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 decrease in the average high-temperature, falling from a fresh 52.5°F (11.4°C) in November to a frosty 43.2°F (6.2°C). In Flatrock, December's nights observe an average temperature dip to a freezing cold 31.3°F (-0.4°C).Humidity
The average relative humidity in December in Flatrock is 81%.Rainfall
In Flatrock, in December, during 13 rainfall days, 2.44" (62mm) of precipitation is typically accumulated. In Flatrock, during the entire year, the rain falls for 169.2 days and collects up to 27.56" (700mm) of precipitation.Snowfall
January through April, November and December are months with snowfall in Flatrock. In Flatrock, in December, during 7.2 snowfall days, 1.38" (35mm) of snow is typically accumulated. In Flatrock, during the entire year, snow falls for 35.5 days and aggregates up to 7.2" (183mm) of snow.Daylight
December has the shortest days of the year in Flatrock, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:28 am and sunset at 5:06 pm. On the last day of December, in Flatrock, sunrise is at 7:46 am and sunset at 5:16 pm EST.
Sunshine
In Flatrock, the average sunshine in December is 4.1h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The UV index of 2 during December translates into the following guidance:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Frequently asked questions
How cold does it get in Flatrock in December?
What is the average humidity in December in Flatrock?
How much does it rain in Flatrock in December?
How many days does it snow in December in Flatrock?
What is the month with the shortest days in Flatrock?
How many hours of daylight does Flatrock have in December?
When are sunrise and sunset in December in Flatrock?
How many hours of sunshine does Flatrock have in December?
What is the month with the lowest UV index in Flatrock?
What is the UV index intensity in December in Flatrock?
Average temperature in December
Flatrock, WV
- Average high temperature in December: 43.2°F
The warmest month (with the highest average high temperature) is July (86.5°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.3°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Flatrock, WV
- Average pressure in December: 30.14"Hg
The months with the highest atmospheric pressure are January and November (30.15"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Flatrock, WV
- Average wind speed in December: 6.5mph
The windiest month (with the highest average wind speed) is February (7mph).
The calmest month (with the lowest average wind speed) is August (4.4mph).
Average humidity in December
Flatrock, WV
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (82%).
The month with the lowest relative humidity is August (74%).
Average rainfall in December
Flatrock, WV
- Average rainfall in December: 2.44"
The wettest month (with the highest rainfall) is May (3.27").
The driest month (with the least rainfall) is September (1.57").
Average rainfall days in December
Flatrock, WV
- Average rainfall days in December: 13 days
The month with the highest number of rainy days is May (19.3 days).
The month with the least rainy days is November (10.1 days).
Average snowfall in December
Flatrock, WV
- Average snowfall in December: 1.38"
The month with the highest snowfall is February (2.09").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Flatrock, WV
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Flatrock, WV
- Average daylight in December: 9h and 3min
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 30min).
- Average sunshine in December: 4h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Flatrock, WV
- Average sunshine days in December: 12.2 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is February (9.2 days).
Average UV index in December
Flatrock, 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 and December (UV index 2).
Average cloud cover in December
Flatrock, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 61).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Flatrock, WV
- Average visibility in December: 5mi
The months with the highest visibility are April, June and November (6mi).
The months with the lowest visibility are January, February, March, May, July, August, September, October and December (5mi).
Flatrock, West Virginia, USA
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