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 November makes way for December, Roanoke's average high-temperature eases from a refreshing 61.9°F (16.6°C) to a cool 55.2°F (12.9°C). Nightly temperatures in Roanoke drop to an average low of 40.3°F (4.6°C) in December.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In Roanoke, in December, during 14 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. Throughout the year, there are 181.7 rainfall days, and 39.06" (992mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Roanoke. Throughout December, in the average 0.6 snowfall days, it receives 0.35" (9mm) of snow. Throughout the year, in Roanoke, there are 3.5 snowfall days, and 1.18" (30mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:27 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 4:44 pm CST.
Sunshine
February and December, with an average of 5h of sunshine, are months with the least sunshine.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: An average maximum UV index of 3 in December leads to these recommendations:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December in Roanoke?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Roanoke have in December?
When is the sunrise / sunset in December?
What is the month with the least sunshine?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index reading in December in Roanoke?
Average temperature in December
Roanoke, AL
- Average high temperature in December: 55.2°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (52°F).
- Average low temperature in December: 40.3°F
The month with the highest average low temperature is July (70°F).
The coldest month (with the lowest average low temperature) is January (35.4°F).
Average pressure in December
Roanoke, AL
- Average pressure in December: 30.15"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.98"Hg).
Average wind speed in December
Roanoke, AL
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (7.6mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).
Average humidity in December
Roanoke, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Roanoke, AL
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (1.93").
Average rainfall days in December
Roanoke, AL
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is July (22.7 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Roanoke, AL
- Average snowfall in December: 0.35"
The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Roanoke, AL
- Average snowfall days in December: 0.6 days
The month with the highest number of snowfall days is January (1.3 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
Roanoke, AL
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 5h and 0min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 5h and 0min).
Average sunshine days in December
Roanoke, AL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is July (7.5 days).
Average UV index in December
Roanoke, AL
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
Roanoke, AL
- Average cloud cover in December: 47
The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Roanoke, AL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Roanoke, Alabama, USA
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