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
A modest decline in the average high-temperature is seen during December, decreasing from a cool 52.3°F (11.3°C) in November to a frosty 43.5°F (6.4°C). Throughout December, the average low-temperature in Charlton Heights records at a subzero cold 31.5°F (-0.3°C).Humidity
The average relative humidity in December is 81%.Rainfall
In December, the rain falls for 14.5 days. Throughout December, 3.31" (84mm) of precipitation is accumulated. In Charlton Heights, during the entire year, the rain falls for 193.3 days and collects up to 35.98" (914mm) of precipitation.Snowfall
Months with snowfall are January through May, October through December. In Charlton Heights, West Virginia, during December, snow falls for 8.7 days and regularly aggregates up to 4.17" (106mm) of snow. In Charlton Heights, during the entire year, snow falls for 45.1 days and aggregates up to 22.2" (564mm) of snow.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Charlton Heights.On the first day of the month, sunrise is at 7:23 am and sunset at 5:05 pm. On the last day of December, in Charlton Heights, sunrise is at 7:41 am and sunset at 5:15 pm EST.
Sunshine
In Charlton Heights, the average sunshine in December is 4.3h.UV index
The months with the lowest UV index in Charlton Heights are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index of 2 during December leads to these instructions:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. 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
Is it cold in Charlton Heights during December?
What is the average humidity in December in Charlton Heights?
How much does it rain in Charlton Heights in December?
How much does it snow in Charlton Heights in December?
What is the month with the shortest days in Charlton Heights?
How many hours of daylight does Charlton Heights have in December?
What time are sunrise and sunset in December in Charlton Heights?
How many hours of sunshine does Charlton Heights have in December?
When is the lowest UV index in Charlton Heights?
What is the UV index intensity in December in Charlton Heights?
Average temperature in December
Charlton Heights, WV
- Average high temperature in December: 43.5°F
The warmest month (with the highest average high temperature) is July (83.8°F).
The month with the lowest average high temperature is January (37.9°F).
- Average low temperature in December: 31.5°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (24.3°F).
Average pressure in December
Charlton Heights, WV
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is November (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Charlton Heights, WV
- Average wind speed in December: 6.3mph
The windiest month (with the highest average wind speed) is February (6.9mph).
The calmest month (with the lowest average wind speed) is August (4.1mph).
Average humidity in December
Charlton Heights, WV
- Average humidity in December: 81%
The month with the highest relative humidity is February (83%).
The months with the lowest relative humidity are June, July, August and November (77%).
Average rainfall in December
Charlton Heights, WV
- Average rainfall in December: 3.31"
The wettest month (with the highest rainfall) is May (3.94").
The driest month (with the least rainfall) is September (1.85").
Average rainfall days in December
Charlton Heights, WV
- Average rainfall days in December: 14.5 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is November (12.1 days).
Average snowfall in December
Charlton Heights, WV
- Average snowfall in December: 4.17"
The month with the highest snowfall is January (5.75").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Charlton Heights, WV
- Average snowfall days in December: 8.7 days
The month with the highest number of snowfall days is January (13.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Charlton Heights, WV
- Average daylight in December: 9h and 4min
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 36min).
- Average sunshine in December: 4h and 2min
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 42min).
Average sunshine days in December
Charlton Heights, WV
- Average sunshine days in December: 10.3 days
The month with the most sunshine days is November (15.6 days).
The month with the least sunshine days is February (7.6 days).
Average UV index in December
Charlton Heights, WV
- Average UV index in December: 2
The months with the highest UV index are 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
Charlton Heights, WV
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Charlton Heights, 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).
Charlton Heights, West Virginia, USA
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