December weather forecast
Birmingham, AL

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The colorful evening sky in Birmingham City, Alabama
The colorful evening sky in Birmingham City, Alabama

Weather in December

December signifies the arrival of winter in Birmingham, Alabama, with temperatures dipping further and seldom rising above 54.5°F (12.5°C). Interestingly, December is one of the wettest months, with rainfall reaching 1.89" (48mm). The notable increase in cloud percentage signifies a shift to more overcast skies. Shorter daylight hours and a drop in sunshine duration result in dull, wintry days. The prospect of light snowfall, alongside chilling winds, blankets the city in the distinctive spirit of winter.

Temperature

The transition into December subtly indicates a reduction in the average high-temperature, down to a fresh 54.5°F (12.5°C) from November's refreshing 61.9°F (16.6°C). December sees the temperature falling to a mean low of 39.9°F (4.4°C).

Humidity

The most humid month is December, with an average relative humidity of 79%.

Rainfall

In Birmingham, during December, the rain falls for 10.6 days and regularly aggregates up to 1.89" (48mm) of precipitation. In Birmingham, Alabama, during the entire year, the rain falls for 143.1 days and collects up to 18.58" (472mm) of precipitation.

Snowfall

January through March, November and December are months with snowfall. In December, it is snowing for 0.4 days. Throughout December, 0.08" (2mm) of snow is accumulated. Throughout the year, there are 2.5 snowfall days, and 0.35" (9mm) of snow is accumulated.

Daylight

The month with the shortest days is December, with an average of 10h and 0min of daylight.
On the first day of the month, sunrise is at 6:33 am and sunset at 4:39 pm. On the last day of December, sunrise is at 6:51 am and sunset at 4:49 pm CST.

Sunshine

In December, the average sunshine is 4.9h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the maximum UV index of 2 suggests this advice:
Most individuals face no significant issues with extended sun exposure, but it is always essential to protect children, babies, and those with sensitive skin. To protect against the Sun's most potent rays, avoid direct exposure around midday. To cut down UV radiation exposure by about half, sport a wide-brim hat. Remember! The Sun's UV radiation can be magnified almost twofold by the reflection of snow.

Frequently asked questions

What is the average December temperature?

December temperatures vary between a high-temperature of 54.5°F (12.5°C) and a low-temperature of 39.9°F (4.4°C). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, in September is appraised at 93.2°F (34°C).

What is the most humid month?

The most humid month is December, with an average relative humidity of 79%.

What is the average humidity in December?

The average relative humidity in December is 79%.

How many days does it rain in December?

In December, the rain falls for 10.6 days. Throughout December, 1.89" (48mm) of precipitation is accumulated.

How much does it snow in December?

In December, it is snowing for 0.4 days. Throughout December, 0.08" (2mm) of snow is accumulated.

What is the month with the shortest days?

With an average of 10h and 0min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Birmingham, the average day length in December is 9h and 58min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:33 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:51 am and sunset at 4:49 pm CST.

How many hours of sunshine does Birmingham have in December?

In December, the average sunshine duration is 4.9h.

What is the month with the lowest UV index?

With an average maximum UV index of 2, December is the month with the lowest UV index.

What is the UV index reading in December?

The average daily maximum UV index in December in Birmingham is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Birmingham, AL

Average temperature in December - Birmingham, AL
  • Average high temperature in December: 54.5°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (50.7°F).

  • Average low temperature in December: 39.9°F

The month with the highest average low temperature is July (71.1°F).
The coldest month (with the lowest average low temperature) is January (35.2°F).

Average pressure in December
Birmingham, AL

Average pressure in December - Birmingham, 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
Birmingham, AL

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

The windiest month (with the highest average wind speed) is February (7.4mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Birmingham, AL

Average humidity in December - Birmingham, 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
Birmingham, AL

Average rainfall in December - Birmingham, AL
  • Average rainfall in December: 1.89"

The wettest month (with the highest rainfall) is June (1.97").
The driest month (with the least rainfall) is November (1.02").

Average rainfall days in December
Birmingham, AL

Average rainfall days in December - Birmingham, AL
  • Average rainfall days in December: 10.6 days

The month with the highest number of rainy days is July (17.6 days).
The month with the least rainy days is November (7.9 days).

Average snowfall in December
Birmingham, AL

Average snowfall in December - Birmingham, AL
  • Average snowfall in December: 0.08"

The month with the highest snowfall is January (0.12").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Birmingham, AL

Average snowfall days in December - Birmingham, AL
  • Average snowfall days in December: 0.4 days

The months with the highest number of snowfall days are January and February (0.8 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
Birmingham, AL

Average daylight in December / Average sunshine in December - Birmingham, AL
  • Average daylight in December: 10h and 0min

The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is July (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Birmingham, AL

Average sunshine days in December - Birmingham, AL
  • Average sunshine days in December: 17.5 days

The month with the most sunshine days is October (20.9 days).
The month with the least sunshine days is July (11.1 days).

Average UV index in December
Birmingham, AL

Average UV index in December - Birmingham, AL
  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Birmingham, AL

Average cloud cover in December - Birmingham, AL
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The months with the least cloud cover are June and September (Cloud cover 30).

Average visibility in December
Birmingham, AL

Average visibility in December - Birmingham, 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).

Birmingham, Alabama, USA

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