December weather forecast and climate
Cahaba Heights, AL

The first month of the winter, December, is still a cool month in Cahaba Heights, Alabama, with average temperature varying between 54.9°F (12.7°C) and 40.5°F (4.7°C).

Temperature

In Cahaba Heights, Alabama, the average high-temperature marginally drops, from an enjoyable 62.4°F (16.9°C) in November, to a cool 54.9°F (12.7°C). The average low-temperature, in December, is 40.5°F (4.7°C).

Humidity

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

Rainfall

In December, the rain falls for 10.5 days. Throughout December, 1.65" (42mm) of precipitation is accumulated. In Cahaba Heights, during the entire year, the rain falls for 147 days and collects up to 19.06" (484mm) of precipitation.

Snowfall

Months with snowfall in Cahaba Heights are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow. In Cahaba Heights, during the entire year, snow falls for 2.7 days, and aggregates up to 0.47" (12mm) of snow.

Daylight

December has the shortest days of the year in Cahaba Heights, with an average of 10h of daylight.

Sunshine

The average sunshine in Cahaba Heights is 4.9h.

UV index

The month with the lowest UV index in Cahaba Heights is December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 2 transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Cahaba Heights?

In Cahaba Heights, Alabama, in December, the average high-temperature is 54.9°F (12.7°C), and the average low-temperature is 40.5°F (4.7°C).

What is the most humid month in Cahaba Heights?

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

What is the average humidity in December in Cahaba Heights?

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

How many days does it rain in December in Cahaba Heights?

In December, in Cahaba Heights, the rain falls for 10.5 days. Throughout December, 1.65" (42mm) of precipitation is accumulated.

When does it start snowing in Cahaba Heights?

December is the first month it typically snows. Throughout December, in the average 0.5 snowfall days, it receives 0.12" (3mm) of snow.

What is the month with the shortest days in Cahaba Heights?

With an average of 10h of daylight, December has the shortest days of the year in Cahaba Heights, Alabama.

How many hours of daylight does Cahaba Heights have in December?

In Cahaba Heights, Alabama, the average length of the day in December is 10h.

How long on average sun shines in December in Cahaba Heights?

The average sunshine in December in Cahaba Heights is 4.9h.

When is the lowest UV index in Cahaba Heights?

The month with the lowest UV index in Cahaba Heights, Alabama, is December, with an average maximum UV index of 2.

What is the UV index reading in December in Cahaba Heights?

The average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unprotected exposure to the UV radiation.
Average temperature in December - Cahaba Heights, AL
  • Average high temperature in December: 54.9°F

The warmest month (with the highest average high temperature) is July (90.9°F).
The month with the lowest average high temperature is January (51.3°F).

  • Average low temperature in December: 40.5°F

The month with the highest average low temperature is July (71.4°F).
The coldest month (with the lowest average low temperature) is January (36°F).

Average pressure in December - Cahaba Heights, AL
  • Average pressure in December: 30.14"

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

Average wind speed in December - Cahaba Heights, AL
  • Average wind speed in December: 7mph

The windiest months (with the highest average wind speed) are February and March (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December - Cahaba Heights, 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 (70%).

Average rainfall in December - Cahaba Heights, AL
  • Average rainfall in December: 1.65"

The wettest month (with the highest rainfall) is August (2.24").
The driest month (with the least rainfall) is October (1.02").

Average rainfall days in December - Cahaba Heights, AL
  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (7.3 days).

Average snowfall in December - Cahaba Heights, AL
  • Average snowfall in December: 0.12"

The month with the highest snowfall is January (0.24").
Months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December - Cahaba Heights, AL
  • Average snowfall days in December: 0.5 days

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

Average daylight in December / Average sunshine in December - Cahaba Heights, AL
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.3h).
The month with the shortest days is December (Average daylight: 10h).

  • Average sunshine in December: 4.9h

Months with the most sunshine are June and July (Average sunshine: 10.6h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in December - Cahaba Heights, AL
  • Average sunshine days in December: 17.9 days

The month with the most sunshine days is November (21.5 days).
The month with the least sunshine days is July (9.4 days).

Average UV index in December - Cahaba Heights, AL
  • Average UV index in December: 2

Months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is December (UV index 2).

Average cloud cover in December - Cahaba Heights, AL
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
Months with the least cloud cover are June and October (Cloud cover 30).

Average visibility in December - Cahaba Heights, AL
  • Average visibility in December: 6mi

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).