December weather forecast
Tanner Heights, AL

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Weather in December

The first month of the winter, December, is still a cool month in Tanner Heights, Alabama, with temperature in the range of an average low of 38.3°F (3.5°C) and an average high of 52.5°F (11.4°C).

Temperature

The move into December indicates a slight reduction in the average high-temperature, down from November's moderate 59.9°F (15.5°C) to a cool 52.5°F (11.4°C). Tanner Heights observes an average low-temperature of 38.3°F (3.5°C) during December.

Humidity

With an average relative humidity of 79%, December is the most humid month.

Rainfall

December is the month with the most rainfall. Rain falls for 13.5 days and accumulates 4.25" (108mm) of precipitation.

Snowfall

Months with snowfall are January through March, November and December. In Tanner Heights, in December, snow falls for 1.4 days, with typically accumulated 0.31" (8mm) of snow. Throughout the year, there are 6.8 snowfall days, and 1.97" (50mm) of snow is accumulated.

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 6:36 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:48 pm CST.

Sunshine

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. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to UV radiation for the ordinary person.
Note: In December, the maximum UV index of 2 suggests this advice:
While most people can stay under the sun for an hour without burning, children must always be guarded against sun exposure. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mind you! Snow reflection can increase the intensity of the Sun's UV radiation nearly twofold.

Frequently asked questions

What are December temperatures?

The average high-temperature and low-temperature during December are 52.5°F (11.4°C) and 38.3°F (3.5°C) respectively. In September, the average heat index (a.k.a. 'apparent temperature', 'felt air temperature'), which combines relative humidity and air temperature, is appraised at 89.6°F (32°C).

What is the most humid month in Tanner Heights?

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

What is the average humidity in December?

In December, the average relative humidity in Tanner Heights is 79%.

What is the wettest month?

The month with the most rainfall is December, when the rain falls for 13.5 days and typically aggregates up to 4.25" (108mm) of precipitation.

How much does it rain in December?

In December, the rain falls for 13.5 days. Throughout December, 4.25" (108mm) of precipitation is accumulated.

How many days does it snow in December?

In Tanner Heights, in December, during 1.4 snowfall days, 0.31" (8mm) of snow is typically accumulated.

What is the month with the shortest days?

With an average of 9h and 54min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

The average day length in December is 9h and 54min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:36 am and sunset at 4:37 pm. On the last day of the month, sunrise is at 6:54 am and sunset at 4:48 pm CST.

How many hours of sunshine does Tanner Heights have in December?

In December, the average sunshine duration is 4.7h.

When is the lowest UV index?

January and December, with an average maximum UV index of 2, are months with the lowest UV index.

What is the UV index reading in December?

The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low health threat from exposure to Sun's UV rays.
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
Tanner Heights, AL

Average temperature in December - Tanner Heights, AL
  • Average high temperature in December: 52.5°F

The warmest month (with the highest average high temperature) is July (89.1°F).
The month with the lowest average high temperature is January (48.7°F).

  • Average low temperature in December: 38.3°F

The month with the highest average low temperature is July (69.6°F).
The coldest month (with the lowest average low temperature) is January (33.6°F).

Average pressure in December
Tanner Heights, AL

Average pressure in December - Tanner Heights, 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
Tanner Heights, AL

Average wind speed in December - Tanner Heights, AL
  • Average wind speed in December: 7.8mph

The windiest month (with the highest average wind speed) is February (8.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Tanner Heights, AL

Average humidity in December - Tanner Heights, 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 (72%).

Average rainfall in December
Tanner Heights, AL

Average rainfall in December - Tanner Heights, AL
  • Average rainfall in December: 4.25"

The wettest month (with the highest rainfall) is December (4.25").
The driest month (with the least rainfall) is November (2.24").

Average rainfall days in December
Tanner Heights, AL

Average rainfall days in December - Tanner Heights, AL
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (19.5 days).
The month with the least rainy days is November (9.7 days).

Average snowfall in December
Tanner Heights, AL

Average snowfall in December - Tanner Heights, AL
  • Average snowfall in December: 0.31"

The month with the highest snowfall is January (0.79").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Tanner Heights, AL

Average snowfall days in December - Tanner Heights, AL
  • Average snowfall days in December: 1.4 days

The month with the highest number of snowfall days is February (2.1 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
Tanner Heights, AL

Average daylight in December / Average sunshine in December - Tanner Heights, 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 month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).

Average sunshine days in December
Tanner Heights, AL

Average sunshine days in December - Tanner Heights, AL
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is October (19.4 days).
The month with the least sunshine days is July (9.3 days).

Average UV index in December
Tanner Heights, AL

Average UV index in December - Tanner Heights, 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
Tanner Heights, AL

Average cloud cover in December - Tanner Heights, AL
  • Average cloud cover in December: 49

The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Tanner Heights, AL

Average visibility in December - Tanner Heights, 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).

Tanner Heights, Alabama, USA

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