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
A subtle change in temperatures is noted as November gives way to December, with average highs reducing from a fresh 54°F (12.2°C) to a frosty 45.7°F (7.6°C). The average low-temperature of 33.3°F (0.7°C) is witnessed during December.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 14.6 days. Throughout December, 3.7" (94mm) of precipitation is accumulated. In Cary, during the entire year, the rain falls for 187.5 days and collects up to 40.24" (1022mm) of precipitation.Snowfall
Months with snowfall in Cary, Kentucky, are January through April, October through December. In Cary, in December, snow falls for 6.5 days, with typically accumulated 3.58" (91mm) of snow. In Cary, Kentucky, during the entire year, snow falls for 32 days and aggregates up to 14.17" (360mm) of snow.Daylight
With an average of 9h and 42min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:29 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:28 pm EST.
Sunshine
In Cary, the average sunshine in December is 4.7h.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 value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Cary have in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Cary have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Cary, KY
- Average high temperature in December: 45.7°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (41.5°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (63°F).
The coldest month (with the lowest average low temperature) is January (27.3°F).
Average pressure in December
Cary, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Cary, KY
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.5mph).
The calmest month (with the lowest average wind speed) is August (3.8mph).
Average humidity in December
Cary, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are April, June, July, August, September and November (77%).
Average rainfall in December
Cary, KY
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is February (4.69").
The driest month (with the least rainfall) is September (2.2").
Average rainfall days in December
Cary, KY
- Average rainfall days in December: 14.6 days
The month with the highest number of rainy days is May (19.6 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in December
Cary, KY
- Average snowfall in December: 3.58"
The month with the highest snowfall is February (4.21").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cary, KY
- Average snowfall days in December: 6.5 days
The month with the highest number of snowfall days is January (9.5 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
Cary, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Cary, KY
- Average sunshine days in December: 12.5 days
The month with the most sunshine days is October (15.7 days).
The month with the least sunshine days is February (9 days).
Average UV index in December
Cary, 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 and December (UV index 2).
Average cloud cover in December
Cary, KY
- Average cloud cover in December: 53
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Cary, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
Cary, Kentucky, USA
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