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 goes from a cool 54°F (12.2°C) in November to a chilly 44.6°F (7°C). Throughout the month of December, the average temperature dips to a wintry 32.4°F (0.2°C) at night.Humidity
February and December, with an average relative humidity of 80%, are the most humid months.Rainfall
In December, the rain falls for 9.7 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. In Shepherdsville, during the entire year, the rain falls for 145.2 days and collects up to 22.05" (560mm) of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Shepherdsville, during December, snow falls for 3.3 days and regularly aggregates up to 0.2" (5mm) of snow. In Shepherdsville, Kentucky, during the entire year, snow falls for 17.5 days and aggregates up to 2.91" (74mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:40 am and sunset at 5:23 pm. On the last day of the month, sunrise is at 7:58 am and sunset at 5:33 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 4.3h of sunshine.UV index
The months with the lowest UV index are January, February, November 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 the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. When the Sun is at its strongest around midday, find shade and limit exposure. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in December?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December in Shepherdsville?
When are sunrise and sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Shepherdsville, KY
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (87.1°F).
The month with the lowest average high temperature is January (39.7°F).
- Average low temperature in December: 32.4°F
The month with the highest average low temperature is July (67.3°F).
The coldest month (with the lowest average low temperature) is January (26.2°F).
Average pressure in December
Shepherdsville, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Shepherdsville, KY
- Average wind speed in December: 7.3mph
The windiest months (with the highest average wind speed) are January and February (8mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Shepherdsville, 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 (74%).
Average rainfall in December
Shepherdsville, KY
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is April (2.48").
The driest month (with the least rainfall) is September (1.22").
Average rainfall days in December
Shepherdsville, KY
- Average rainfall days in December: 9.7 days
The month with the highest number of rainy days is May (17.6 days).
The month with the least rainy days is January (8.2 days).
Average snowfall in December
Shepherdsville, 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
Shepherdsville, KY
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (5.5 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
Shepherdsville, 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 18min).
The months with the least sunshine are January and December (Average sunshine: 4h and 18min).
Average sunshine days in December
Shepherdsville, KY
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (20.2 days).
The month with the least sunshine days is May (11.7 days).
Average UV index in December
Shepherdsville, 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).
Average cloud cover in December
Shepherdsville, 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 29).
Average visibility in December
Shepherdsville, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Shepherdsville, Kentucky, USA
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