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 51.1°F (10.6°C) in November to a cold 42.3°F (5.7°C). Flatwoods reports an average low-temperature of 30.6°F (-0.8°C) during the nights of December.Humidity
In Flatwoods, the average relative humidity in December is 81%.Rainfall
In December, in Flatwoods, the rain falls for 14.1 days. Throughout December, 3.5" (89mm) of precipitation is accumulated. Throughout the year, there are 195.1 rainfall days, and 38.98" (990mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall in Flatwoods. In Flatwoods, in December, during 12 snowfall days, 6.46" (164mm) of snow is typically accumulated. In Flatwoods, during the entire year, snow falls for 58.6 days and aggregates up to 34.25" (870mm) of snow.Daylight
With an average of 9h and 30min of daylight, December has the shortest days of the year in Flatwoods.On the first day of December, sunrise is at 7:22 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:40 am and sunset at 5:11 pm EST.
Sunshine
The average sunshine in December is 4.1h.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 hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Although the majority can endure up to an hour in the sun without burns, children always require sun protection. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Note well! The intensity of the Sun's UV rays can be nearly doubled by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold does it get in Flatwoods in December?
What is the average humidity in December in Flatwoods?
How much does it rain in Flatwoods in December?
How much does it snow in Flatwoods in December?
What is the month with the shortest days in Flatwoods?
How many hours of daylight does Flatwoods have in December?
When are sunrise and sunset in December in Flatwoods?
How long on average sun shines in December in Flatwoods?
When is the lowest UV index in Flatwoods?
What is the UV index intensity in December in Flatwoods?
Average temperature in December
Flatwoods, WV
- Average high temperature in December: 42.3°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 (36.5°F).
- Average low temperature in December: 30.6°F
The month with the highest average low temperature is July (61°F).
The coldest month (with the lowest average low temperature) is January (23.4°F).
Average pressure in December
Flatwoods, 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 (29.97"Hg).
Average wind speed in December
Flatwoods, WV
- Average wind speed in December: 6.5mph
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
Flatwoods, WV
- Average humidity in December: 81%
The months with the highest relative humidity are January and February (83%).
The months with the lowest relative humidity are June, August and November (77%).
Average rainfall in December
Flatwoods, WV
- Average rainfall in December: 3.5"
The wettest month (with the highest rainfall) is May (4.37").
The driest month (with the least rainfall) is September (1.93").
Average rainfall days in December
Flatwoods, WV
- Average rainfall days in December: 14.1 days
The month with the highest number of rainy days is May (21.5 days).
The month with the least rainy days is February (12.9 days).
Average snowfall in December
Flatwoods, WV
- Average snowfall in December: 6.46"
The month with the highest snowfall is January (8.46").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Flatwoods, WV
- Average snowfall days in December: 12 days
The month with the highest number of snowfall days is January (16.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Flatwoods, 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 18min).
The month with the least sunshine is January (Average sunshine: 3h and 42min).
Average sunshine days in December
Flatwoods, WV
- Average sunshine days in December: 9.5 days
The month with the most sunshine days is October (14.3 days).
The months with the least sunshine days are January and February (7.3 days).
Average UV index in December
Flatwoods, WV
- Average UV index in December: 2
The months with the highest UV index are 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
Flatwoods, 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 33).
Average visibility in December
Flatwoods, WV
- Average visibility in December: 5mi
The months with the highest visibility are April and November (6mi).
The month with the lowest visibility is January (4mi).
Flatwoods, West Virginia, USA
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