December weather forecast
Anniston, AL

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The colorful courthouse of the Calhoun County located in Anniston, Alabama
The colorful courthouse of the Calhoun County located in Anniston, Alabama

Weather in December

December brings the frosty winter chill to Anniston, Alabama. Average temperatures oscillate between 39°F (3.9°C) and 54.3°F (12.4°C), marking the return of winter. The season is characterized by dipping temperatures, increased relative humidity at 80%, and an agreeable winter environment. Different from November's weather, December experiences cooler days and nippier nights. As residents embrace the cold winter days, they also prepare to welcome the new year with the recurring cycle.

Temperature

December ushers in a minor alteration in Anniston's climate, with the average high-temperature moving from November's comfortable 61.2°F (16.2°C) to a fresh 54.3°F (12.4°C). December is noted for a mean low-temperature of 39°F (3.9°C).

Humidity

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

Rainfall

In Anniston, during December, the rain falls for 11.1 days and regularly aggregates up to 1.85" (47mm) of precipitation. Throughout the year, in Anniston, there are 147.2 rainfall days, and 20.12" (511mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.39" (10mm) of snow. In Anniston, during the entire year, snow falls for 3.8 days and aggregates up to 1.1" (28mm) of snow.

Daylight

With an average of 10h and 0min of daylight, December has the shortest days of the year in Anniston.
On the first day of the month, sunrise is at 6:30 am and sunset at 4:34 pm. On the last day of December, sunrise is at 6:47 am and sunset at 4:45 pm CST.

Sunshine

The average sunshine in December is 5h.

UV index

January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. The Sun is most powerful around mid-day, so it's a good practice to reduce direct exposure. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.

Frequently asked questions

What is the average December temperature?

During December, Anniston experiences an average high-temperature of 54.3°F (12.4°C) and a low-temperature of 39°F (3.9°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which combines air temperature and relative humidity, is computed to be 91.4°F (33°C).

What is the most humid month?

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

What is the average humidity in December?

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

How many days does it rain in December?

In Anniston, during December, the rain falls for 11.1 days and regularly aggregates up to 1.85" (47mm) of precipitation.

When does it start to snow?

December is the first month it typically snows. Throughout December, in the average 0.6 snowfall days, it receives 0.39" (10mm) of snow.

What is the month with the shortest days?

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

How many hours of daylight does Anniston have in December?

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 6:30 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:47 am and sunset at 4:45 pm CST.

How long on average sun shines in December?

In Anniston, the average sunshine duration in December is 5h.

What is the month with the lowest UV index?

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

What is the UV index intensity in December?

In Anniston, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate 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
Anniston, AL

Average temperature in December - Anniston, AL
  • Average high temperature in December: 54.3°F

The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (50.5°F).

  • Average low temperature in December: 39°F

The month with the highest average low temperature is July (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.3°F).

Average pressure in December
Anniston, AL

Average pressure in December - Anniston, 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
Anniston, AL

Average wind speed in December - Anniston, AL
  • Average wind speed in December: 6.8mph

The windiest months (with the highest average wind speed) are January and February (7.3mph).
The calmest month (with the lowest average wind speed) is August (4mph).

Average humidity in December
Anniston, AL

Average humidity in December - Anniston, 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 (73%).

Average rainfall in December
Anniston, AL

Average rainfall in December - Anniston, AL
  • Average rainfall in December: 1.85"

The wettest month (with the highest rainfall) is August (2.13").
The driest month (with the least rainfall) is October (0.98").

Average rainfall days in December
Anniston, AL

Average rainfall days in December - Anniston, AL
  • Average rainfall days in December: 11.1 days

The month with the highest number of rainy days is July (20.2 days).
The month with the least rainy days is November (7.7 days).

Average snowfall in December
Anniston, AL

Average snowfall in December - Anniston, AL
  • Average snowfall in December: 0.39"

The month with the highest snowfall is January (0.51").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Anniston, AL

Average snowfall days in December - Anniston, AL
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1.3 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
Anniston, AL

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

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).

Average sunshine days in December
Anniston, AL

Average sunshine days in December - Anniston, AL
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is October (21.3 days).
The month with the least sunshine days is July (8.6 days).

Average UV index in December
Anniston, AL

Average UV index in December - Anniston, 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, November and December (UV index 3).

Average cloud cover in December
Anniston, AL

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

The months with the most cloud cover are February and December (Cloud cover 47).
The months with the least cloud cover are June and September (Cloud cover 30).

Average visibility in December
Anniston, AL

Average visibility in December - Anniston, 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).

Anniston, Alabama, USA

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