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
Onset of December witnesses a reduction in the average high-temperature, falling from a fresh 52.2°F (11.2°C) in November to a wintry 42.6°F (5.9°C). An average low-temperature of 31.3°F (-0.4°C) is recorded during the nights in December.Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In December, the rain falls for 11.4 days. Throughout December, 2.13" (54mm) of precipitation is accumulated. In Willow, Kentucky, during the entire year, the rain falls for 156.2 days and collects up to 26.1" (663mm) of precipitation.Snowfall
Months with snowfall in Willow are January through April, November and December. In Willow, during December, snow falls for 7.7 days and regularly aggregates up to 1.14" (29mm) of snow. In Willow, during the entire year, snow falls for 32.5 days and aggregates up to 7.4" (188mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:36 am and sunset at 5:15 pm. On the last day of the month, sunrise is at 7:54 am and sunset at 5:25 pm EST.
Sunshine
The average sunshine in December is 4.2h.UV index
The months with the lowest UV index in Willow, Kentucky, are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, a daily maximum UV index of 2 leads to the following instructions:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Direct Sun exposure should be minimized especially during midday when radiation is most intense. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Frequently asked questions
Is it cold in Willow during December?
What are the most humid months in Willow?
What is the average humidity in December in Willow?
How many days does it rain in December in Willow?
How much does it snow in Willow in December?
What is the month with the shortest days in Willow?
What is the average length of the day in December in Willow?
When is the sunrise / sunset in December in Willow?
How many hours of sunshine does Willow have in December?
What are the months with the lowest UV index in Willow?
What is the UV index intensity in December in Willow?
Average temperature in December
Willow, KY
- Average high temperature in December: 42.6°F
The warmest month (with the highest average high temperature) is July (85.3°F).
The month with the lowest average high temperature is January (37.4°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (65.8°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in December
Willow, KY
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Willow, KY
- Average wind speed in December: 7.9mph
The windiest month (with the highest average wind speed) is January (8.6mph).
The calmest months (with the lowest average wind speed) are July and August (5mph).
Average humidity in December
Willow, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Willow, KY
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is September (1.61").
Average rainfall days in December
Willow, KY
- Average rainfall days in December: 11.4 days
The month with the highest number of rainy days is May (17.1 days).
The month with the least rainy days is November (9.8 days).
Average snowfall in December
Willow, KY
- Average snowfall in December: 1.14"
The month with the highest snowfall is January (1.89").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Willow, KY
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (8.4 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
Willow, KY
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
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 6min).
Average sunshine days in December
Willow, KY
- Average sunshine days in December: 13.2 days
The month with the most sunshine days is October (18.1 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in December
Willow, 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
Willow, KY
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 59).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
Willow, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are February, May and July (5mi).
Willow, Kentucky, USA
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