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 is characterized by a mild reduction in the average high-temperature, from a fresh 52.2°F (11.2°C) in November to a chilly 43.2°F (6.2°C). In December, the nighttime temperature lowers to an average of 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 Garrison, in December, during 13.6 rainfall days, 2.99" (76mm) of precipitation is typically accumulated. In Garrison, Kentucky, during the entire year, the rain falls for 172.9 days and collects up to 31.81" (808mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Garrison, in December, during 8 snowfall days, 1.89" (48mm) of snow is typically accumulated. Throughout the year, in Garrison, there are 37.3 snowfall days, and 11.1" (282mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December in Garrison, sunrise is at 7:32 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:50 am and sunset at 5:21 pm EST.
Sunshine
The average sunshine in December in Garrison is 4.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 transforms into these recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses. Take precaution! The reflection from snow can almost double the UV radiation of the Sun.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is it cold in Garrison during December?
What is the most humid month in Garrison?
What is the average humidity in December in Garrison?
How many days does it rain in December in Garrison?
How much does it snow in Garrison in December?
What is the month with the shortest days in Garrison?
What is the average length of the day in December in Garrison?
When is the sunrise / sunset in December in Garrison?
How long on average sun shines in December in Garrison?
What are the months with the lowest UV index in Garrison?
What is the UV index intensity in December in Garrison?
Average temperature in December
Garrison, KY
- Average high temperature in December: 43.2°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 (37.8°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Garrison, 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
Garrison, KY
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.9mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Garrison, 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
Garrison, KY
- Average rainfall in December: 2.99"
The wettest month (with the highest rainfall) is April (3.27").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Garrison, KY
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
Garrison, KY
- Average snowfall in December: 1.89"
The month with the highest snowfall is January (2.91").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Garrison, KY
- Average snowfall days in December: 8 days
The month with the highest number of snowfall days is January (10.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Garrison, 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 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
Garrison, KY
- Average sunshine days in December: 12.1 days
The months with the most sunshine days are October and November (16.6 days).
The month with the least sunshine days is February (9.7 days).
Average UV index in December
Garrison, 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
Garrison, KY
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Garrison, KY
- Average visibility in December: 5mi
The months with the highest visibility are March, April, October and November (6mi).
The months with the lowest visibility are January, February, May, June, July, August, September and December (5mi).
Garrison, Kentucky, USA
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