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
A mild shift in the average high-temperature occurs in December, reducing from a mild 59.5°F (15.3°C) in November to a fresh 52°F (11.1°C). Nighttime temperatures in December average to an icy 38.3°F (3.5°C) in Johnsons Mill, Alabama.Humidity
With an average relative humidity of 80%, December is the most humid month.Rainfall
In Johnsons Mill, in December, during 12.7 rainfall days, 4.21" (107mm) of precipitation is typically accumulated. Throughout the year, in Johnsons Mill, there are 172.8 rainfall days, and 41.26" (1048mm) of precipitation is accumulated.Snowfall
Months with snowfall in Johnsons Mill are January through March, November and December. In Johnsons Mill, in December, snow falls for 1.1 days, with typically accumulated 0.28" (7mm) of snow. Throughout the year, there are 6.1 snowfall days, and 1.93" (49mm) 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 the month, sunrise is at 6:34 am and sunset at 4:35 pm. On the last day of December, in Johnsons Mill, sunrise is at 6:51 am and sunset at 4:46 pm CST.
Sunshine
In Johnsons Mill, the average sunshine in December is 4.7h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Johnsons Mill. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
What is the usual temperature for Johnsons Mill in December?
What is the most humid month in Johnsons Mill?
What is the average humidity in December in Johnsons Mill?
How many days does it rain in December in Johnsons Mill?
How many days does it snow in December in Johnsons Mill?
What is the month with the shortest days in Johnsons Mill?
How many hours of daylight does Johnsons Mill have in December?
What time are sunrise and sunset in December in Johnsons Mill?
How many hours of sunshine does Johnsons Mill have in December?
What is the month with the lowest UV index in Johnsons Mill?
How high is the UV index in December in Johnsons Mill?
Average temperature in December
Johnsons Mill, AL
- Average high temperature in December: 52°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 (48.4°F).
- Average low temperature in December: 38.3°F
The month with the highest average low temperature is July (68.5°F).
The coldest month (with the lowest average low temperature) is January (33.4°F).
Average pressure in December
Johnsons Mill, 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 (29.98"Hg).
Average wind speed in December
Johnsons Mill, AL
- Average wind speed in December: 7.4mph
The windiest months (with the highest average wind speed) are January, February and March (7.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).
Average humidity in December
Johnsons Mill, 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 (73%).
Average rainfall in December
Johnsons Mill, AL
- Average rainfall in December: 4.21"
The wettest month (with the highest rainfall) is April (4.25").
The driest month (with the least rainfall) is September (2.32").
Average rainfall days in December
Johnsons Mill, AL
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (9.5 days).
Average snowfall in December
Johnsons Mill, AL
- Average snowfall in December: 0.28"
The month with the highest snowfall is January (0.83").
The months with the least snowfall are April, May, June, July, August, September and October (0").
Average snowfall days in December
Johnsons Mill, AL
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (1.8 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
Johnsons Mill, AL
- Average daylight in December: 9h and 5min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 4min
The months with the most sunshine are June and July (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Johnsons Mill, AL
- Average sunshine days in December: 16.3 days
The month with the most sunshine days is October (19.5 days).
The month with the least sunshine days is July (9.6 days).
Average UV index in December
Johnsons Mill, AL
- Average UV index in December: 2
The months with the highest UV index are May, June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Johnsons Mill, AL
- Average cloud cover in December: 49
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and September (Cloud cover 31).
Average visibility in December
Johnsons Mill, AL
- Average visibility in December: 6mi
The months with the highest visibility are February, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is January (5mi).
Johnsons Mill, Alabama, USA
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