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
Greensburg's December weather features a light decline in high-temperatures, reducing from a cool 54.5°F (12.5°C) in November to a chilly 46°F (7.8°C). In Greensburg, in December, the average low-temperature is an icy 33.8°F (1°C).Humidity
The months with the highest humidity in Greensburg are February and December, with an average relative humidity of 80%.Rainfall
In Greensburg, during December, the rain falls for 12.8 days and regularly aggregates up to 2.95" (75mm) of precipitation. In Greensburg, Kentucky, during the entire year, the rain falls for 172.3 days and collects up to 36.93" (938mm) of precipitation.Snowfall
January through April, October through December are months with snowfall in Greensburg. In Greensburg, in December, snow falls for 4.9 days, with typically accumulated 1.02" (26mm) of snow. Throughout the year, in Greensburg, there are 25.1 snowfall days, and 7.6" (193mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 6:37 am and sunset at 4:24 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 4:34 pm CST.
Sunshine
In Greensburg, the average sunshine in December is 4.4h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during December translates into the following guidance:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Greensburg?
What is the most humid month in Greensburg?
What is the average humidity in December in Greensburg?
How much does it rain in Greensburg in December?
How much does it snow in Greensburg in December?
What is the month with the shortest days in Greensburg?
What is the average length of the day in December in Greensburg?
When are sunrise and sunset in December in Greensburg?
How many hours of sunshine does Greensburg have in December?
When is the lowest UV index in Greensburg?
What is the UV index intensity in December in Greensburg?
Average temperature in December
Greensburg, KY
- Average high temperature in December: 46°F
The warmest month (with the highest average high temperature) is July (86.2°F).
The month with the lowest average high temperature is January (41°F).
- Average low temperature in December: 33.8°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 (27.5°F).
Average pressure in December
Greensburg, 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
Greensburg, KY
- Average wind speed in December: 7.6mph
The windiest months (with the highest average wind speed) are January and February (8.3mph).
The calmest month (with the lowest average wind speed) is August (4.8mph).
Average humidity in December
Greensburg, KY
- Average humidity in December: 80%
The months with the highest relative humidity are February and December (80%).
The month with the lowest relative humidity is October (75%).
Average rainfall in December
Greensburg, KY
- Average rainfall in December: 2.95"
The wettest month (with the highest rainfall) is July (3.82").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Greensburg, KY
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is July (18.3 days).
The month with the least rainy days is November (10.5 days).
Average snowfall in December
Greensburg, KY
- Average snowfall in December: 1.02"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Greensburg, KY
- Average snowfall days in December: 4.9 days
The month with the highest number of snowfall days is January (7.4 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
Greensburg, 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 2min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 12min).
Average sunshine days in December
Greensburg, KY
- Average sunshine days in December: 14.4 days
The month with the most sunshine days is October (17 days).
The month with the least sunshine days is July (10.8 days).
Average UV index in December
Greensburg, 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
Greensburg, KY
- Average cloud cover in December: 54
The months with the most cloud cover are January and February (Cloud cover 56).
The month with the least cloud cover is August (Cloud cover 30).
Average visibility in December
Greensburg, KY
- Average visibility in December: 6mi
The months with the highest visibility are March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, May and July (5mi).
Greensburg, Kentucky, USA
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