December weather forecast
Caldwell, AL

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Weather in December

December, the first month of the winter in Caldwell, is still a cool month, with an average temperature ranging between min 39°F (3.9°C) and max 53.8°F (12.1°C).

Temperature

December signifies a gentle decline in Caldwell's average high-temperature, easing from an enjoyable 60.8°F (16°C) in November to a fresh 53.8°F (12.1°C). Caldwell experiences a consistent average temperature of 39°F (3.9°C) throughout the nights in December.

Humidity

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

Rainfall

In Caldwell, in December, it is raining for 12.9 days, with typically 4.25" (108mm) of accumulated precipitation. Throughout the year, there are 179.3 rainfall days, and 43.15" (1096mm) of precipitation is accumulated.

Snowfall

Months with snowfall are January through March, November and December. In Caldwell, during December, snow falls for 1 days and regularly aggregates up to 0.43" (11mm) of snow. In Caldwell, Alabama, during the entire year, snow falls for 4.8 days and aggregates up to 1.73" (44mm) of snow.

Daylight

December has the shortest days of the year, with an average of 10h and 0min of daylight.
On the first day of December, sunrise is at 6:32 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:47 pm CST.

Sunshine

In Caldwell, the average sunshine in December is 4.8h.

UV index

The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Extended sunlight exposure does not pose significant problems for most people, except for children, infants, and people with fair skin who always need shielding. Midday is when the Sun's radiation is strongest; avoid prolonged exposure during this time. Fend off the sun's harsh rays with appropriate clothing, a wide-brim hat, and UV-protective sunglasses. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.
Updated: Jun 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

The high-temperature, in December, in Caldwell, is 53.8°F (12.1°C), while the low-temperature averages to 39°F (3.9°C). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in September is evaluated at 91.4°F (33°C).

What is the most humid month in Caldwell?

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

What is the average humidity in December?

The average relative humidity in December is 80%.

How many days does it rain in December in Caldwell?

In December, the rain falls for 12.9 days. Throughout December, 4.25" (108mm) of precipitation is accumulated.

How much does it snow in December?

In Caldwell, during December, snow falls for 1 days and regularly aggregates up to 0.43" (11mm) 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.

What is the average length of the day in December?

In December, the average day length is 9h and 57min.

When are sunrise and sunset in December?

In December, on the first day of the month, sunrise is at 6:32 am and sunset at 4:36 pm. On the last day of the month, sunrise is at 6:50 am and sunset at 4:47 pm CST.

How many hours of sunshine does Caldwell have in December?

The average sunshine duration in December is 4.8h.

When is 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?

In December, the average daily maximum UV index is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe 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
Caldwell, AL

Average temperature in December - Caldwell, AL
  • Average high temperature in December: 53.8°F

The warmest month (with the highest average high temperature) is July (89.4°F).
The month with the lowest average high temperature is January (49.8°F).

  • Average low temperature in December: 39°F

The months with the highest average low temperature are July and August (69.4°F).
The coldest month (with the lowest average low temperature) is January (34.5°F).

Average pressure in December
Caldwell, AL

Average pressure in December - Caldwell, 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
Caldwell, AL

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

The windiest months (with the highest average wind speed) are January and February (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.3mph).

Average humidity in December
Caldwell, AL

Average humidity in December - Caldwell, 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
Caldwell, AL

Average rainfall in December - Caldwell, AL
  • Average rainfall in December: 4.25"

The wettest month (with the highest rainfall) is August (4.41").
The driest month (with the least rainfall) is October (2.36").

Average rainfall days in December
Caldwell, AL

Average rainfall days in December - Caldwell, AL
  • Average rainfall days in December: 12.9 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (9.5 days).

Average snowfall in December
Caldwell, AL

Average snowfall in December - Caldwell, AL
  • Average snowfall in December: 0.43"

The month with the highest snowfall is January (0.63").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Caldwell, AL

Average snowfall days in December - Caldwell, AL
  • Average snowfall days in December: 1 days

The month with the highest number of snowfall days is February (1.5 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
Caldwell, AL

Average daylight in December / Average sunshine in December - Caldwell, 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: 4h and 5min

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 42min).

Average sunshine days in December
Caldwell, AL

Average sunshine days in December - Caldwell, AL
  • Average sunshine days in December: 16.1 days

The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is July (6.9 days).

Average UV index in December
Caldwell, AL

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

The months with the highest UV index are May, June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December
Caldwell, AL

Average cloud cover in December - Caldwell, AL
  • Average cloud cover in December: 48

The month with the most cloud cover is February (Cloud cover 49).
The months with the least cloud cover are June and September (Cloud cover 31).

Average visibility in December
Caldwell, AL

Average visibility in December - Caldwell, 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).

Caldwell, Alabama, USA

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