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
During the shift to December, West Jefferson records a mild decrease in average high-temperature, moving from an enjoyable 61.7°F (16.5°C) in November to a cool 54.3°F (12.4°C). December brings an average low-temperature of 39.7°F (4.3°C) to West Jefferson.Humidity
The most humid month is December, with an average relative humidity of 80%.Rainfall
In West Jefferson, during December, the rain falls for 8.9 days and regularly aggregates up to 1.3" (33mm) of precipitation. Throughout the year, there are 128.4 rainfall days, and 14.17" (360mm) of precipitation is accumulated.Snowfall
January, February, November and December are months with snowfall. In West Jefferson, Alabama, in December, snow falls for 0.5 days, with typically accumulated 0.2" (5mm) of snow. In West Jefferson, Alabama, during the entire year, snow falls for 3.6 days and aggregates up to 0.63" (16mm) 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 the month, sunrise is at 6:35 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:52 am and sunset at 4:50 pm CST.
Sunshine
In December, the average sunshine in West Jefferson 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 estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index of 2 during December translates into the following directions:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
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 many days does it rain in December in West Jefferson?
How much does it snow in December?
What is the month with the shortest days?
How many hours of daylight does West Jefferson have in December?
When is the sunrise / sunset in December?
How long on average sun shines in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
West Jefferson, AL
- Average high temperature in December: 54.3°F
The warmest month (with the highest average high temperature) is July (90.5°F).
The month with the lowest average high temperature is January (50.5°F).
- Average low temperature in December: 39.7°F
The months with the highest average low temperature are July and August (70.3°F).
The coldest month (with the lowest average low temperature) is January (35.1°F).
Average pressure in December
West Jefferson, 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
West Jefferson, AL
- Average wind speed in December: 6.8mph
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
West Jefferson, 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
West Jefferson, AL
- Average rainfall in December: 1.3"
The wettest months (with the highest rainfall) are July and August (1.46").
The driest month (with the least rainfall) is September (0.75").
Average rainfall days in December
West Jefferson, AL
- Average rainfall days in December: 8.9 days
The month with the highest number of rainy days is July (15.8 days).
The months with the least rainy days are October and November (7.1 days).
Average snowfall in December
West Jefferson, AL
- Average snowfall in December: 0.2"
The month with the highest snowfall is January (0.28").
The months with the least snowfall are March, April, May, June, July, August, September and October (0").
Average snowfall days in December
West Jefferson, AL
- Average snowfall days in December: 0.5 days
The month with the highest number of snowfall days is January (1.3 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
West Jefferson, AL
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
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
West Jefferson, AL
- Average sunshine days in December: 19.4 days
The month with the most sunshine days is October (22.6 days).
The month with the least sunshine days is July (11.5 days).
Average UV index in December
West Jefferson, 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
West Jefferson, 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 September (Cloud cover 29).
Average visibility in December
West Jefferson, 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).
West Jefferson, Alabama, USA
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