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 average high-temperature shows a slight dip in December, from November's refreshing 62.4°F (16.9°C) to a cool 54.9°F (12.7°C). During December, Shannon experiences a consistent low-temperature average of 40.5°F (4.7°C).Humidity
The most humid month in Shannon is December, with an average relative humidity of 80%.Rainfall
In Shannon, Alabama, in December, it is raining for 10.5 days, with typically 1.65" (42mm) of accumulated precipitation. Throughout the year, there are 146.7 rainfall days, and 18.94" (481mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Shannon. Throughout December, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. In Shannon, during the entire year, snow falls for 2.7 days and aggregates up to 0.47" (12mm) of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Shannon, Alabama.On the first day of December, sunrise is at 6:33 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:50 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum UV index of 2 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Always opt for UVA and UVB-resistant sunglasses on radiant days. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Frequently asked questions
What are the temperatures in Shannon in December?
What is the most humid month in Shannon?
What is the average humidity in December in Shannon?
How many days does it rain in December in Shannon?
When does it start snowing in Shannon?
What is the month with the shortest days in Shannon?
What is the average length of the day in December in Shannon?
What time are sunrise and sunset in December in Shannon?
How long on average sun shines in December in Shannon?
What is the month with the lowest UV index in Shannon?
What is the UV index reading in December in Shannon?
Average temperature in December
Shannon, AL
- Average high temperature in December: 54.9°F
The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.3°F).
- Average low temperature in December: 40.5°F
The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (36°F).
Average pressure in December
Shannon, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).
Average wind speed in December
Shannon, AL
- Average wind speed in December: 7mph
The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Shannon, 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 (70%).
Average rainfall in December
Shannon, AL
- Average rainfall in December: 1.65"
The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.02").
Average rainfall days in December
Shannon, AL
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (7.3 days).
Average snowfall in December
Shannon, AL
- Average snowfall in December: 0.12"
The month with the highest snowfall is January (0.24").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Shannon, AL
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is February (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Shannon, 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 36min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Shannon, AL
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (9.4 days).
Average UV index in December
Shannon, AL
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Shannon, 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 30).
Average visibility in December
Shannon, 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).
Shannon, Alabama, USA
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