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
December heralds a minor drop in average high-temperature, sliding from November's cool 52.3°F (11.3°C) to a chilly 43.5°F (6.4°C). In Hillsboro, December's nights observe an average temperature dip to a subzero cold 31.3°F (-0.4°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In December, the rain falls for 10.8 days. Throughout December, 1.46" (37mm) of precipitation is accumulated. Throughout the year, in Hillsboro, there are 143.3 rainfall days, and 17.36" (441mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Hillsboro, Kentucky, in December, snow falls for 6.1 days, with typically accumulated 0.75" (19mm) of snow. Throughout the year, there are 30.6 snowfall days, and 5.16" (131mm) of snow is accumulated.Daylight
The month with the shortest days in Hillsboro is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:33 am and sunset at 5:14 pm. On the last day of December, in Hillsboro, sunrise is at 7:51 am and sunset at 5:24 pm EST.
Sunshine
In Hillsboro, the average sunshine in December is 4.1h.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 estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Hillsboro in December?
What is the most humid month in Hillsboro?
What is the average humidity in December in Hillsboro?
How many days does it rain in December in Hillsboro?
How much does it snow in Hillsboro in December?
What is the month with the shortest days in Hillsboro?
How many hours of daylight does Hillsboro have in December?
When is the sunrise / sunset in December in Hillsboro?
How long on average sun shines in December in Hillsboro?
What are the months with the lowest UV index in Hillsboro?
What is the UV index intensity in December in Hillsboro?
Average temperature in December
Hillsboro, KY
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (64.9°F).
The coldest month (with the lowest average low temperature) is January (25.2°F).
Average pressure in December
Hillsboro, 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 (29.96"Hg).
Average wind speed in December
Hillsboro, KY
- Average wind speed in December: 7.8mph
The windiest month (with the highest average wind speed) is January (8.5mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Hillsboro, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Hillsboro, KY
- Average rainfall in December: 1.46"
The wettest month (with the highest rainfall) is July (1.93").
The driest months (with the least rainfall) are January, September and October (1.06").
Average rainfall days in December
Hillsboro, KY
- Average rainfall days in December: 10.8 days
The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in December
Hillsboro, KY
- Average snowfall in December: 0.75"
The month with the highest snowfall is February (1.46").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Hillsboro, KY
- Average snowfall days in December: 6.1 days
The month with the highest number of snowfall days is January (8.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Hillsboro, 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 1min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Hillsboro, KY
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (19 days).
The month with the least sunshine days is February (11.4 days).
Average UV index in December
Hillsboro, 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
Hillsboro, KY
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Hillsboro, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July and September (5mi).
Hillsboro, Kentucky, USA
Weather forecast for your location
2. Allow the app to use your location