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
With December's onset, the weather reveals a slight temperature decrease, transitioning from 67.1°F (19.5°C) in November to a still refreshing 61.3°F (16.3°C). The average nighttime temperature lowers to a chilly 45.5°F (7.5°C) throughout December.Humidity
December is the most humid month, with an average relative humidity of 77%.Rainfall
In Opp, in December, during 12.5 rainfall days, 3.74" (95mm) of precipitation is typically accumulated. Throughout the year, there are 178.2 rainfall days, and 36.1" (917mm) of precipitation is accumulated.Snowfall
March through December are months without snowfall.Daylight
With an average of 10h and 12min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:26 am and sunset at 4:42 pm. On the last day of the month, sunrise is at 6:43 am and sunset at 4:53 pm CST.
Sunshine
February and December, with an average of 5.3h of sunshine, are months with the least sunshine.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for ordinary individuals.Note: A daily high UV index of 3 in December leads to these guidelines:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What is the most humid month?
What is the average humidity in December?
How much does it rain in December?
When it does not snow?
Does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December in Opp?
What is the month with the lowest UV index?
What is the UV index reading in December in Opp?
Average temperature in December
Opp, AL
- Average high temperature in December: 61.3°F
The warmest month (with the highest average high temperature) is July (91.2°F).
The month with the lowest average high temperature is January (57.9°F).
- Average low temperature in December: 45.5°F
The months with the highest average low temperature are July and August (73°F).
The coldest month (with the lowest average low temperature) is January (40.8°F).
Average pressure in December
Opp, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.97"Hg).
Average wind speed in December
Opp, AL
- Average wind speed in December: 6.9mph
The windiest month (with the highest average wind speed) is January (7.1mph).
The calmest month (with the lowest average wind speed) is August (4.7mph).
Average humidity in December
Opp, AL
- Average humidity in December: 77%
The month with the highest relative humidity is December (77%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Opp, AL
- Average rainfall in December: 3.74"
The wettest month (with the highest rainfall) is August (4.84").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in December
Opp, AL
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is July (24.8 days).
The month with the least rainy days is November (8 days).
Average snowfall in December
Opp, AL
- Average snowfall in December: 0"
The month with the highest snowfall is February (0.16").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Opp, AL
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.4 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
Opp, AL
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 12min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is June (Average sunshine: 10h and 54min).
The months with the least sunshine are February and December (Average sunshine: 5h and 18min).
Average sunshine days in December
Opp, AL
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is July (4.4 days).
Average UV index in December
Opp, AL
- Average UV index in December: 3
The months with the highest UV index are May, 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
Opp, AL
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 27).
Average visibility in December
Opp, 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).
Opp, Alabama, USA
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