December weather forecastGreenup, KY
December
Weather in December
The first month of the winter, December, is also a frosty month in Greenup, Kentucky, with temperature in the range of an average high of 43°F (6.1°C) and an average low of 31.3°F (-0.4°C).Temperature
The commencement of December indicates a shift in the average high-temperature, receding from November's fresh 52.3°F (11.3°C) to a chilly 43°F (6.1°C). During the month of December, Greenup experiences a steady low-temperature average of 31.3°F (-0.4°C).Humidity
The months with the highest humidity are February and December, with an average relative humidity of 81%.Rainfall
In Greenup, in December, it is raining for 11.8 days, with typically 2.99" (76mm) of accumulated precipitation. Throughout the year, in Greenup, there are 166.6 rainfall days, and 32.2" (818mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Greenup, in December, during 5.2 snowfall days, 1.77" (45mm) of snow is typically accumulated. Throughout the year, in Greenup, Kentucky, there are 27.7 snowfall days, and 9.13" (232mm) of snow is accumulated.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Greenup.On the first day of December, sunrise is at 7:30 am and sunset at 5:10 pm. On the last day of the month, sunrise is at 7:48 am and sunset at 5:20 pm EST.
Sunshine
In Greenup, the average sunshine in December is 4.2h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Greenup, KY
- Average high temperature in December: 43°F
The warmest month (with the highest average high temperature) is July (86.4°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Greenup, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Greenup, KY
- Average wind speed in December: 6.8mph
The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Greenup, 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 (75%).
Average rainfall in December
Greenup, KY
- Average rainfall in December: 2.99"
The wettest months (with the highest rainfall) are April and May (3.39").
The driest month (with the least rainfall) is September (1.89").
Average rainfall days in December
Greenup, KY
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is May (19 days).
The month with the least rainy days is November (10.2 days).
Average snowfall in December
Greenup, KY
- Average snowfall in December: 1.77"
The month with the highest snowfall is January (2.56").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Greenup, KY
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (8.6 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
Greenup, KY
- Average daylight in December: 9h and 30min
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 12min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Greenup, KY
- Average sunshine days in December: 14.6 days
The month with the most sunshine days is October (18.4 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Greenup, 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, November and December (UV index 2).
Average cloud cover in December
Greenup, 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 30).
Average visibility in December
Greenup, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, October, November and December (6mi).
The months with the lowest visibility are January, February, May, July, August and September (5mi).





