December weather forecastFincastle, KY
December
Weather in December
December, the first month of the winter in Fincastle, is still a chilly month, with an average temperature varying between 44.1°F (6.7°C) and 32°F (0°C).Temperature
Setting in of December comes with a decrease in the average high-temperature, moving from a fresh 53.2°F (11.8°C) in November to a chilly 44.1°F (6.7°C). During December, Fincastle experiences a consistent low-temperature average of 32°F (0°C).Humidity
In December, the average relative humidity in Fincastle is 79%.Rainfall
In Fincastle, Kentucky, in December, during 12 rainfall days, 2.56" (65mm) of precipitation is typically accumulated. Throughout the year, in Fincastle, there are 157.9 rainfall days, and 31.77" (807mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Fincastle, Kentucky, in December, during 5.1 snowfall days, 1.22" (31mm) of snow is typically accumulated. In Fincastle, during the entire year, snow falls for 26.3 days and aggregates up to 6.97" (177mm) 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 7:40 am and sunset at 5:22 pm. On the last day of December, sunrise is at 7:58 am and sunset at 5:32 pm EST.
Sunshine
With an average of 4.3h of sunshine, December has the least sunshine of the year.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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for ordinary individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Fincastle, KY
- Average high temperature in December: 44.1°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (39°F).
- Average low temperature in December: 32°F
The month with the highest average low temperature is July (67.6°F).
The coldest month (with the lowest average low temperature) is January (26.1°F).
Average pressure in December
Fincastle, KY
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Fincastle, KY
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is January (8.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.9mph).
Average humidity in December
Fincastle, KY
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (73%).
Average rainfall in December
Fincastle, KY
- Average rainfall in December: 2.56"
The wettest month (with the highest rainfall) is April (3.54").
The driest month (with the least rainfall) is September (1.77").
Average rainfall days in December
Fincastle, KY
- Average rainfall days in December: 12 days
The month with the highest number of rainy days is May (18 days).
The month with the least rainy days is January (9.5 days).
Average snowfall in December
Fincastle, KY
- Average snowfall in December: 1.22"
The month with the highest snowfall is March (1.93").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Fincastle, KY
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (7.8 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
Fincastle, KY
- Average daylight in December: 9h and 36min
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 36min).
- Average sunshine in December: 4h and 18min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 18min).
Average sunshine days in December
Fincastle, KY
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is May (10.6 days).
Average UV index in December
Fincastle, KY
- Average UV index in December: 2
The months with the highest UV index are 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
Fincastle, KY
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Fincastle, 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).





