December weather forecastDelray, WV
December
Weather in December
The first month of the winter, December, is also an icy month in Delray, West Virginia, with an average temperature ranging between min 29.1°F (-1.6°C) and max 41.5°F (5.3°C).Temperature
December shows a mild decline in the average high-temperature, falling from November's cool 50.9°F (10.5°C) to a cold 41.5°F (5.3°C). Delray's nighttime temperature in December drops to an average of 29.1°F (-1.6°C).Humidity
In December, the average relative humidity is 78%.Rainfall
In Delray, in December, during 11.5 rainfall days, 2.2" (56mm) of precipitation is typically accumulated. In Delray, during the entire year, the rain falls for 166 days and collects up to 25.83" (656mm) of precipitation.Snowfall
January through May, October through December are months with snowfall. In Delray, West Virginia, in December, during 5.9 snowfall days, 2.24" (57mm) of snow is typically accumulated. Throughout the year, there are 31.2 snowfall days, and 16.5" (419mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of the month, sunrise is at 7:15 am and sunset at 4:51 pm. On the last day of December, sunrise is at 7:33 am and sunset at 5:01 pm EST.
Sunshine
January and December, with an average of 5.1h of sunshine, are months with the least sunshine.UV index
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: A daily high UV index of 2 in December leads to these guidelines:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Take warning! The intensity of the Sun's UV radiation can be nearly amplified twice due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Delray, WV
- Average high temperature in December: 41.5°F
The warmest month (with the highest average high temperature) is July (84.7°F).
The month with the lowest average high temperature is January (36.1°F).
- Average low temperature in December: 29.1°F
The month with the highest average low temperature is July (60.6°F).
The coldest month (with the lowest average low temperature) is January (22.5°F).
Average pressure in December
Delray, 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
Delray, WV
- Average wind speed in December: 6.2mph
The windiest month (with the highest average wind speed) is February (7.1mph).
The calmest month (with the lowest average wind speed) is August (4mph).
Average humidity in December
Delray, WV
- Average humidity in December: 78%
The month with the highest relative humidity is October (79%).
The months with the lowest relative humidity are April and July (74%).
Average rainfall in December
Delray, WV
- Average rainfall in December: 2.2"
The wettest month (with the highest rainfall) is May (3.11").
The driest months (with the least rainfall) are February and November (1.73").
Average rainfall days in December
Delray, WV
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is November (9.1 days).
Average snowfall in December
Delray, WV
- Average snowfall in December: 2.24"
The month with the highest snowfall is March (4.21").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Delray, WV
- Average snowfall days in December: 5.9 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Delray, WV
- Average daylight in December: 9h and 30min
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 30min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is July (Average sunshine: 10h and 42min).
The months with the least sunshine are January and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Delray, WV
- Average sunshine days in December: 15.3 days
The month with the most sunshine days is November (18.3 days).
The month with the least sunshine days is May (10.1 days).
Average UV index in December
Delray, WV
- Average UV index in December: 2
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Delray, WV
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 47).
The month with the least cloud cover is July (Cloud cover 30).
Average visibility in December
Delray, WV
- Average visibility in December: 6mi
The months with the highest visibility are April, June, July, November and December (6mi).
The months with the lowest visibility are January, February, March, May, August, September and October (5mi).
