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
The arrival of December corresponds with a reduction in the average high-temperature, down from November's fresh 51.8°F (11°C) to a cold 42.4°F (5.8°C). December's average low-temperature reading settles at a subzero cold 31.1°F (-0.5°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 8.9 days. Throughout December, 0.79" (20mm) of precipitation is accumulated. Throughout the year, in Glencoe, there are 121.2 rainfall days, and 10.87" (276mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. December is the month with the most snowfall. Snow falls for 4.8 days and accumulates 0.47" (12mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:39 am and sunset at 5:18 pm. On the last day of the month, sunrise is at 7:57 am and sunset at 5:28 pm EST.
Sunshine
In Glencoe, the average sunshine in December is 4.3h.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 value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Boost your sun resistance with garments that are densely woven yet spacious. 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
Is December cold?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December?
What is the snowiest month?
How much does it snow in Glencoe in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Glencoe have in December?
What are the months with the lowest UV index in Glencoe?
What is the UV index reading in December?
Average temperature in December
Glencoe, KY
- Average high temperature in December: 42.4°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 (37.4°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Glencoe, KY
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
Glencoe, 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 (4.9mph).
Average humidity in December
Glencoe, 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 August, September and October (75%).
Average rainfall in December
Glencoe, KY
- Average rainfall in December: 0.79"
The wettest month (with the highest rainfall) is May (1.18").
The driest month (with the least rainfall) is September (0.55").
Average rainfall days in December
Glencoe, KY
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (13.8 days).
The month with the least rainy days is November (6.8 days).
Average snowfall in December
Glencoe, KY
- Average snowfall in December: 0.47"
The month with the highest snowfall is December (0.47").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Glencoe, KY
- Average snowfall days in December: 4.8 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Glencoe, KY
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Glencoe, KY
- Average sunshine days in December: 18.6 days
The months with the most sunshine days are October and November (21 days).
The month with the least sunshine days is May (13.6 days).
Average UV index in December
Glencoe, 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
Glencoe, KY
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Glencoe, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are May and July (5mi).
Glencoe, Kentucky, USA
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