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
Transitioning from November to December involves a subtle drop in average high-temperatures, descending from a refreshing 66.2°F (19°C) to a moderate 59.5°F (15.3°C). Lum sees an average low-temperature of 43.7°F (6.5°C) during December.Humidity
December is the most humid month, with an average relative humidity of 79%.Rainfall
In Lum, during December, the rain falls for 13.1 days and regularly aggregates up to 4.06" (103mm) of precipitation. Throughout the year, there are 177.6 rainfall days, and 37.6" (955mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Lum. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.4 snowfall days, and 0.51" (13mm) 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 December, sunrise is at 6:29 am and sunset at 4:41 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 4:52 pm CST.
Sunshine
February and December, with an average of 5.1h of sunshine, are months with the least sunshine.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 the ordinary person.Note: In December, the maximum UV index of 3 transforms into these recommendations:
Exercise caution. The susceptibility of light skin individuals to burns is less than 30 minutes. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Enhance your sun protection with tightly woven, yet airy clothing. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
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?
What is the average humidity in December?
How many days does it rain in December?
When does it start to snow?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
What are the months with the least sunshine?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Lum, AL
- Average high temperature in December: 59.5°F
The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (56.1°F).
- Average low temperature in December: 43.7°F
The months with the highest average low temperature are July and August (72°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Lum, 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
Lum, AL
- Average wind speed in December: 7.3mph
The windiest month (with the highest average wind speed) is January (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).
Average humidity in December
Lum, AL
- Average humidity in December: 79%
The month with the highest relative humidity is December (79%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Lum, AL
- Average rainfall in December: 4.06"
The wettest month (with the highest rainfall) is August (4.69").
The driest month (with the least rainfall) is November (2.09").
Average rainfall days in December
Lum, AL
- Average rainfall days in December: 13.1 days
The month with the highest number of rainy days is July (23.6 days).
The month with the least rainy days is November (8 days).
Average snowfall in December
Lum, AL
- Average snowfall in December: 0.04"
The months with the highest snowfall are January and February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Lum, AL
- Average snowfall days in December: 0.2 days
The months with the highest number of snowfall days are January and February (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
Lum, 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 42min).
The months with the least sunshine are February and December (Average sunshine: 5h and 6min).
Average sunshine days in December
Lum, AL
- Average sunshine days in December: 15.9 days
The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is July (5 days).
Average UV index in December
Lum, 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 and December (UV index 3).
Average cloud cover in December
Lum, AL
- Average cloud cover in December: 46
The month with the most cloud cover is December (Cloud cover 46).
The month with the least cloud cover is October (Cloud cover 29).
Average visibility in December
Lum, AL
- Average visibility in December: 6mi
The months with the highest visibility are January, February, March, April, May, June, September, October, November and December (6mi).
The months with the lowest visibility are July and August (5mi).
Lum, Alabama, USA
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