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
As December commences, the average high-temperature shows a reduction, transitioning from a cool 54.5°F (12.5°C) in November to a frosty 45.5°F (7.5°C). In McCombs, the average nighttime temperature during December is a wintry 33.1°F (0.6°C).Humidity
In McCombs, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 3.23" (82mm) of precipitation is accumulated. Throughout the year, there are 181.8 rainfall days, and 33.43" (849mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In McCombs, during December, snow falls for 6.7 days and regularly aggregates up to 3.23" (82mm) of snow. In McCombs, during the entire year, snow falls for 35.7 days and aggregates up to 14.09" (358mm) of snow.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:27 am and sunset at 5:12 pm. On the last day of December, in McCombs, sunrise is at 7:45 am and sunset at 5:22 pm EST.
Sunshine
In December, the average sunshine is 4.6h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: The maximum UV index of 2 during December translates into these guidelines:
Infants, children, and people with sensitive skin should always have protection against lengthy periods of sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To cut down UV radiation exposure by about half, sport a wide-brim hat. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does McCombs have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does McCombs have in December?
What are the months with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
McCombs, KY
- Average high temperature in December: 45.5°F
The warmest month (with the highest average high temperature) is July (86.9°F).
The month with the lowest average high temperature is January (40.6°F).
- Average low temperature in December: 33.1°F
The month with the highest average low temperature is July (63.7°F).
The coldest month (with the lowest average low temperature) is January (27.1°F).
Average pressure in December
McCombs, KY
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
McCombs, KY
- Average wind speed in December: 6mph
The windiest month (with the highest average wind speed) is April (6.6mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
McCombs, KY
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The months with the lowest relative humidity are August and November (74%).
Average rainfall in December
McCombs, KY
- Average rainfall in December: 3.23"
The wettest month (with the highest rainfall) is February (3.66").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
McCombs, KY
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in December
McCombs, KY
- Average snowfall in December: 3.23"
The month with the highest snowfall is January (3.62").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
McCombs, KY
- Average snowfall days in December: 6.7 days
The month with the highest number of snowfall days is January (11.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
McCombs, 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 month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
McCombs, KY
- Average sunshine days in December: 12.3 days
The month with the most sunshine days is October (16.1 days).
The month with the least sunshine days is February (8.3 days).
Average UV index in December
McCombs, 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
McCombs, KY
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 58).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
McCombs, KY
- Average visibility in December: 5mi
The months with the highest visibility are April, June, October and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September and December (5mi).
McCombs, Kentucky, USA
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