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
With the onset of December, Henderson's average high-temperature adjusts, receding from November's cool 53.8°F (12.1°C) to a frosty 44.2°F (6.8°C). December in Henderson sees the temperature falling to a mean low of 33.3°F (0.7°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Henderson, during December, the rain falls for 9.7 days and regularly aggregates up to 1.18" (30mm) of precipitation. Throughout the year, there are 131.7 rainfall days, and 15.47" (393mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Henderson, Kentucky, in December, during 3.2 snowfall days, 0.2" (5mm) of snow is typically accumulated. In Henderson, during the entire year, snow falls for 15.3 days and aggregates up to 2.24" (57mm) 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 6:47 am and sunset at 4:31 pm. On the last day of December, sunrise is at 7:05 am and sunset at 4:41 pm CST.
Sunshine
The average sunshine in December is 4.7h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Henderson. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. The most potent solar radiation is around mid-day, so one should minimize exposure to direct sunlight during this period. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
Is December cold in Henderson?
What is the average humidity in December in Henderson?
How much does it rain in Henderson in December?
How much does it snow in Henderson in December?
What is the month with the shortest days in Henderson?
How many hours of daylight does Henderson have in December?
When is the sunrise / sunset in December in Henderson?
How many hours of sunshine does Henderson have in December?
When is the lowest UV index in Henderson?
What is the UV index intensity in December in Henderson?
Average temperature in December
Henderson, KY
- Average high temperature in December: 44.2°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (39.4°F).
- Average low temperature in December: 33.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (26.8°F).
Average pressure in December
Henderson, 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
Henderson, KY
- Average wind speed in December: 9.3mph
The windiest month (with the highest average wind speed) is February (10.1mph).
The calmest months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Henderson, 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 (70%).
Average rainfall in December
Henderson, KY
- Average rainfall in December: 1.18"
The wettest month (with the highest rainfall) is April (1.65").
The driest month (with the least rainfall) is September (0.67").
Average rainfall days in December
Henderson, KY
- Average rainfall days in December: 9.7 days
The months with the highest number of rainy days are May and July (14.4 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Henderson, KY
- Average snowfall in December: 0.2"
The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Henderson, KY
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Henderson, 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 4min
The months with the most sunshine are June, July and August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).
Average sunshine days in December
Henderson, KY
- Average sunshine days in December: 18.8 days
The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (13.1 days).
Average UV index in December
Henderson, 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
Henderson, 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
Henderson, 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).
Henderson, Kentucky, USA
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