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
The arrival of December corresponds with a reduction in the average high-temperature, down from November's fresh 50.9°F (10.5°C) to a wintry 41.5°F (5.3°C). During December, Slanesville records an average temperature of 29.1°F (-1.6°C) at night.Humidity
The average relative humidity in December in Slanesville is 78%.Rainfall
In December, in Slanesville, the rain falls for 11.5 days. Throughout December, 2.2" (56mm) of precipitation is accumulated. Throughout the year, in Slanesville, West Virginia, there are 166 rainfall days, and 25.83" (656mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In December, it is snowing for 5.9 days. Throughout December, 2.24" (57mm) of snow is accumulated. Throughout the year, there are 31.2 snowfall days, and 16.5" (419mm) of snow is accumulated.Daylight
December has the shortest days of the year in Slanesville, with an average of 9h and 24min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:00 pm EST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.1h of sunshine.UV index
January through March, November 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 low health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a regular UV index of 2 translates into these guidelines:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Frequently asked questions
Is it cold in Slanesville during December?
What is the average humidity in December in Slanesville?
How many days does it rain in December in Slanesville?
How many days does it snow in December in Slanesville?
What is the month with the shortest days in Slanesville?
What is the average length of the day in December in Slanesville?
When are sunrise and sunset in December in Slanesville?
What is the month with the least sunshine in Slanesville?
How long on average sun shines in December in Slanesville?
What is the month with the lowest UV index in Slanesville?
What is the UV index reading in December in Slanesville?
Average temperature in December
Slanesville, WV
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 29.1°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 (22.5°F).
Average pressure in December
Slanesville, 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
Slanesville, WV
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Slanesville, WV
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Slanesville, WV
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are February and November (1.73").
Average rainfall days in December
Slanesville, WV
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Slanesville, WV
- Average snowfall in December: 2.24"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Slanesville, WV
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Slanesville, 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 1min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Slanesville, WV
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in December
Slanesville, WV
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Slanesville, WV
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Slanesville, WV
- Average visibility in December: 6mi
The months with the highest visibility are April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August, September and October (5mi).
Slanesville, West Virginia, USA
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