December weather forecastJolly, KY
December
Weather in December
December, the first month of the winter in Jolly, is also a frosty month, with temperature in the range of an average low of 33.6°F (0.9°C) and an average high of 45.5°F (7.5°C).Temperature
Jolly's December weather comes with a decrease in average high-temperatures, moving from a cool 54.9°F (12.7°C) in November to a frosty 45.5°F (7.5°C). Throughout December, an average nighttime temperature of 33.6°F (0.9°C) is experienced.Humidity
The average relative humidity in December is 78%.Rainfall
In Jolly, during December, the rain falls for 8.9 days and regularly aggregates up to 1.61" (41mm) of precipitation. Throughout the year, there are 143.8 rainfall days, and 22.68" (576mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Jolly, during December, snow falls for 2.6 days and regularly aggregates up to 0.35" (9mm) of snow. Throughout the year, there are 12.2 snowfall days, and 2.09" (53mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:47 am and sunset at 4:32 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 4:43 pm CST.
Sunshine
The average sunshine in December is 4.8h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Jolly. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Jolly, KY
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (40.5°F).
- Average low temperature in December: 33.6°F
The month with the highest average low temperature is July (68.4°F).
The coldest month (with the lowest average low temperature) is January (27.9°F).
Average pressure in December
Jolly, 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
Jolly, KY
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is February (9.8mph).
The calmest months (with the lowest average wind speed) are July and August (5.7mph).
Average humidity in December
Jolly, KY
- Average humidity in December: 78%
The month with the highest relative humidity is May (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Jolly, KY
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is April (2.56").
The driest month (with the least rainfall) is September (1.06").
Average rainfall days in December
Jolly, KY
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is May (17 days).
The month with the least rainy days is November (8.7 days).
Average snowfall in December
Jolly, KY
- Average snowfall in December: 0.35"
The month with the highest snowfall is February (0.67").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Jolly, KY
- Average snowfall days in December: 2.6 days
The month with the highest number of snowfall days is January (4.2 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
Jolly, 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 48min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Jolly, KY
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Jolly, 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
Jolly, KY
- Average cloud cover in December: 50
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is June (Cloud cover 27).
Average visibility in December
Jolly, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
