Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
In December, the average high-temperature in Jeffersontown, Kentucky, goes from a cool 53.2°F (11.8°C) in November to a chilly 44.1°F (6.7°C). During the month of December, an average low-temperature of 32°F (0°C) is recorded in Jeffersontown.Humidity
In Jeffersontown, the average relative humidity in December is 79%.Rainfall
In Jeffersontown, in December, during 9.5 rainfall days, 1.26" (32mm) of precipitation is typically accumulated. In Jeffersontown, during the entire year, the rain falls for 140.3 days and collects up to 18.31" (465mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Jeffersontown, during December, snow falls for 3.6 days and regularly aggregates up to 0.39" (10mm) of snow. Throughout the year, there are 19.9 snowfall days, and 2.44" (62mm) of snow is accumulated.Daylight
The month with the shortest days in Jeffersontown, Kentucky, is December, 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 5:22 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:32 pm EST.
Sunshine
December has the least sunshine of the year, with an average of 4.3h of sunshine.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Jeffersontown. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
How cold is it in Jeffersontown in December?
What is the average humidity in December in Jeffersontown?
How much does it rain in Jeffersontown in December?
How many days does it snow in December in Jeffersontown?
What is the month with the shortest days in Jeffersontown?
What is the average length of the day in December in Jeffersontown?
When is the sunrise / sunset in December in Jeffersontown?
What is the month with the least sunshine in Jeffersontown?
How long on average sun shines in December in Jeffersontown?
What are the months with the lowest UV index in Jeffersontown?
How high is the UV index in December in Jeffersontown?
Average temperature in December
Jeffersontown, KY
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Jeffersontown, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Jeffersontown, KY
- Average wind speed in December: 7.5mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Jeffersontown, KY
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Jeffersontown, KY
- Average rainfall in December: 1.26"
The wettest months (with the highest rainfall) are April and May (2.05").
The driest month (with the least rainfall) is September (0.87").
Average rainfall days in December
Jeffersontown, KY
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (16.8 days).
The month with the least rainy days is January (8.4 days).
Average snowfall in December
Jeffersontown, KY
- Average snowfall in December: 0.39"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Jeffersontown, KY
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is February (5.9 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
Jeffersontown, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
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 24min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in December
Jeffersontown, KY
- Average sunshine days in December: 18.6 days
The month with the most sunshine days is October (20.4 days).
The month with the least sunshine days is May (12.3 days).
Average UV index in December
Jeffersontown, 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
Jeffersontown, KY
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Jeffersontown, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are February and May (5mi).
Jeffersontown, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location
