December weather forecast and climate
Black, AL

The first month of the winter, December, is still a comfortable month in Black, Alabama, with average temperature ranging between min 46°F (7.8°C) and max 61.9°F (16.6°C).

Temperature

In Black, the average high-temperature in December slightly decreases, from 67.8°F (19.9°C) in November, to a still enjoyable 61.9°F (16.6°C). The average low-temperature, in December, is 46°F (7.8°C).

Humidity

Months with the highest humidity in Black, Alabama, are August and December, with an average relative humidity of 76%.

Rainfall

In Black, during December, the rain falls for 7.3 days and regularly aggregates up to 0.83" (21mm) of precipitation. Throughout the year, in Black, there are 96.8 rainfall days, and 7.05" (179mm) of precipitation is accumulated.

Daylight

The month with the shortest days is December, with an average of 10.2h of daylight.

Sunshine

In December, the average sunshine is 5.5h.

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index in Black. A UV Index reading of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 3 transform into the following instructions:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes.

What is the temperature in December in Black?

In Black, in December, the average high-temperature is 61.9°F (16.6°C), and the average low-temperature is 46°F (7.8°C).

What is the most humid month in Black?

August and December, with an average relative humidity of 76%, are most humid months in Black, Alabama.

What is the average humidity in December in Black?

The average relative humidity in December is 76%.

How many days does it rain in December in Black?

In Black, Alabama, in December, it is raining for 7.3 days, with typically 0.83" (21mm) of accumulated precipitation.

What is the month with the shortest days in Black?

With an average of 10.2h of daylight, December has the shortest days of the year in Black.

What is the average length of the day in December in Black?

The average length of the day in December in Black, Alabama, is 10.2h.

How long on average sun shines in December in Black?

In December, the average sunshine in Black is 5.5h.

What is the month with the lowest UV index in Black?

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

How high is the UV index in December in Black?

In December, the average daily maximum UV index is 3. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.
Average temperature in December - Black, AL
  • Average high temperature in December: 61.9°F

The warmest month (with the highest average high temperature) is July (90.7°F).
The month with the lowest average high temperature is January (58.8°F).

  • Average low temperature in December: 46°F

The month with the highest average low temperature is August (74.1°F).
The coldest month (with the lowest average low temperature) is January (41.5°F).

Average pressure in December - Black, AL
  • Average pressure in December: 30.14"

The month with the highest atmospheric pressure is January (30.16").
Months with the lowest atmospheric pressure are June, August and September (29.98").

Average wind speed in December - Black, AL
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest month (with the lowest average wind speed) is August (5mph).

Average humidity in December - Black, AL
  • Average humidity in December: 76%

Months with the highest relative humidity are August and December (76%).
Months with the lowest relative humidity are May and October (70%).

Average rainfall in December - Black, AL
  • Average rainfall in December: 0.83"

The wettest month (with the highest rainfall) is August (0.98").
The driest month (with the least rainfall) is September (0.28").

Average rainfall days in December - Black, AL
  • Average rainfall days in December: 7.3 days

Months with the highest number of rainy days are July and August (13.3 days).
The month with the least rainy days is November (4.7 days).

Average daylight in December / Average sunshine in December - Black, AL
  • Average daylight in December: 10.2h

The month with the longest days is June (Average daylight: 14.1h).
The month with the shortest days is December (Average daylight: 10.2h).

  • Average sunshine in December: 5.5h

The month with the most sunshine is June (Average sunshine: 10.9h).
The month with the least sunshine is February (Average sunshine: 5.3h).

Average sunshine days in December - Black, AL
  • Average sunshine days in December: 21.7 days

The month with the most sunshine days is November (24.4 days).
The month with the least sunshine days is July (13.2 days).

Average UV index in December - Black, AL
  • Average UV index in December: 3

Months with the highest UV index are May, June, July and August (UV index 7).
Months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December - Black, AL
  • Average cloud cover in December: 43

The month with the most cloud cover is December (Cloud cover 43).
The month with the least cloud cover is October (Cloud cover 26).

Average visibility in December - Black, AL
  • Average visibility in December: 6mi

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