December weather forecast
Cecilia, KY

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Weather in December

The first month of the winter, December, is also a frosty month in Cecilia, Kentucky, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 45.1°F (7.3°C).

Temperature

Cecilia in December demonstrates a small temperature transition, adjusting from an average high of a cool 54.1°F (12.3°C) in November to a chilly 45.1°F (7.3°C). The temperature lowers to an average of 32.9°F (0.5°C) during December nights.

Humidity

February and December, with an average relative humidity of 80%, are the most humid months in Cecilia.

Rainfall

In Cecilia, in December, during 11.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Cecilia, there are 163.1 rainfall days, and 32.72" (831mm) of precipitation is accumulated.

Snowfall

January through April, November and December are months with snowfall in Cecilia. In Cecilia, in December, during 5.8 snowfall days, 1.22" (31mm) of snow is typically accumulated. In Cecilia, Kentucky, during the entire year, snow falls for 25.4 days and aggregates up to 7.52" (191mm) of snow.

Daylight

December has the shortest days of the year in Cecilia, Kentucky, with an average of 9h and 36min of daylight.
On the first day of the month, sunrise is at 7:40 am and sunset at 5:25 pm. On the last day of December, in Cecilia, sunrise is at 7:58 am and sunset at 5:35 pm EST.

Sunshine

With an average of 4.4h of sunshine, December has the least sunshine of the year in Cecilia.

UV index

January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cecilia. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.
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. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Frequently asked questions

What are December temperatures in Cecilia?

In Cecilia, 45.1°F (7.3°C) is the average high-temperature and 32.9°F (0.5°C) is the average low-temperature during December. The average heat index (a.k.a. 'apparent temperature', 'real feel'), which factors the actual air temperature with the relative humidity, in August is computed to be 95°F (35°C).

What is the most humid month in Cecilia?

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

What is the average humidity in December in Cecilia?

The average relative humidity in December in Cecilia is 80%.

How many days does it rain in December in Cecilia?

In Cecilia, in December, it is raining for 11.6 days, with typically 2.48" (63mm) of accumulated precipitation.

How much does it snow in Cecilia in December?

In Cecilia, during December, snow falls for 5.8 days and regularly aggregates up to 1.22" (31mm) of snow.

What is the month with the shortest days in Cecilia?

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

What is the average length of the day in December in Cecilia?

The average day length in December in Cecilia is 9h and 37min.

When is the sunrise / sunset in December in Cecilia?

On the first day of December, sunrise is at 7:40 am and sunset at 5:25 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:35 pm EST.

What is the month with the least sunshine in Cecilia?

With an average of 4.4h of sunshine, December has the least sunshine of the year in Cecilia, Kentucky.

How long on average sun shines in December in Cecilia?

In Cecilia, Kentucky, the average sunshine duration in December is 4.4h.

When is the lowest UV index in Cecilia?

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

What is the UV index reading in December in Cecilia?

In Cecilia, Kentucky, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health 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
Cecilia, KY

Average temperature in December - Cecilia, KY
  • Average high temperature in December: 45.1°F

The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (39.9°F).

  • Average low temperature in December: 32.9°F

The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).

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Average pressure in December
Cecilia, KY

Average pressure in December - Cecilia, 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).

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Average wind speed in December
Cecilia, KY

Average wind speed in December - Cecilia, KY
  • Average wind speed in December: 7.6mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).

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Average humidity in December
Cecilia, KY

Average humidity in December - Cecilia, KY
  • Average humidity in December: 80%

The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (75%).

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Average rainfall in December
Cecilia, KY

Average rainfall in December - Cecilia, KY
  • Average rainfall in December: 2.48"

The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (2.01").

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Average rainfall days in December
Cecilia, KY

Average rainfall days in December - Cecilia, KY
  • Average rainfall days in December: 11.6 days

The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).

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Average snowfall in December
Cecilia, KY

Average snowfall in December - Cecilia, KY
  • Average snowfall in December: 1.22"

The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August, September and October (0").

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Average snowfall days in December
Cecilia, KY

Average snowfall days in December - Cecilia, KY
  • Average snowfall days in December: 5.8 days

The month with the highest number of snowfall days is February (6.7 days).
The months with the least snowfall days are May, June, July, August and September (0 days).

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Average daylight in December /
Average sunshine in December
Cecilia, KY

Average daylight in December / Average sunshine in December - Cecilia, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).

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Average sunshine days in December
Cecilia, KY

Average sunshine days in December - Cecilia, KY
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (10.9 days).

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Average UV index in December
Cecilia, KY

Average UV index in December - Cecilia, 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, November and December (UV index 2).

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Average cloud cover in December
Cecilia, KY

Average cloud cover in December - Cecilia, KY
  • Average cloud cover in December: 54

The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).

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Average visibility in December
Cecilia, KY

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

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

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Cecilia, Kentucky, USA

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