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
The onset of December aligns with a soft reduction in the average high-temperature, gently falling from a moderate 60.1°F (15.6°C) in November to a cool 52.3°F (11.3°C). Glen Mary witnesses an average low-temperature of 38.3°F (3.5°C) throughout the month of December.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
December is the month with the most rainfall in Glen Mary. Rain falls for 13.3 days and accumulates 4.45" (113mm) of precipitation.Snowfall
Months with snowfall are January through March, November and December. In Glen Mary, during December, snow falls for 1.2 days and regularly aggregates up to 0.28" (7mm) of snow. In Glen Mary, during the entire year, snow falls for 6.6 days and aggregates up to 2.05" (52mm) of snow.Daylight
December has the shortest days of the year in Glen Mary, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 6:38 am and sunset at 4:41 pm. On the last day of December, sunrise is at 6:56 am and sunset at 4:51 pm CST.
Sunshine
February and December, with an average of 4.7h of sunshine, are months with the least sunshine in Glen Mary.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A daily high UV index of 2 in December leads to these guidelines:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. When the Sun is at its strongest around midday, find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Frequently asked questions
What are December temperatures in Glen Mary?
What is the most humid month in Glen Mary?
What is the average humidity in December in Glen Mary?
What is the rainiest month in Glen Mary?
How many days does it rain in December in Glen Mary?
How many days does it snow in December in Glen Mary?
What is the month with the shortest days in Glen Mary?
How many hours of daylight does Glen Mary have in December?
What time are sunrise and sunset in December in Glen Mary?
What are the months with the least sunshine in Glen Mary?
How many hours of sunshine does Glen Mary have in December?
When is the lowest UV index in Glen Mary?
How high is the UV index in December in Glen Mary?
Average temperature in December
Glen Mary, AL
- Average high temperature in December: 52.3°F
The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (48.7°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (34°F).
Average pressure in December
Glen Mary, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.97"Hg).
Average wind speed in December
Glen Mary, AL
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (7.9mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).
Average humidity in December
Glen Mary, 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
Glen Mary, AL
- Average rainfall in December: 4.45"
The wettest month (with the highest rainfall) is December (4.45").
The driest month (with the least rainfall) is November (2.4").
Average rainfall days in December
Glen Mary, AL
- Average rainfall days in December: 13.3 days
The month with the highest number of rainy days is July (19.3 days).
The month with the least rainy days is November (10.3 days).
Average snowfall in December
Glen Mary, AL
- Average snowfall in December: 0.28"
The month with the highest snowfall is February (0.75").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Glen Mary, AL
- Average snowfall days in December: 1.2 days
The month with the highest number of snowfall days is February (2.1 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
Glen Mary, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Glen Mary, AL
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (9.3 days).
Average UV index in December
Glen Mary, AL
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Glen Mary, AL
- Average cloud cover in December: 49
The months with the most cloud cover are February and December (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 30).
Average visibility in December
Glen Mary, AL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, June, August, September, October, November and December (6mi).
The months with the lowest visibility are January, May and July (5mi).
Glen Mary, Alabama, USA
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