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 shift from November to December involves a decrease in the average high-temperature, from a fresh 50.5°F (10.3°C) to a wintry 41°F (5°C). Johnsons Mill's nighttime temperature in December drops to an average of 29.1°F (-1.6°C).Humidity
February, October and December, with an average relative humidity of 79%, are the most humid months.Rainfall
In Johnsons Mill, West Virginia, in December, it is raining for 10.6 days, with typically 2.05" (52mm) of accumulated precipitation. Throughout the year, there are 158.9 rainfall days, and 26.1" (663mm) of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. In Johnsons Mill, in December, snow falls for 4.5 days, with typically accumulated 1.85" (47mm) of snow. In Johnsons Mill, during the entire year, snow falls for 25.1 days and aggregates up to 13.31" (338mm) of snow.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year in Johnsons Mill.On the first day of December in Johnsons Mill, West Virginia, sunrise is at 7:14 am and sunset at 4:49 pm. On the last day of the month, sunrise is at 7:33 am and sunset at 4:59 pm EST.
Sunshine
The average sunshine in December in Johnsons Mill is 5h.UV index
The months with the lowest UV index in Johnsons Mill, West Virginia, are January, February, November and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: During December, 2 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
Is it cold in Johnsons Mill during December?
What are the most humid months in Johnsons Mill?
What is the average humidity in December in Johnsons Mill?
How many days does it rain in December in Johnsons Mill?
How much does it snow in Johnsons Mill in December?
What is the month with the shortest days in Johnsons Mill?
What is the average length of the day in December in Johnsons Mill?
When are sunrise and sunset in December in Johnsons Mill?
How many hours of sunshine does Johnsons Mill have in December?
When is the lowest UV index in Johnsons Mill?
How high is the UV index in December in Johnsons Mill?
Average temperature in December
Johnsons Mill, WV
- Average high temperature in December: 41°F
The warmest month (with the highest average high temperature) is July (85.5°F).
The month with the lowest average high temperature is January (36°F).
- Average low temperature in December: 29.1°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 (22.5°F).
Average pressure in December
Johnsons Mill, 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
Johnsons Mill, WV
- Average wind speed in December: 6.5mph
The windiest months (with the highest average wind speed) are January and February (7.2mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Johnsons Mill, WV
- Average humidity in December: 79%
The months with the highest relative humidity are February, October and December (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Johnsons Mill, WV
- Average rainfall in December: 2.05"
The wettest month (with the highest rainfall) is May (3.03").
The driest month (with the least rainfall) is November (1.69").
Average rainfall days in December
Johnsons Mill, WV
- Average rainfall days in December: 10.6 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Johnsons Mill, WV
- Average snowfall in December: 1.85"
The month with the highest snowfall is February (3.9").
The months with the least snowfall are May, June, July, August, September and October (0").
Average snowfall days in December
Johnsons Mill, WV
- Average snowfall days in December: 4.5 days
The month with the highest number of snowfall days is January (7.5 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Johnsons Mill, 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 0min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 4h and 48min).
Average sunshine days in December
Johnsons Mill, WV
- Average sunshine days in December: 16.6 days
The month with the most sunshine days is November (19.1 days).
The month with the least sunshine days is May (10.7 days).
Average UV index in December
Johnsons Mill, WV
- Average UV index in December: 2
The months with the highest UV index are May, June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Johnsons Mill, WV
- Average cloud cover in December: 48
The month with the most cloud cover is January (Cloud cover 49).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Johnsons Mill, WV
- Average visibility in December: 5mi
The months with the highest visibility are February, March, April, June, July and November (6mi).
The months with the lowest visibility are January, May, August, September, October and December (5mi).
Johnsons Mill, West Virginia, USA
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