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 signals a slight drop in average high-temperature, sliding from November's cool 51.6°F (10.9°C) to a chilly 42.8°F (6°C). Shady Brook reports a consistent average low-temperature of 30.9°F (-0.6°C) throughout December nights.Humidity
The average relative humidity in December is 81%.Rainfall
In December, the rain falls for 13 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. Throughout the year, there are 182.8 rainfall days, and 38.62" (981mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Shady Brook, during December, snow falls for 12.1 days and regularly aggregates up to 5.67" (144mm) of snow. In Shady Brook, during the entire year, snow falls for 58.9 days and aggregates up to 32.17" (817mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Shady Brook, sunrise is at 7:22 am and sunset at 4:59 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:09 pm EST.
Sunshine
In December, the average sunshine is 3.7h.UV index
The months with the lowest UV index in Shady Brook are January, February, November and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A typical high UV index of 2 in December suggests the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. The Sun is at its harshest during midday; protect yourself by staying in shaded areas and minimizing exposure. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Is December cold?
What is the average humidity in December?
How many days does it rain in December?
How many days does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Shady Brook have in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Shady Brook have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Shady Brook, WV
- Average high temperature in December: 42.8°F
The warmest month (with the highest average high temperature) is July (83.7°F).
The month with the lowest average high temperature is January (37°F).
- Average low temperature in December: 30.9°F
The month with the highest average low temperature is July (62.1°F).
The coldest month (with the lowest average low temperature) is January (23.5°F).
Average pressure in December
Shady Brook, WV
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Shady Brook, WV
- Average wind speed in December: 6.2mph
The windiest months (with the highest average wind speed) are January and February (6.8mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Shady Brook, WV
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The month with the lowest relative humidity is August (76%).
Average rainfall in December
Shady Brook, WV
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is May (4.49").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Shady Brook, WV
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (11.4 days).
Average snowfall in December
Shady Brook, WV
- Average snowfall in December: 5.67"
The month with the highest snowfall is January (8.15").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Shady Brook, WV
- Average snowfall days in December: 12.1 days
The month with the highest number of snowfall days is January (16.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shady Brook, WV
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 3h and 4min
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 18min).
Average sunshine days in December
Shady Brook, WV
- Average sunshine days in December: 9 days
The month with the most sunshine days is October (14.1 days).
The months with the least sunshine days are January and February (7.6 days).
Average UV index in December
Shady Brook, WV
- Average UV index in December: 2
The months with the highest UV index are May, 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
Shady Brook, WV
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Shady Brook, WV
- Average visibility in December: 5mi
The month with the highest visibility is November (6mi).
The months with the lowest visibility are January and February (4mi).
Shady Brook, West Virginia, USA
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