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 witnesses a gentle descent in average high-temperature, descending from November's cool 51.3°F (10.7°C) to a chilly 42.8°F (6°C). Greendale, in the month of December, anticipates a consistent average low-temperature of 30.4°F (-0.9°C).Humidity
The average relative humidity in December in Greendale is 82%.Rainfall
In December, the rain falls for 13 days. Throughout December, 2.72" (69mm) of precipitation is accumulated. Throughout the year, in Greendale, there are 176.2 rainfall days, and 30.55" (776mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Greendale, in December, snow falls for 9.7 days, with typically accumulated 3.74" (95mm) of snow. Throughout the year, in Greendale, there are 48.4 snowfall days, and 21.34" (542mm) of snow is accumulated.Daylight
December has the shortest days of the year in Greendale, with an average of 9h and 36min of daylight.On the first day of the month, sunrise is at 7:23 am and sunset at 5:04 pm. On the last day of December, sunrise is at 7:41 am and sunset at 5:14 pm EST.
Sunshine
The average sunshine in December in Greendale is 4.3h.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 reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
How cold is December in Greendale?
What is the average humidity in December in Greendale?
How much does it rain in Greendale in December?
How many days does it snow in December in Greendale?
What is the month with the shortest days in Greendale?
What is the average length of the day in December in Greendale?
When are sunrise and sunset in December in Greendale?
How long on average sun shines in December in Greendale?
What is the month with the lowest UV index in Greendale?
What is the UV index intensity in December in Greendale?
Average temperature in December
Greendale, WV
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (82.2°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 (60.6°F).
The coldest month (with the lowest average low temperature) is January (24.1°F).
Average pressure in December
Greendale, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Greendale, WV
- Average wind speed in December: 6.6mph
The windiest month (with the highest average wind speed) is February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Greendale, WV
- Average humidity in December: 82%
The month with the highest relative humidity is February (84%).
The month with the lowest relative humidity is June (77%).
Average rainfall in December
Greendale, WV
- Average rainfall in December: 2.72"
The wettest month (with the highest rainfall) is May (3.35").
The driest month (with the least rainfall) is September (1.54").
Average rainfall days in December
Greendale, WV
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (20.4 days).
The month with the least rainy days is November (11 days).
Average snowfall in December
Greendale, WV
- Average snowfall in December: 3.74"
The month with the highest snowfall is January (5.59").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Greendale, WV
- Average snowfall days in December: 9.7 days
The month with the highest number of snowfall days is January (14.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Greendale, WV
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 6min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Greendale, WV
- Average sunshine days in December: 11 days
The month with the most sunshine days is October (16.5 days).
The month with the least sunshine days is January (8.4 days).
Average UV index in December
Greendale, WV
- 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
Greendale, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 64).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Greendale, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The months with the lowest visibility are January, February, March, May, June, July, August, September, October and December (5mi).
Greendale, West Virginia, USA
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