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 begins, there is a minor decrease in the average high-temperature, softly falling from a cool 51.8°F (11°C) in November to a chilly 43.5°F (6.4°C). Lillyhaven's nighttime temperature during December is consistently averaged at a freezing cold 31.1°F (-0.5°C).Humidity
In December, the average relative humidity in Lillyhaven is 81%.Rainfall
In Lillyhaven, West Virginia, in December, it is raining for 9.5 days, with typically 1.57" (40mm) of accumulated precipitation. Throughout the year, in Lillyhaven, there are 135.9 rainfall days, and 16.46" (418mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Lillyhaven, West Virginia, in December, snow falls for 5.4 days, with typically accumulated 2.05" (52mm) of snow. Throughout the year, there are 30.3 snowfall days, and 8.66" (220mm) of snow is accumulated.Daylight
December has the shortest days of the year in Lillyhaven, West Virginia, 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 5:08 pm. On the last day of December, in Lillyhaven, sunrise is at 7:41 am and sunset at 5:18 pm EST.
Sunshine
In December, the average sunshine in Lillyhaven is 4.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Lillyhaven. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
Is December cold in Lillyhaven?
What is the average humidity in December in Lillyhaven?
How many days does it rain in December in Lillyhaven?
How many days does it snow in December in Lillyhaven?
What is the month with the shortest days in Lillyhaven?
How many hours of daylight does Lillyhaven have in December?
When is the sunrise / sunset in December in Lillyhaven?
How long on average sun shines in December in Lillyhaven?
What are the months with the lowest UV index in Lillyhaven?
What is the UV index reading in December in Lillyhaven?
Average temperature in December
Lillyhaven, WV
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (83.5°F).
The month with the lowest average high temperature is January (38.7°F).
- Average low temperature in December: 31.1°F
The month with the highest average low temperature is July (60.4°F).
The coldest month (with the lowest average low temperature) is January (24.4°F).
Average pressure in December
Lillyhaven, 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
Lillyhaven, WV
- Average wind speed in December: 6.4mph
The windiest months (with the highest average wind speed) are January and February (7mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Lillyhaven, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are April, June, July, August and November (77%).
Average rainfall in December
Lillyhaven, WV
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is May (1.85").
The driest month (with the least rainfall) is September (0.71").
Average rainfall days in December
Lillyhaven, WV
- Average rainfall days in December: 9.5 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is November (7.8 days).
Average snowfall in December
Lillyhaven, WV
- Average snowfall in December: 2.05"
The month with the highest snowfall is March (2.13").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Lillyhaven, WV
- Average snowfall days in December: 5.4 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Lillyhaven, WV
- 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 3min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Lillyhaven, WV
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is May (12.6 days).
Average UV index in December
Lillyhaven, 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
Lillyhaven, WV
- Average cloud cover in December: 57
The month with the most cloud cover is January (Cloud cover 62).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Lillyhaven, 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).
Lillyhaven, West Virginia, USA
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