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
In Sewell, the average high-temperature in December gently drops from a refreshing 61°F (16.1°C) in November to a fresh 54°F (12.2°C). In December, Sewell encounters an average low-temperature of 39°F (3.9°C) during the night.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Sewell, in December, during 13.7 rainfall days, 3.58" (91mm) of precipitation is typically accumulated. Throughout the year, there are 182.8 rainfall days, and 41.5" (1054mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March, November and December. In Sewell, in December, during 0.6 snowfall days, 0.63" (16mm) of snow is typically accumulated. In Sewell, during the entire year, snow falls for 3.9 days and aggregates up to 2.2" (56mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 6:27 am and sunset at 4:33 pm. On the last day of the month, sunrise is at 6:44 am and sunset at 4:44 pm CST.
Sunshine
The month with the least sunshine in Sewell is December, with an average of 4.8h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: An average maximum UV index of 2 in December leads to these recommendations:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does Sewell have in December?
When are sunrise and 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 in Sewell?
What is the UV index reading in December?
Average temperature in December
Sewell, AL
- Average high temperature in December: 54°F
The warmest month (with the highest average high temperature) is July (88.3°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 39°F
The month with the highest average low temperature is July (69.1°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).
Average pressure in December
Sewell, 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 (29.99"Hg).
Average wind speed in December
Sewell, AL
- Average wind speed in December: 7.2mph
The windiest month (with the highest average wind speed) is January (7.7mph).
The calmest month (with the lowest average wind speed) is August (4.2mph).
Average humidity in December
Sewell, AL
- Average humidity in December: 80%
The month with the highest relative humidity is December (80%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in December
Sewell, AL
- Average rainfall in December: 3.58"
The wettest month (with the highest rainfall) is August (4.92").
The driest month (with the least rainfall) is October (2.09").
Average rainfall days in December
Sewell, AL
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (23.2 days).
The month with the least rainy days is November (9.3 days).
Average snowfall in December
Sewell, AL
- Average snowfall in December: 0.63"
The month with the highest snowfall is January (0.71").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Sewell, 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
Sewell, 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 5min
The months with the most sunshine are June and July (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 4h and 48min).
Average sunshine days in December
Sewell, AL
- Average sunshine days in December: 15.5 days
The month with the most sunshine days is October (20.1 days).
The month with the least sunshine days is July (6.3 days).
Average UV index in December
Sewell, AL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Sewell, AL
- Average cloud cover in December: 48
The months with the most cloud cover are February and December (Cloud cover 48).
The month with the least cloud cover is June (Cloud cover 32).
Average visibility in December
Sewell, AL
- Average visibility in December: 5mi
The months with the highest visibility are January, February, March, April, May, June, October and November (6mi).
The months with the lowest visibility are July, August, September and December (5mi).
Sewell, Alabama, USA
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