December weather forecastCecilia, KY
December
Weather in December
The first month of the winter, December, is also a frosty month in Cecilia, Kentucky, with temperature in the range of an average low of 32.9°F (0.5°C) and an average high of 45.1°F (7.3°C).Temperature
Cecilia in December demonstrates a small temperature transition, adjusting from an average high of a cool 54.1°F (12.3°C) in November to a chilly 45.1°F (7.3°C). The temperature lowers to an average of 32.9°F (0.5°C) during December nights.Humidity
February and December, with an average relative humidity of 80%, are the most humid months in Cecilia.Rainfall
In Cecilia, in December, during 11.6 rainfall days, 2.48" (63mm) of precipitation is typically accumulated. Throughout the year, in Cecilia, there are 163.1 rainfall days, and 32.72" (831mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall in Cecilia. In Cecilia, in December, during 5.8 snowfall days, 1.22" (31mm) of snow is typically accumulated. In Cecilia, Kentucky, during the entire year, snow falls for 25.4 days and aggregates up to 7.52" (191mm) of snow.Daylight
December has the shortest days of the year in Cecilia, Kentucky, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:40 am and sunset at 5:25 pm. On the last day of December, in Cecilia, sunrise is at 7:58 am and sunset at 5:35 pm EST.
Sunshine
With an average of 4.4h of sunshine, December has the least sunshine of the year in Cecilia.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Cecilia. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cecilia, KY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (86.7°F).
The month with the lowest average high temperature is January (39.9°F).
- Average low temperature in December: 32.9°F
The month with the highest average low temperature is July (67.1°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Cecilia, 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 (29.95"Hg).
Average wind speed in December
Cecilia, KY
- Average wind speed in December: 7.6mph
The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Cecilia, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The months with the lowest relative humidity are August, September and October (75%).
Average rainfall in December
Cecilia, KY
- Average rainfall in December: 2.48"
The wettest month (with the highest rainfall) is May (3.39").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Cecilia, KY
- Average rainfall days in December: 11.6 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Cecilia, KY
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (2.2").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Cecilia, KY
- Average snowfall days in December: 5.8 days
The month with the highest number of snowfall days is February (6.7 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
Cecilia, 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 18min).
The month with the least sunshine is December (Average sunshine: 4h and 24min).
Average sunshine days in December
Cecilia, KY
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (18.6 days).
The month with the least sunshine days is May (10.9 days).
Average UV index in December
Cecilia, 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
Cecilia, KY
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Cecilia, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February and May (5mi).





