December weather forecastGregoryville, KY
December
Weather in December
The first month of the winter, December, is still a chilly month in Gregoryville, Kentucky, with temperature in the range of an average low of 32.5°F (0.3°C) and an average high of 44.1°F (6.7°C).Temperature
Gregoryville in December undergoes a slight reduction in the average high-temperature, shifting from November's cool 53.1°F (11.7°C) to a chilly 44.1°F (6.7°C). Nighttime temperatures hover around an average low of 32.5°F (0.3°C) in December.Humidity
In December, the average relative humidity is 80%.Rainfall
The months with the most rainfall are April and December, with an average 3.07" (78mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Gregoryville, during December, snow falls for 7.5 days and regularly aggregates up to 2.2" (56mm) of snow. In Gregoryville, during the entire year, snow falls for 35.9 days and aggregates up to 11.73" (298mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Gregoryville, Kentucky.On the first day of December, sunrise is at 7:30 am and sunset at 5:11 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:21 pm EST.
Sunshine
In December, the average sunshine is 4.2h.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 reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Gregoryville, KY
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (87.3°F).
The month with the lowest average high temperature is January (38.8°F).
- Average low temperature in December: 32.5°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (25.7°F).
Average pressure in December
Gregoryville, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Gregoryville, KY
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January and February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Gregoryville, 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 (74%).
Average rainfall in December
Gregoryville, KY
- Average rainfall in December: 3.07"
The wettest months (with the highest rainfall) are April and December (3.07").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Gregoryville, KY
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in December
Gregoryville, KY
- Average snowfall in December: 2.2"
The month with the highest snowfall is February (3.23").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Gregoryville, KY
- Average snowfall days in December: 7.5 days
The month with the highest number of snowfall days is January (10.1 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
Gregoryville, KY
- Average daylight in December: 9h and 30min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Gregoryville, KY
- Average sunshine days in December: 12.9 days
The month with the most sunshine days is November (16.6 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Gregoryville, 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
Gregoryville, KY
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Gregoryville, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).





