December weather forecastCalvert, AL
December
Weather in December
The first month of the winter, December, is still a refreshing month in Calvert, Alabama, with temperature in the range of an average high of 60.8°F (16°C) and an average low of 45°F (7.2°C).Temperature
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from an enjoyable 67.3°F (19.6°C) in November to a still refreshing 60.8°F (16°C). Calvert's average low-temperature during December nights is observed to be a chilly 45°F (7.2°C).Humidity
December is the most humid month, with an average relative humidity of 81%.Rainfall
In December, the rain falls for 13.5 days. Throughout December, 3.46" (88mm) of precipitation is accumulated. In Calvert, Alabama, during the entire year, the rain falls for 180.8 days and collects up to 38.43" (976mm) of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.8 snowfall days, and 0.51" (13mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 12min of daylight.On the first day of the month, sunrise is at 6:33 am and sunset at 4:49 pm. On the last day of December, sunrise is at 6:50 am and sunset at 5:00 pm CST.
Sunshine
The months with the least sunshine in Calvert are February and December, with an average of 5.1h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: In December, an average UV index of 3 transforms into the following instructions:
Be cautious. Those with fair skin can be subjected to burns in fewer than 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calvert, AL
- Average high temperature in December: 60.8°F
The warmest month (with the highest average high temperature) is July (92.3°F).
The month with the lowest average high temperature is January (58.1°F).
- Average low temperature in December: 45°F
The month with the highest average low temperature is August (73.6°F).
The coldest month (with the lowest average low temperature) is January (40.1°F).
Average pressure in December
Calvert, AL
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Calvert, AL
- Average wind speed in December: 5.4mph
The windiest month (with the highest average wind speed) is April (5.9mph).
The calmest months (with the lowest average wind speed) are July and August (4mph).
Average humidity in December
Calvert, AL
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Calvert, AL
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is August (5.08").
The driest month (with the least rainfall) is November (2.13").
Average rainfall days in December
Calvert, AL
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (24.7 days).
The month with the least rainy days is November (8.3 days).
Average snowfall in December
Calvert, AL
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.31").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Calvert, AL
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Calvert, AL
- Average daylight in December: 10h and 12min
The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 6min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Calvert, AL
- Average sunshine days in December: 16.7 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is July (5 days).
Average UV index in December
Calvert, AL
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Calvert, AL
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 30).
Average visibility in December
Calvert, AL
- Average visibility in December: 5mi
The months with the highest visibility are June and October (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, November and December (5mi).





