Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December signifies a minor drop in average high-temperature, transitioning from a fresh 54°F (12.2°C) in November to a frosty 45°F (7.2°C). Jackson's nights in December cool down to an average low-temperature of 33.3°F (0.7°C).Humidity
In Jackson, the average relative humidity in December is 79%.Rainfall
In Jackson, during December, the rain falls for 13.6 days and regularly aggregates up to 3.39" (86mm) of precipitation. In Jackson, during the entire year, the rain falls for 178 days and collects up to 35.47" (901mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Jackson. In Jackson, Kentucky, during December, snow falls for 8.3 days and regularly aggregates up to 3.35" (85mm) of snow. Throughout the year, there are 39.8 snowfall days, and 17.32" (440mm) of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Jackson.On the first day of the month, sunrise is at 7:30 am and sunset at 5:15 pm. On the last day of December, sunrise is at 7:48 am and sunset at 5:25 pm EST.
Sunshine
In Jackson, Kentucky, the average sunshine in December is 4.5h.UV index
The months with the lowest UV index in Jackson are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: A maximum daily UV index of 2 during December morphs into the following directions:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Frequently asked questions
What are December temperatures in Jackson?
What is the average humidity in December in Jackson?
How much does it rain in Jackson in December?
How much does it snow in Jackson in December?
What is the month with the shortest days in Jackson?
What is the average length of the day in December in Jackson?
When are sunrise and sunset in December in Jackson?
How many hours of sunshine does Jackson have in December?
What is the month with the lowest UV index in Jackson?
What is the UV index reading in December in Jackson?
Average temperature in December
Jackson, KY
- Average high temperature in December: 45°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 (40.3°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (27°F).
Average pressure in December
Jackson, 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
Jackson, KY
- Average wind speed in December: 6.3mph
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
Jackson, KY
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in December
Jackson, KY
- Average rainfall in December: 3.39"
The wettest month (with the highest rainfall) is February (3.9").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Jackson, KY
- Average rainfall days in December: 13.6 days
The month with the highest number of rainy days is May (18.7 days).
The month with the least rainy days is November (11.5 days).
Average snowfall in December
Jackson, KY
- Average snowfall in December: 3.35"
The month with the highest snowfall is February (4.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jackson, KY
- Average snowfall days in December: 8.3 days
The month with the highest number of snowfall days is January (11.7 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
Jackson, KY
- Average daylight in December: 9h and 4min
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 3min
The months with the most sunshine are June and August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 4h and 6min).
Average sunshine days in December
Jackson, KY
- Average sunshine days in December: 12.1 days
The month with the most sunshine days is October (15.8 days).
The month with the least sunshine days is February (9 days).
Average UV index in December
Jackson, 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
Jackson, KY
- Average cloud cover in December: 54
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
Jackson, 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).
Jackson, Kentucky, USA
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