December weather forecastAvondale Heights, KY

December

Weather in December

December, the first month of the winter in Avondale Heights, is still a chilly month, with an average temperature varying between 45.7°F (7.6°C) and 34.2°F (1.2°C).

Temperature

A subtle decrease in the average high-temperature marks December, falling from November's mild 55.4°F (13°C) to a chilly 45.7°F (7.6°C). Avondale Heights's average low-temperature for the month of December records at a cold 34.2°F (1.2°C).

Humidity

The average relative humidity in December is 77%.

Rainfall

In Avondale Heights, during December, the rain falls for 8.5 days and regularly aggregates up to 1.65" (42mm) of precipitation. Throughout the year, there are 137 rainfall days, and 22.64" (575mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through April, November and December. In Avondale Heights, in December, during 1.5 snowfall days, 0.2" (5mm) of snow is typically accumulated. Throughout the year, there are 8.9 snowfall days, and 2.32" (59mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Avondale Heights, Kentucky, with an average of 9h and 42min of daylight.
On the first day of December, sunrise is at 6:49 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:47 pm CST.

Sunshine

The average sunshine in December is 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 minimal health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: In December, a daily UV index of 2 turns into the following recommendations:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. Consider a wide-brim hat essential for effective sun defense covering your face, neck, and eyes. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Updated: Jul 11, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Avondale Heights, is 45.7°F (7.6°C) and the average low-temperature is 34.2°F (1.2°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, is estimated at 86°F (30°C).

In Avondale Heights, the average relative humidity in December is 77%.

In December, the rain falls for 8.5 days. Throughout December, 1.65" (42mm) of precipitation is accumulated.

In December, it is snowing for 1.5 days. Throughout December, 0.2" (5mm) of snow is accumulated.

December has the shortest days of the year, with an average of 9h and 42min of daylight.

In Avondale Heights, the average day length in December is 9h and 40min.

In December, on the first day of the month, sunrise is at 6:49 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 4:47 pm CST.

In Avondale Heights, Kentucky, the average sunshine duration in December is 5h.

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

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe 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
Avondale Heights, KY

  • Average high temperature in December: 45.7°F

The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (41.5°F).

  • Average low temperature in December: 34.2°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (28.4°F).

Average pressure in December
Avondale Heights, KY

  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).

Average wind speed in December
Avondale Heights, KY

  • Average wind speed in December: 8.5mph

The windiest month (with the highest average wind speed) is January (9mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).

Average humidity in December
Avondale Heights, KY

  • Average humidity in December: 77%

The months with the highest relative humidity are March and May (79%).
The month with the lowest relative humidity is October (69%).

Average rainfall in December
Avondale Heights, KY

  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is April (2.52").
The driest month (with the least rainfall) is September (0.91").

Average rainfall days in December
Avondale Heights, KY

  • Average rainfall days in December: 8.5 days

The month with the highest number of rainy days is May (16.4 days).
The month with the least rainy days is January (8.1 days).

Average snowfall in December
Avondale Heights, KY

  • Average snowfall in December: 0.2"

The month with the highest snowfall is February (1.02").
The months with the least snowfall are May, June, July, August, September and October (0").

Average snowfall days in December
Avondale Heights, KY

  • Average snowfall days in December: 1.5 days

The month with the highest number of snowfall days is February (2.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December /
Average sunshine in December
Avondale Heights, 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: 5h and 0min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 4h and 42min).

Average sunshine days in December
Avondale Heights, KY

  • Average sunshine days in December: 20.1 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is May (12.8 days).

Average UV index in December
Avondale Heights, KY

  • Average UV index in December: 2

The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).

Average cloud cover in December
Avondale Heights, KY

  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 50).
The months with the least cloud cover are June and September (Cloud cover 27).

Average visibility in December
Avondale Heights, KY

  • Average visibility in December: 6mi

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