December weather forecastDallas, WV
December
Weather in December
The first month of the winter, December, is still a cold month in Dallas, West Virginia, with temperature in the range of an average low of 28.6°F (-1.9°C) and an average high of 40.1°F (4.5°C).Temperature
In the transition to December, Dallas observes a drop in the average high-temperature, moving from a frosty 49.8°F (9.9°C) in November to a cold 40.1°F (4.5°C). December witnesses an average nighttime temperature of 28.6°F (-1.9°C).Humidity
The average relative humidity in December is 83%.Rainfall
In Dallas, during December, the rain falls for 13.2 days and regularly aggregates up to 3.11" (79mm) of precipitation. In Dallas, during the entire year, the rain falls for 184.2 days and collects up to 35.75" (908mm) of precipitation.Snowfall
January through May, October through December are months with snowfall in Dallas. In December, in Dallas, it is snowing for 12.9 days. Throughout December, 5" (127mm) of snow is accumulated. Throughout the year, there are 61.5 snowfall days, and 25.98" (660mm) of snow is accumulated.Daylight
With an average of 9h and 24min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:25 am and sunset at 4:57 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 5:07 pm EST.
Sunshine
In December, the average sunshine is 3.5h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index in Dallas. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
In contrast to children, who must always be shielded from the sun, most people can tolerate up to an hour of sun exposure without any burns. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Dallas, WV
- Average high temperature in December: 40.1°F
The warmest month (with the highest average high temperature) is July (83.3°F).
The month with the lowest average high temperature is January (34.3°F).
- Average low temperature in December: 28.6°F
The month with the highest average low temperature is July (61.7°F).
The coldest month (with the lowest average low temperature) is January (21°F).
Average pressure in December
Dallas, 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
Dallas, WV
- Average wind speed in December: 7mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest month (with the lowest average wind speed) is August (4.5mph).
Average humidity in December
Dallas, WV
- Average humidity in December: 83%
The month with the highest relative humidity is February (85%).
The months with the lowest relative humidity are April, July and August (77%).
Average rainfall in December
Dallas, WV
- Average rainfall in December: 3.11"
The wettest month (with the highest rainfall) is May (3.66").
The driest month (with the least rainfall) is November (2.24").
Average rainfall days in December
Dallas, WV
- Average rainfall days in December: 13.2 days
The month with the highest number of rainy days is May (20.8 days).
The month with the least rainy days is January (10.7 days).
Average snowfall in December
Dallas, WV
- Average snowfall in December: 5"
The month with the highest snowfall is February (6.54").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Dallas, WV
- Average snowfall days in December: 12.9 days
The month with the highest number of snowfall days is January (17.6 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Dallas, WV
- Average daylight in December: 9h and 24min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 24min).
- Average sunshine in December: 3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 0min).
The month with the least sunshine is January (Average sunshine: 3h and 0min).
Average sunshine days in December
Dallas, WV
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is November (15.5 days).
The month with the least sunshine days is January (7.5 days).
Average UV index in December
Dallas, WV
- Average UV index in December: 2
The month with the highest UV index is June (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Dallas, WV
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 69).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Dallas, WV
- Average visibility in December: 5mi
The month with the highest visibility is April (6mi).
The months with the lowest visibility are January and February (4mi).
