December weather forecastSheppard, AL

December

Weather in December

December, the first month of the winter in Sheppard, is also a moderate month, with an average temperature varying between 59.2°F (15.1°C) and 43°F (6.1°C).

Temperature

During the shift to December, Sheppard records a mild decrease in average high-temperature, moving from 66.2°F (19°C) in November to a still refreshing 59.2°F (15.1°C). Sheppard's average low-temperature for the month of December records at a chilly 43°F (6.1°C).

Humidity

With an average relative humidity of 80%, December is the most humid month.

Rainfall

The month with the most rainfall is December, when the rain falls for 13 days and typically aggregates up to 3.94" (100mm) of precipitation.

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 0.08" (2mm) of snow. Throughout the year, there are 1.5 snowfall days, and 0.67" (17mm) of snow is accumulated.

Daylight

December has the shortest days of the year in Sheppard, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 6:32 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:56 pm CST.

Sunshine

In December, the average sunshine is 5h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.
Note: In December, the UV index of 3 transforms into the following advice:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Updated: Aug 28, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

An average high-temperature, in December, in Sheppard, is 59.2°F (15.1°C) and the average low-temperature is 43°F (6.1°C). In September, the average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, is estimated at 102.2°F (39°C).

December is the most humid month, with an average relative humidity of 80%.

The average relative humidity in December is 80%.

The month with the most rainfall is December, when the rain falls for 13 days and typically aggregates up to 3.94" (100mm) of precipitation.

In Sheppard, in December, during 13 rainfall days, 3.94" (100mm) of precipitation is typically accumulated.

December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.08" (2mm) of snow.

December has the shortest days of the year, with an average of 10h and 6min of daylight.

The average day length in December is 10h and 6min.

In December, on the first day of the month, sunrise is at 6:32 am and sunset at 4:45 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:56 pm CST.

In December, the average sunshine duration is 5h.

January and December, with an average maximum UV index of 3, are months with the lowest UV index.

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average pressure
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Sheppard, AL

  • Average high temperature in December: 59.2°F

The warmest month (with the highest average high temperature) is July (93.2°F).
The month with the lowest average high temperature is January (55.9°F).

  • Average low temperature in December: 43°F

The months with the highest average low temperature are July and August (72.1°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).

Average pressure in December
Sheppard, 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
Sheppard, AL

  • Average wind speed in December: 6.4mph

The windiest month (with the highest average wind speed) is February (6.7mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Sheppard, 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 (70%).

Average rainfall in December
Sheppard, AL

  • Average rainfall in December: 3.94"

The wettest month (with the highest rainfall) is December (3.94").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in December
Sheppard, AL

  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.3 days).

Average snowfall in December
Sheppard, AL

  • Average snowfall in December: 0.08"

The month with the highest snowfall is March (0.31").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Sheppard, AL

  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is January (0.6 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
Sheppard, AL

  • Average daylight in December: 10h and 6min

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 0min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Sheppard, AL

  • Average sunshine days in December: 16.3 days

The months with the most sunshine days are October and November (20.5 days).
The month with the least sunshine days is July (6.6 days).

Average UV index in December
Sheppard, 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
Sheppard, AL

  • Average cloud cover in December: 49

The month with the most cloud cover is December (Cloud cover 49).
The month with the least cloud cover is October (Cloud cover 31).

Average visibility in December
Sheppard, AL

  • Average visibility in December: 5mi

The months with the highest visibility are January, February, March, April, June, October and November (6mi).
The months with the lowest visibility are May, July, August, September and December (5mi).