December weather forecastLily, KY

December

Weather in December

The first month of the winter, December, is still a chilly month in Lily, Kentucky, with an average temperature fluctuating between 45.9°F (7.7°C) and 33.3°F (0.7°C).

Temperature

With December's onset, the weather reveals a slight temperature decrease, transitioning from a fresh 54.5°F (12.5°C) in November to a frosty 45.9°F (7.7°C). In the month of December, the temperature generally rests at an average low of 33.3°F (0.7°C).

Humidity

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

Rainfall

In Lily, in December, it is raining for 13.3 days, with typically 3.66" (93mm) of accumulated precipitation. In Lily, Kentucky, during the entire year, the rain falls for 176.9 days and collects up to 39.29" (998mm) of precipitation.

Snowfall

January through April, October through December are months with snowfall. In Lily, in December, snow falls for 7.2 days, with typically accumulated 3.03" (77mm) of snow. In Lily, during the entire year, snow falls for 34.6 days and aggregates up to 15.43" (392mm) of snow.

Daylight

December has the shortest days of the year, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 7:31 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:29 pm EST.

Sunshine

In Lily, the average sunshine in December is 4.5h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for the average person.
Note: The average daily UV index of 2 in December transforms into the following instructions:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Updated: Jun 16, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

During December, Lily experiences an average high-temperature of 45.9°F (7.7°C) and a low-temperature of 33.3°F (0.7°C). The average heat index (a.k.a. 'real feel', 'feels like'), which represents the influence of relative humidity on air temperature, in August is appraised at 95°F (35°C).

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

The average relative humidity in December is 80%.

In December, the rain falls for 13.3 days. Throughout December, 3.66" (93mm) of precipitation is accumulated.

In Lily, in December, during 7.2 snowfall days, 3.03" (77mm) of snow is typically accumulated.

The month with the shortest days is December, with an average of 9h and 42min of daylight.

The average day length in December is 9h and 40min.

In December, on the first day of the month, sunrise is at 7:31 am and sunset at 5:19 pm. On the last day of the month, sunrise is at 7:49 am and sunset at 5:29 pm EST.

In December, the average sunshine duration is 4.5h.

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

In December, the average daily maximum UV index is 2. A UV Index reading of 2, and below, represents a low health threat from exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Lily, KY

  • Average high temperature in December: 45.9°F

The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41.2°F).

  • Average low temperature in December: 33.3°F

The month with the highest average low temperature is July (64.6°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).

Average pressure in December
Lily, 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 (29.97"Hg).

Average wind speed in December
Lily, KY

  • Average wind speed in December: 6.6mph

The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).

Average humidity in December
Lily, 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 (75%).

Average rainfall in December
Lily, KY

  • Average rainfall in December: 3.66"

The wettest month (with the highest rainfall) is February (4.25").
The driest month (with the least rainfall) is September (2.2").

Average rainfall days in December
Lily, 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 (11.9 days).

Average snowfall in December
Lily, KY

  • Average snowfall in December: 3.03"

The month with the highest snowfall is February (4.45").
The months with the least snowfall are May, June, July, August and September (0").

Average snowfall days in December
Lily, KY

  • Average snowfall days in December: 7.2 days

The month with the highest number of snowfall days is January (9.7 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
Lily, KY

  • Average daylight in December: 9h and 42min

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 30min

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

Average sunshine days in December
Lily, KY

  • Average sunshine days in December: 12.2 days

The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (9.4 days).

Average UV index in December
Lily, 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
Lily, KY

  • Average cloud cover in December: 54

The months with the most cloud cover are January and February (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).

Average visibility in December
Lily, KY

  • Average visibility in December: 5mi

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