December weather forecast
Crystal Springs, AL

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Weather in December

The first month of the winter, December, is also a fresh month in Crystal Springs, Alabama, with an average temperature ranging between min 38.7°F (3.7°C) and max 53.8°F (12.1°C).

Temperature

Crystal Springs in December experiences a gentle temperature dip, with average high-temperatures reducing from a refreshing 61.3°F (16.3°C) in November to a cool 53.8°F (12.1°C). During December, an average low-temperature of 38.7°F (3.7°C) is observed.

Humidity

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

Rainfall

The wettest months in Crystal Springs are February and December, with an average 3.9" (99mm) of rainfall.

Snowfall

January through March, November and December are months with snowfall. The month with the most snowfall is December, when snow falls for 0.7 days and typically aggregates up to 0.43" (11mm) of snow.

Daylight

The month with the shortest days is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 6:31 am and sunset at 4:34 pm. On the last day of December, sunrise is at 6:48 am and sunset at 4:45 pm CST.

Sunshine

In Crystal Springs, the average sunshine in December is 4.8h.

UV index

December is the month with the lowest UV index, 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 the average person.
Note: The daily high UV index of 2 during December translates into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Updated: Jul 30, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are December temperatures?

The high-temperature in Crystal Springs during December is 53.8°F (12.1°C) and the low-temperature is 38.7°F (3.7°C). The average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in September is estimated at 91.4°F (33°C).

What is the most humid month in Crystal Springs?

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

What is the average humidity in December?

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

What is the wettest month?

The wettest months are February and December, with an average 3.9" (99mm) of rainfall.

How many days does it rain in December?

In December, the rain falls for 13.5 days. Throughout December, 3.9" (99mm) of precipitation is accumulated.

What is the snowiest month?

The month with the most snowfall is December, when snow falls for 0.7 days and typically aggregates up to 0.43" (11mm) of snow.

How many days does it snow in December?

In Crystal Springs, in December, during 0.7 snowfall days, 0.43" (11mm) 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.

How many hours of daylight does Crystal Springs have in December?

In Crystal Springs, Alabama, the average day length in December is 9h and 57min.

What time are sunrise and sunset in December?

On the first day of December, sunrise is at 6:31 am and sunset at 4:34 pm. On the last day of the month, sunrise is at 6:48 am and sunset at 4:45 pm CST.

How many hours of sunshine does Crystal Springs have in December?

In Crystal Springs, the average sunshine duration in December is 4.8h.

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 intensity in December?

In Crystal Springs, the average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability 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
Crystal Springs, AL

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

The warmest month (with the highest average high temperature) is July (90.1°F).
The month with the lowest average high temperature is January (49.6°F).

  • Average low temperature in December: 38.7°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 (34.2°F).

Average pressure in December
Crystal Springs, AL

Average pressure in December - Crystal Springs, 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
Crystal Springs, AL

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

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.2mph).

Average humidity in December
Crystal Springs, AL

Average humidity in December - Crystal Springs, 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 (72%).

Average rainfall in December
Crystal Springs, AL

Average rainfall in December - Crystal Springs, AL
  • Average rainfall in December: 3.9"

The wettest months (with the highest rainfall) are February and December (3.9").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in December
Crystal Springs, AL

Average rainfall days in December - Crystal Springs, AL
  • Average rainfall days in December: 13.5 days

The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is November (8.7 days).

Average snowfall in December
Crystal Springs, AL

Average snowfall in December - Crystal Springs, AL
  • Average snowfall in December: 0.43"

The month with the highest snowfall is December (0.43").
The months with the least snowfall are April, May, June, July, August, September and October (0").

Average snowfall days in December
Crystal Springs, AL

Average snowfall days in December - Crystal Springs, AL
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (1.4 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
Crystal Springs, AL

Average daylight in December / Average sunshine in December - Crystal Springs, 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 5min

The months with the most sunshine are June and July (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

Average sunshine days in December
Crystal Springs, AL

Average sunshine days in December - Crystal Springs, AL
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (19.6 days).
The month with the least sunshine days is July (8.8 days).

Average UV index in December
Crystal Springs, AL

Average UV index in December - Crystal Springs, 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
Crystal Springs, AL

Average cloud cover in December - Crystal Springs, AL
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 49).
The month with the least cloud cover is June (Cloud cover 30).

Average visibility in December
Crystal Springs, AL

Average visibility in December - Crystal Springs, 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).

Crystal Springs, Alabama, USA

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