December weather forecastCyrus, KY
December
Weather in December
December, the first month of the winter in Cyrus, is also a frosty month, with an average temperature fluctuating between 45.1°F (7.3°C) and 33.1°F (0.6°C).Temperature
December marks a gentle change in average high-temperature, declining from November's cool 53.8°F (12.1°C) to a chilly 45.1°F (7.3°C). The nighttime temperature in Cyrus, Kentucky, during December, averages of 33.1°F (0.6°C).Humidity
February and December, with an average relative humidity of 80%, are the most humid months in Cyrus.Rainfall
In Cyrus, Kentucky, during December, the rain falls for 13.1 days and regularly aggregates up to 3.27" (83mm) of precipitation. In Cyrus, during the entire year, the rain falls for 178.7 days and collects up to 34.8" (884mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Cyrus. In Cyrus, in December, snow falls for 7.6 days, with typically accumulated 2.95" (75mm) of snow. In Cyrus, Kentucky, during the entire year, snow falls for 37.5 days and aggregates up to 15.43" (392mm) of snow.Daylight
The month with the shortest days in Cyrus is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 7:29 am and sunset at 5:13 pm. On the last day of the month, sunrise is at 7:47 am and sunset at 5:23 pm EST.
Sunshine
In December, the average sunshine in Cyrus, Kentucky, is 4.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Cyrus, KY
- Average high temperature in December: 45.1°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.1°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Cyrus, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Cyrus, KY
- Average wind speed in December: 6.4mph
The windiest months (with the highest average wind speed) are January and February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Cyrus, 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 and November (74%).
Average rainfall in December
Cyrus, KY
- Average rainfall in December: 3.27"
The wettest month (with the highest rainfall) is February (3.7").
The driest month (with the least rainfall) is September (2.01").
Average rainfall days in December
Cyrus, KY
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is May (18.8 days).
The month with the least rainy days is November (11.6 days).
Average snowfall in December
Cyrus, KY
- Average snowfall in December: 2.95"
The month with the highest snowfall is February (4.25").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Cyrus, KY
- Average snowfall days in December: 7.6 days
The month with the highest number of snowfall days is January (11.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Cyrus, 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 August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Cyrus, KY
- Average sunshine days in December: 12 days
The month with the most sunshine days is October (15.9 days).
The month with the least sunshine days is February (9.3 days).
Average UV index in December
Cyrus, 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 and December (UV index 2).
Average cloud cover in December
Cyrus, KY
- Average cloud cover in December: 55
The months with the most cloud cover are January and February (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Cyrus, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, August, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, September and December (5mi).





