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 the arrival of December, Jackson experiences a modest decline in average high-temperatures, transitioning from an enjoyable 66.9°F (19.4°C) in November to a moderate 60.4°F (15.8°C). Jackson encounters a steady low-temperature average of 43.7°F (6.5°C) throughout the month of December.Humidity
The most humid month in Jackson is December, with an average relative humidity of 81%.Rainfall
In Jackson, in December, during 12.9 rainfall days, 3.66" (93mm) of precipitation is typically accumulated. Throughout the year, there are 173.9 rainfall days, and 35.63" (905mm) of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.1 snowfall days, and 0.31" (8mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:33 am and sunset at 4:48 pm. On the last day of December, sunrise is at 6:50 am and sunset at 4:59 pm CST.
Sunshine
In Jackson, Alabama, the average sunshine in December is 5.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for average individuals.Note: In December, the maximum UV index of 3 translates into these guidelines:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the most humid month?
What is the average humidity in December?
How many days does it rain in December?
When does it start snowing?
What is the month with the shortest days?
How many hours of daylight does Jackson have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
What are the months with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Jackson, AL
- Average high temperature in December: 60.4°F
The warmest month (with the highest average high temperature) is July (92.5°F).
The month with the lowest average high temperature is January (56.8°F).
- Average low temperature in December: 43.7°F
The month with the highest average low temperature is July (72.5°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Jackson, AL
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.96"Hg).
Average wind speed in December
Jackson, AL
- Average wind speed in December: 5.7mph
The windiest month (with the highest average wind speed) is April (6.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).
Average humidity in December
Jackson, AL
- Average humidity in December: 81%
The month with the highest relative humidity is December (81%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Jackson, AL
- Average rainfall in December: 3.66"
The wettest month (with the highest rainfall) is July (4.41").
The driest month (with the least rainfall) is November (2.05").
Average rainfall days in December
Jackson, AL
- Average rainfall days in December: 12.9 days
The month with the highest number of rainy days is July (24.7 days).
The month with the least rainy days is November (8 days).
Average snowfall in December
Jackson, AL
- Average snowfall in December: 0.04"
The month with the highest snowfall is January (0.16").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Jackson, AL
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.5 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
Jackson, 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 6min).
- Average sunshine in December: 5h and 1min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 0min).
Average sunshine days in December
Jackson, AL
- Average sunshine days in December: 16.4 days
The month with the most sunshine days is November (20.5 days).
The month with the least sunshine days is July (4.4 days).
Average UV index in December
Jackson, AL
- Average UV index in December: 3
The months with the highest UV index are 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
Jackson, AL
- Average cloud cover in December: 51
The month with the most cloud cover is December (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Jackson, AL
- Average visibility in December: 5mi
The months with the highest visibility are June and October (6mi).
The months with the lowest visibility are January, February, March, April, May, July, August, September, November and December (5mi).
Jackson, Alabama, USA
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