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
December weather is marked by a drop in the average high-temperature, falling from a fresh 52°F (11.1°C) in November to a frosty 42.8°F (6°C). December witnesses an average nighttime temperature of 30.4°F (-0.9°C) in Greensburg.Humidity
May, October and December, with an average relative humidity of 78%, are the most humid months.Rainfall
In Greensburg, West Virginia, in December, it is raining for 10.3 days, with typically 2.48" (63mm) of accumulated precipitation. In Greensburg, West Virginia, during the entire year, the rain falls for 169.2 days and collects up to 32.6" (828mm) of precipitation.Snowfall
January through May, November and December are months with snowfall. In December, in Greensburg, West Virginia, it is snowing for 4.3 days. Throughout December, 2.8" (71mm) of snow is accumulated. Throughout the year, in Greensburg, there are 22.7 snowfall days, and 14.21" (361mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Greensburg.On the first day of December, sunrise is at 7:13 am and sunset at 4:48 pm. On the last day of the month, sunrise is at 7:31 am and sunset at 4:58 pm EST.
Sunshine
In Greensburg, the average sunshine in December is 5h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The daily high UV index of 2 in December translates into this advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold in Greensburg?
What is the most humid month in Greensburg?
What is the average humidity in December in Greensburg?
How many days does it rain in December in Greensburg?
How many days does it snow in December in Greensburg?
What is the month with the shortest days in Greensburg?
What is the average length of the day in December in Greensburg?
When is the sunrise / sunset in December in Greensburg?
How many hours of sunshine does Greensburg have in December?
What are the months with the lowest UV index in Greensburg?
What is the UV index intensity in December in Greensburg?
Average temperature in December
Greensburg, WV
- Average high temperature in December: 42.8°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°F).
- Average low temperature in December: 30.4°F
The month with the highest average low temperature is July (64.2°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Greensburg, WV
- Average pressure in December: 30.11"Hg
The month with the highest atmospheric pressure is November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Greensburg, WV
- Average wind speed in December: 6.6mph
The windiest months (with the highest average wind speed) are January, February, March and April (7.3mph).
The calmest month (with the lowest average wind speed) is August (4.3mph).
Average humidity in December
Greensburg, WV
- Average humidity in December: 78%
The months with the highest relative humidity are May, October and December (78%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Greensburg, WV
- Average rainfall in December: 2.48"
The wettest months (with the highest rainfall) are May and July (3.54").
The driest month (with the least rainfall) is January (2.13").
Average rainfall days in December
Greensburg, WV
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is January (9.1 days).
Average snowfall in December
Greensburg, WV
- Average snowfall in December: 2.8"
The month with the highest snowfall is January (3.86").
The months with the least snowfall are June, July, August, September and October (0").
Average snowfall days in December
Greensburg, WV
- Average snowfall days in December: 4.3 days
The month with the highest number of snowfall days is January (7.1 days).
The months with the least snowfall days are June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Greensburg, WV
- Average daylight in December: 9h and 2min
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 24min).
- Average sunshine in December: 5h and 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 54min).
Average sunshine days in December
Greensburg, WV
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (18.8 days).
The month with the least sunshine days is May (9.9 days).
Average UV index in December
Greensburg, WV
- 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
Greensburg, WV
- Average cloud cover in December: 48
The months with the most cloud cover are March and December (Cloud cover 48).
The month with the least cloud cover is July (Cloud cover 31).
Average visibility in December
Greensburg, WV
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, June, July, August, November and December (6mi).
The months with the lowest visibility are May, September and October (5mi).
Greensburg, West Virginia, USA
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