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 onset of December aligns with a soft reduction in the average high-temperature, gently falling from a refreshing 59.2°F (15.1°C) in November to a cool 51.3°F (10.7°C). In December, in Killen, the average low-temperature is an icy 37.8°F (3.2°C).Humidity
The months with the highest humidity are March and December, with an average relative humidity of 79%.Rainfall
In Killen, in December, it is raining for 12.2 days, with typically 2.76" (70mm) of accumulated precipitation. In Killen, Alabama, during the entire year, the rain falls for 164.1 days and collects up to 33.11" (841mm) of precipitation.Snowfall
January through March, November and December are months with snowfall. In Killen, during December, snow falls for 1.1 days and regularly aggregates up to 0.24" (6mm) of snow. Throughout the year, in Killen, there are 6.4 snowfall days, and 0.98" (25mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 6:40 am and sunset at 4:38 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 4:49 pm CST.
Sunshine
The months with the least sunshine are February and December, with an average of 4.7h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What is the usual temperature for Killen in December?
What is the most humid month in Killen?
What is the average humidity in December in Killen?
How many days does it rain in December in Killen?
How many days does it snow in December in Killen?
What is the month with the shortest days in Killen?
How many hours of daylight does Killen have in December?
When is the sunrise / sunset in December in Killen?
What are the months with the least sunshine in Killen?
How long on average sun shines in December in Killen?
What is the month with the lowest UV index in Killen?
How high is the UV index in December in Killen?
Average temperature in December
Killen, AL
- Average high temperature in December: 51.3°F
The warmest month (with the highest average high temperature) is July (88.7°F).
The month with the lowest average high temperature is January (47.7°F).
- Average low temperature in December: 37.8°F
The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (33.3°F).
Average pressure in December
Killen, AL
- Average pressure in December: 30.15"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
Killen, AL
- Average wind speed in December: 8mph
The windiest month (with the highest average wind speed) is February (8.4mph).
The calmest month (with the lowest average wind speed) is July (4.8mph).
Average humidity in December
Killen, AL
- Average humidity in December: 79%
The months with the highest relative humidity are March and December (79%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Killen, AL
- Average rainfall in December: 2.76"
The wettest month (with the highest rainfall) is February (3.58").
The driest month (with the least rainfall) is September (2.05").
Average rainfall days in December
Killen, AL
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Killen, AL
- Average snowfall in December: 0.24"
The month with the highest snowfall is February (0.31").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Killen, AL
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is February (2.2 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Killen, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 4min
The month with the most sunshine is June (Average sunshine: 10h and 30min).
The months with the least sunshine are February and December (Average sunshine: 4h and 42min).
Average sunshine days in December
Killen, AL
- Average sunshine days in December: 16.7 days
The months with the most sunshine days are October and November (18.8 days).
The month with the least sunshine days is July (10.4 days).
Average UV index in December
Killen, AL
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Killen, AL
- Average cloud cover in December: 50
The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 29).
Average visibility in December
Killen, 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).
Killen, Alabama, USA
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