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 arrival of December is marked by a minor reduction in average high-temperature, sliding from an enjoyable 63.3°F (17.4°C) in November to a moderate 56.3°F (13.5°C). During the nights in December, an average low-temperature of 41.2°F (5.1°C) is observed.Humidity
December is the most humid month in Cooper, with an average relative humidity of 80%.Rainfall
In Cooper, during December, the rain falls for 13.7 days and regularly aggregates up to 3.7" (94mm) of precipitation. Throughout the year, there are 171.1 rainfall days, and 37.87" (962mm) of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. December is the month with the most snowfall in Cooper. Snow falls for 0.5 days and accumulates 0.51" (13mm) 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 the month, sunrise is at 6:31 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:48 am and sunset at 4:50 pm CST.
Sunshine
In December, the average sunshine in Cooper is 5h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for average individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Be vigilant - Suggestions to stave off sun damage are provided. To protect against the Sun's most potent rays, avoid direct exposure around midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
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 in Cooper?
What is the average humidity in December?
How much does it rain in December?
When does it snow the most?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
How high is the UV index in December in Cooper?
Average temperature in December
Cooper, AL
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (52.9°F).
- Average low temperature in December: 41.2°F
The months with the highest average low temperature are July and August (71.2°F).
The coldest month (with the lowest average low temperature) is January (37°F).
Average pressure in December
Cooper, 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
Cooper, AL
- Average wind speed in December: 7.4mph
The windiest month (with the highest average wind speed) is February (7.6mph).
The calmest month (with the lowest average wind speed) is July (4.5mph).
Average humidity in December
Cooper, 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 (71%).
Average rainfall in December
Cooper, AL
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is April (3.86").
The driest month (with the least rainfall) is September (2.17").
Average rainfall days in December
Cooper, AL
- Average rainfall days in December: 13.7 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is November (7.9 days).
Average snowfall in December
Cooper, AL
- Average snowfall in December: 0.51"
The month with the highest snowfall is December (0.51").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Cooper, AL
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (0.9 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
Cooper, 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: 5h and 0min
The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Cooper, AL
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is October (19.9 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Cooper, AL
- Average UV index in December: 3
The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Cooper, AL
- Average cloud cover in December: 46
The months with the most cloud cover are February and December (Cloud cover 46).
The months with the least cloud cover are September and October (Cloud cover 30).
Average visibility in December
Cooper, 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).
Cooper, Alabama, USA
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