December weather forecastHarrodsburg, KY
December
Weather in December
December wraps up the year with the full blast of winter in Harrodsburg. It signals the shortest daylight hours of the year, with an average of 9.6 hours daily. December's highlight is the low temperatures that range from 32.9°F (0.5°C) to 44.6°F (7°C). It also records the highest snowfall for the year at 1.69" (43mm), offering Harrodsburg’s residents a classic white Christmas. The increased humidity of 80% typically leads to higher chances of frost in this month.Temperature
The transition into December subtly indicates a reduction in the average high-temperature, down to a chilly 44.6°F (7°C) from November's fresh 53.2°F (11.8°C). During December, the average low-temperature in Harrodsburg is an icy 32.9°F (0.5°C).Humidity
In Harrodsburg, Kentucky, the average relative humidity in December is 80%.Rainfall
In Harrodsburg, in December, during 13.5 rainfall days, 3.62" (92mm) of precipitation is typically accumulated. In Harrodsburg, during the entire year, the rain falls for 179.9 days and collects up to 39.02" (991mm) of precipitation.Snowfall
Months with snowfall are January through April, October through December. In Harrodsburg, Kentucky, in December, during 7.1 snowfall days, 1.69" (43mm) of snow is typically accumulated. In Harrodsburg, during the entire year, snow falls for 32.3 days and aggregates up to 10.55" (268mm) of snow.Daylight
December has the shortest days of the year in Harrodsburg, with an average of 9h and 36min of daylight.On the first day of December in Harrodsburg, sunrise is at 7:36 am and sunset at 5:20 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:30 pm EST.
Sunshine
The average sunshine in December in Harrodsburg, Kentucky, is 4.4h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Harrodsburg. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. During midday, the Sun's radiation is strongest, and it's advisable to reduce direct exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Harrodsburg, KY
- Average high temperature in December: 44.6°F
The warmest month (with the highest average high temperature) is July (85.6°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (66.4°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Harrodsburg, 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
Harrodsburg, KY
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5.1mph).
Average humidity in December
Harrodsburg, KY
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is August (75%).
Average rainfall in December
Harrodsburg, KY
- Average rainfall in December: 3.62"
The wettest month (with the highest rainfall) is April (3.9").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in December
Harrodsburg, KY
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
Harrodsburg, KY
- Average snowfall in December: 1.69"
The month with the highest snowfall is February (2.87").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Harrodsburg, KY
- Average snowfall days in December: 7.1 days
The month with the highest number of snowfall days is January (9.4 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
Harrodsburg, KY
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Harrodsburg, KY
- Average sunshine days in December: 12.7 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is February (9.6 days).
Average UV index in December
Harrodsburg, 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
Harrodsburg, KY
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 29).
Average visibility in December
Harrodsburg, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, August, September, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July and December (5mi).





