December weather forecastMardisville, AL
December
Weather in December
December, the first month of the winter in Mardisville, is still a cool month, with an average temperature varying between 54.5°F (12.5°C) and 39.7°F (4.3°C).Temperature
The shift from November to December includes a minor decrease in the average high-temperature, lightly dropping from a refreshing 61.9°F (16.6°C) to a fresh 54.5°F (12.5°C). An average nighttime temperature of 39.7°F (4.3°C) is witnessed throughout December.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Mardisville, in December, it is raining for 13.8 days, with typically 3.7" (94mm) of accumulated precipitation. In Mardisville, during the entire year, the rain falls for 176.1 days and collects up to 38.11" (968mm) of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.7 snowfall days, it receives 0.55" (14mm) of snow. In Mardisville, Alabama, during the entire year, snow falls for 3.7 days and aggregates up to 1.77" (45mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:30 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:47 pm CST.
Sunshine
In Mardisville, the average sunshine in December is 4.9h.UV index
In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.Note: The maximum UV index of 3 during December translates into these guidelines:
Make use of precautions - It is urged to ward off sun damage. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Warning! The reflection from snow can nearly 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
Mardisville, AL
- Average high temperature in December: 54.5°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (50.9°F).
- Average low temperature in December: 39.7°F
The month with the highest average low temperature is August (69.8°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in December
Mardisville, 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
Mardisville, AL
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
Mardisville, 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
Mardisville, AL
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is August (3.78").
The driest month (with the least rainfall) is October (2.13").
Average rainfall days in December
Mardisville, AL
- Average rainfall days in December: 13.8 days
The month with the highest number of rainy days is July (21.5 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
Mardisville, AL
- Average snowfall in December: 0.55"
The month with the highest snowfall is January (0.87").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Mardisville, AL
- Average snowfall days in December: 0.7 days
The month with the highest number of snowfall days is January (1.4 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
Mardisville, 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: 4h and 54min
The months with the most sunshine are June and July (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Mardisville, AL
- Average sunshine days in December: 15.5 days
The months with the most sunshine days are October and November (19.5 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Mardisville, AL
- Average UV index in December: 3
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Mardisville, AL
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June, September and October (Cloud cover 31).
Average visibility in December
Mardisville, AL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





