December weather forecastDeCoursey, KY
December
Weather in December
December, the first month of the winter in DeCoursey, is also an icy month, with temperature in the range of an average low of 30.9°F (-0.6°C) and an average high of 41.9°F (5.5°C).Temperature
The move into December indicates a reduction in the average high-temperature, down from November's fresh 51.6°F (10.9°C) to an icy 41.9°F (5.5°C). An average temperature of 30.9°F (-0.6°C) is recorded in DeCoursey during the nights in December.Humidity
February and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In DeCoursey, Kentucky, in December, during 11.5 rainfall days, 2.13" (54mm) of precipitation is typically accumulated. In DeCoursey, Kentucky, during the entire year, the rain falls for 154.2 days and collects up to 26.46" (672mm) of precipitation.Snowfall
Months with snowfall in DeCoursey are January through April, October through December. In DeCoursey, Kentucky, in December, during 7.7 snowfall days, 1.46" (37mm) of snow is typically accumulated. In DeCoursey, during the entire year, snow falls for 33.8 days and aggregates up to 9.13" (232mm) of snow.Daylight
December has the shortest days of the year in DeCoursey, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 7:38 am and sunset at 5:16 pm. On the last day of the month, sunrise is at 7:56 am and sunset at 5:25 pm EST.
Sunshine
The average sunshine in December in DeCoursey is 4.1h.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 of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
DeCoursey, KY
- Average high temperature in December: 41.9°F
The warmest month (with the highest average high temperature) is July (85.1°F).
The month with the lowest average high temperature is January (36.7°F).
- Average low temperature in December: 30.9°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 (24.1°F).
Average pressure in December
DeCoursey, KY
- Average pressure in December: 30.13"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in December
DeCoursey, KY
- Average wind speed in December: 7.8mph
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
DeCoursey, KY
- Average humidity in December: 81%
The months with the highest relative humidity are February and December (81%).
The months with the lowest relative humidity are August and September (74%).
Average rainfall in December
DeCoursey, KY
- Average rainfall in December: 2.13"
The wettest month (with the highest rainfall) is May (3.11").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
DeCoursey, KY
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (17.2 days).
The month with the least rainy days is January (8.8 days).
Average snowfall in December
DeCoursey, KY
- Average snowfall in December: 1.46"
The month with the highest snowfall is February (2.24").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
DeCoursey, KY
- Average snowfall days in December: 7.7 days
The month with the highest number of snowfall days is January (8.8 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
DeCoursey, KY
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
DeCoursey, KY
- Average sunshine days in December: 13.3 days
The months with the most sunshine days are October and November (18.1 days).
The month with the least sunshine days is May (11.3 days).
Average UV index in December
DeCoursey, 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
DeCoursey, KY
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in December
DeCoursey, KY
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is May (5mi).





