December weather forecast
Alabaster, AL

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Weather in December

December in Alabaster announces the arrival of winter and the end of the calendar year. With an average low of 40.5°F (4.7°C), winter makes its presence felt in full swing. Compared to November, the daylight hours are shorter, making them precious for those who venture out. Alabaster prepares for the winter holidays, with the weather adding to the cheer of the festive season. A stark contrast to the summer months, December ends the year with a definitive chill, contrasting dramatically with the peak summer temperatures and extensive daylight of the warmer months.

Temperature

December implies a soft temperature shift, with average high-temperatures reducing from November's comfortable 62.8°F (17.1°C) to a cool 55.2°F (12.9°C). Throughout December, Alabaster witnesses a consistent average low-temperature of 40.5°F (4.7°C).

Humidity

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

Rainfall

In December, in Alabaster, the rain falls for 11.2 days. Throughout December, 2.01" (51mm) of precipitation is accumulated. In Alabaster, Alabama, during the entire year, the rain falls for 148.8 days and collects up to 23.11" (587mm) of precipitation.

Snowfall

Months with snowfall in Alabaster, Alabama, are January, February and December. December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 0.47" (12mm) of snow.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year in Alabaster.
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 6:50 am and sunset at 4:50 pm CST.

Sunshine

February and December, with an average of 4.9h of sunshine, are months with the least sunshine.

UV index

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 in December converts into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

What is the temperature in December in Alabaster?

During December, Alabaster experiences an average high-temperature of 55.2°F (12.9°C) and a low-temperature of 40.5°F (4.7°C). In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which represents the influence of relative humidity on air temperature, is computed to be 95°F (35°C).

What is the most humid month in Alabaster?

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

What is the average humidity in December in Alabaster?

In Alabaster, Alabama, the average relative humidity in December is 80%.

How much does it rain in Alabaster in December?

In Alabaster, Alabama, in December, during 11.2 rainfall days, 2.01" (51mm) of precipitation is typically accumulated.

When does it snow the most in Alabaster?

December is the month with the most snowfall. Snow falls for 0.5 days and accumulates 0.47" (12mm) of snow.

When does it start snowing in Alabaster?

December is the first month it typically snows in Alabaster, Alabama. Throughout December, in the average 0.5 snowfall days, it receives 0.47" (12mm) of snow.

What is the month with the shortest days in Alabaster?

The month with the shortest days in Alabaster, Alabama, is December, with an average of 10h and 0min of daylight.

How many hours of daylight does Alabaster have in December?

In December, the average day length in Alabaster, Alabama, is 10h and 0min.

When are sunrise and sunset in December in Alabaster?

In December, on the first day of the month, sunrise is at 6:33 am and sunset at 4:39 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:50 pm CST.

What are the months with the least sunshine in Alabaster?

February and December, with an average of 4.9h of sunshine, are months with the least sunshine in Alabaster.

How many hours of sunshine does Alabaster have in December?

In Alabaster, Alabama, the average sunshine duration in December is 4.9h.

What are the months with the lowest UV index in Alabaster?

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

How high is the UV index in December in Alabaster?

In December, the average daily maximum UV index in Alabaster is 3. A UV Index reading of 3 to 5 represents a medium hazard to health 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
Alabaster, AL

Average temperature in December - Alabaster, AL
  • Average high temperature in December: 55.2°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (51.4°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is August (71.2°F).
The coldest month (with the lowest average low temperature) is January (36.3°F).

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Average pressure in December
Alabaster, AL

Average pressure in December - Alabaster, AL
  • Average pressure in December: 30.14"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.98"Hg).

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Average wind speed in December
Alabaster, AL

Average wind speed in December - Alabaster, AL
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are January, February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.4mph).

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Average humidity in December
Alabaster, AL

Average humidity in December - Alabaster, 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 (71%).

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Average rainfall in December
Alabaster, AL

Average rainfall in December - Alabaster, AL
  • Average rainfall in December: 2.01"

The wettest month (with the highest rainfall) is August (2.52").
The driest months (with the least rainfall) are September and October (1.26").

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Average rainfall days in December
Alabaster, AL

Average rainfall days in December - Alabaster, AL
  • Average rainfall days in December: 11.2 days

The month with the highest number of rainy days is July (19.7 days).
The month with the least rainy days is November (6.7 days).

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Average snowfall in December
Alabaster, AL

Average snowfall in December - Alabaster, AL
  • Average snowfall in December: 0.47"

The month with the highest snowfall is December (0.47").
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

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Average snowfall days in December
Alabaster, AL

Average snowfall days in December - Alabaster, AL
  • Average snowfall days in December: 0.5 days

The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).

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Average daylight in December /
Average sunshine in December
Alabaster, AL

Average daylight in December / Average sunshine in December - Alabaster, 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 months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The months with the least sunshine are February and December (Average sunshine: 4h and 54min).

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Average sunshine days in December
Alabaster, AL

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

The month with the most sunshine days is November (21.9 days).
The month with the least sunshine days is July (9 days).

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Average UV index in December
Alabaster, AL

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

The month with the highest UV index is June (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).

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Average cloud cover in December
Alabaster, AL

Average cloud cover in December - Alabaster, AL
  • Average cloud cover in December: 46

The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is September (Cloud cover 29).

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Average visibility in December
Alabaster, AL

Average visibility in December - Alabaster, 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).

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Alabaster, Alabama, USA

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