December weather forecastPerryville, KY
December
Weather in December
The first month of the winter, December, is also a frosty month in Perryville, Kentucky, with an average temperature fluctuating between 32.7°F (0.4°C) and 44.8°F (7.1°C).Temperature
December signifies a minor drop in average high-temperature, transitioning from a fresh 53.2°F (11.8°C) in November to a chilly 44.8°F (7.1°C). During the nights in December, an average low-temperature of 32.7°F (0.4°C) is observed.Humidity
In December, the average relative humidity is 80%.Rainfall
The wettest months are February, April and December, with an average 3.66" (93mm) of rainfall.Snowfall
January through April, October through December are months with snowfall in Perryville. In Perryville, in December, snow falls for 6.8 days, with typically accumulated 1.61" (41mm) of snow. In Perryville, during the entire year, snow falls for 32.3 days and aggregates up to 11.26" (286mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:36 am and sunset at 5:21 pm. On the last day of December, sunrise is at 7:54 am and sunset at 5:31 pm EST.
Sunshine
In Perryville, the average sunshine in December 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. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.Note: A maximum daily UV index of 2 during December morphs into the following directions:
Though the majority can handle prolonged sun exposure, it is crucial to always shield babies, children, and those with fair skin. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Perryville, KY
- Average high temperature in December: 44.8°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 (39.4°F).
- Average low temperature in December: 32.7°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 (26.6°F).
Average pressure in December
Perryville, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Perryville, KY
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest month (with the lowest average wind speed) is August (5mph).
Average humidity in December
Perryville, KY
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The months with the lowest relative humidity are August, September and October (76%).
Average rainfall in December
Perryville, KY
- Average rainfall in December: 3.66"
The wettest months (with the highest rainfall) are February, April and December (3.66").
The driest month (with the least rainfall) is September (2.48").
Average rainfall days in December
Perryville, KY
- Average rainfall days in December: 13.9 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
Perryville, KY
- Average snowfall in December: 1.61"
The month with the highest snowfall is February (3.31").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Perryville, KY
- Average snowfall days in December: 6.8 days
The month with the highest number of snowfall days is January (9.3 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
Perryville, 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 6min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Perryville, KY
- Average sunshine days in December: 13 days
The month with the most sunshine days is October (16.4 days).
The month with the least sunshine days is May (9.5 days).
Average UV index in December
Perryville, 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
Perryville, 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 30).
Average visibility in December
Perryville, 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).
