky, in December, during 6.6 snowfall days, 2.8" (71mm) of snow is typically accumulated.

What is the month with the shortest days in Swamp Branch?

The month with the shortest days in Swamp Branch, Kentucky, is December, with an average of 9h and 36min of daylight.

How many hours of daylight does Swamp Branch have in December?

In December, the average day length is 9h and 37min.

When is the sunrise / sunset in December in Swamp Branch?

On the first day of December in Swamp Branch, sunrise is at 7:28 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:46 am and sunset at 5:23 pm EST.

How many hours of sunshine does Swamp Branch have in December?

The average sunshine duration in December in Swamp Branch, Kentucky, is 4.5h.

When is the lowest UV index in Swamp Branch?

The months with the lowest UV index in Swamp Branch are January, February and December, with an average maximum UV index of 2.

What is the UV index intensity in December in Swamp Branch?

In December, the average daily maximum UV index in Swamp Branch, Kentucky, is 2. A UV Index of 2, and less, symbolizes 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
Swamp Branch, KY

Average temperature in December - Swamp Branch, KY
  • Average high temperature in December: 45.3°F

The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (40.3°F).

  • Average low temperature in December: 33.1°F

The month with the highest average low temperature is July (63.9°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in December
Swamp Branch, KY

Average pressure in December - Swamp Branch, KY
  • Average pressure in December: 30.14"Hg

The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).

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Average wind speed in December
Swamp Branch, KY

Average wind speed in December - Swamp Branch, KY
  • Average wind speed in December: 6.2mph

The windiest months (with the highest average wind speed) are January, February and April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).

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Average humidity in December
Swamp Branch, KY

Average humidity in December - Swamp Branch, KY
  • Average humidity in December: 80%

The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is August (74%).

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Average rainfall in December
Swamp Branch, KY

Average rainfall in December - Swamp Branch, KY
  • Average rainfall in December: 2.68"

The wettest month (with the highest rainfall) is February (3.27").
The driest month (with the least rainfall) is September (1.77").

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Average rainfall days in December
Swamp Branch, KY

Average rainfall days in December - Swamp Branch, KY
  • Average rainfall days in December: 13.3 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.8 days).

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Average snowfall in December
Swamp Branch, KY

Average snowfall in December - Swamp Branch, KY
  • Average snowfall in December: 2.8"

The month with the highest snowfall is February (3.78").
The months with the least snowfall are May, June, July, August and September (0").

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Average snowfall days in December
Swamp Branch, KY

Average snowfall days in December - Swamp Branch, KY
  • Average snowfall days in December: 6.6 days

The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Swamp Branch, KY

Average daylight in December / Average sunshine in December - Swamp Branch, 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 3min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).

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Average sunshine days in December
Swamp Branch, KY

Average sunshine days in December - Swamp Branch, KY
  • Average sunshine days in December: 13.1 days

The month with the most sunshine days is November (16.9 days).
The month with the least sunshine days is February (9.3 days).

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Average UV index in December
Swamp Branch, KY

Average UV index in December - Swamp Branch, 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).

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Average cloud cover in December
Swamp Branch, KY

Average cloud cover in December - Swamp Branch, KY
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).

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Average visibility in December
Swamp Branch, KY

Average visibility in December - Swamp Branch, KY
  • Average visibility in December: 5mi

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

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Swamp Branch, Kentucky, USA

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