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
Jeffrey records a mild change in average high-temperature during December, easing from a moderate 55.8°F (13.2°C) in November to a chilly 47.3°F (8.5°C). An average nighttime temperature of 34.7°F (1.5°C) is witnessed throughout December.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Jeffrey, in December, it is raining for 13.8 days, with typically 3.58" (91mm) of accumulated precipitation. In Jeffrey, during the entire year, the rain falls for 182.5 days and collects up to 41.85" (1063mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Jeffrey, in December, snow falls for 4.9 days, with typically accumulated 1.38" (35mm) of snow. Throughout the year, in Jeffrey, there are 23.4 snowfall days, and 8.82" (224mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 6:37 am and sunset at 4:27 pm. On the last day of December, in Jeffrey, sunrise is at 6:55 am and sunset at 4:37 pm CST.
Sunshine
In December, the average sunshine in Jeffrey is 4.5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for the ordinary person.Note: In December, the maximum UV index of 2 suggests these recommendations:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. To protect against the Sun's most potent rays, avoid direct exposure around midday. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Frequently asked questions
What is the temperature in December in Jeffrey?
What is the most humid month in Jeffrey?
What is the average humidity in December in Jeffrey?
How much does it rain in Jeffrey in December?
How much does it snow in Jeffrey in December?
What is the month with the shortest days in Jeffrey?
How many hours of daylight does Jeffrey have in December?
When is the sunrise / sunset in December in Jeffrey?
How long on average sun shines in December in Jeffrey?
What are the months with the lowest UV index in Jeffrey?
What is the UV index intensity in December in Jeffrey?
Average temperature in December
Jeffrey, KY
- Average high temperature in December: 47.3°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 (42.1°F).
- Average low temperature in December: 34.7°F
The month with the highest average low temperature is July (66.9°F).
The coldest month (with the lowest average low temperature) is January (28.8°F).
Average pressure in December
Jeffrey, 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 (29.96"Hg).
Average wind speed in December
Jeffrey, KY
- Average wind speed in December: 7.1mph
The windiest month (with the highest average wind speed) is February (8mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Jeffrey, KY
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are April, October and November (76%).
Average rainfall in December
Jeffrey, KY
- Average rainfall in December: 3.58"
The wettest months (with the highest rainfall) are February and July (4.25").
The driest month (with the least rainfall) is September (2.4").
Average rainfall days in December
Jeffrey, KY
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is November (11.2 days).
Average snowfall in December
Jeffrey, KY
- Average snowfall in December: 1.38"
The month with the highest snowfall is February (2.4").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Jeffrey, KY
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (6.7 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
Jeffrey, KY
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 4h and 3min
The months with the most sunshine are June and August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 18min).
Average sunshine days in December
Jeffrey, KY
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is July (9.5 days).
Average UV index in December
Jeffrey, 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
Jeffrey, KY
- Average cloud cover in December: 53
The month with the most cloud cover is February (Cloud cover 55).
The months with the least cloud cover are June and August (Cloud cover 30).
Average visibility in December
Jeffrey, KY
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, September, October, November and December (6mi).
The months with the lowest visibility are January, May, July and August (5mi).
Jeffrey, Kentucky, USA
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