December weather forecast and climate
Coal City, AL

The first month of the winter, December, is also a fresh month in Coal City, Alabama, with average temperature ranging between min 39.4°F (4.1°C) and max 54.5°F (12.5°C).

Temperature

In December, the average high-temperature marginally drops, from a comfortable 61.7°F (16.5°C) in November, to a cool 54.5°F (12.5°C). The average low-temperature, in December, is 39.4°F (4.1°C).

Humidity

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

Rainfall

In Coal City, it is raining for 14.1 days, with typically 4.02" (102mm) of accumulated precipitation. Throughout the year, in Coal City, there are 184.1 rainfall days, and 41.97" (1066mm) of precipitation is accumulated.

Snowfall

Months with snowfall in Coal City are January, February and December. December is the first month it typically snows. Throughout December, in the average 0.7 snowfall days, it receives 0.55" (14mm) of snow. Throughout the year, in Coal City, Alabama, there are 4.1 snowfall days, and 2.05" (52mm) of snow is accumulated.

Daylight

With an average of 10h of daylight, December has the shortest days of the year.

Sunshine

In December, the average sunshine in Coal City is 4.9h.

UV index

With an average maximum UV index of 2, December is the month with the lowest UV index in Coal City. A UV Index of 2, and less, symbolizes a low threat to health from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 2 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Coal City?

In Coal City, Alabama, in December, the average high-temperature is 54.5°F (12.5°C), and the average low-temperature is 39.4°F (4.1°C).

What is the most humid month in Coal City?

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

What is the average humidity in December in Coal City?

The average relative humidity in December in Coal City, Alabama, is 80%.

How many days does it rain in December in Coal City?

In Coal City, Alabama, during December, the rain falls for 14.1 days and regularly aggregates up to 4.02" (102mm) of precipitation.

When does it start snowing in Coal City?

December is the first month it typically snows in Coal City. Throughout December, in the average 0.7 snowfall days, it receives 0.55" (14mm) of snow.

What is the month with the shortest days in Coal City?

The month with the shortest days in Coal City is December, with an average of 10h of daylight.

What is the average length of the day in December in Coal City?

In December, the average length of the day is 10h.

How long on average sun shines in December in Coal City?

The average sunshine in December in Coal City is 4.9h.

When is the lowest UV index in Coal City?

With an average maximum UV index of 2, December is the month with the lowest UV index in Coal City, Alabama.

What is the UV index reading in December in Coal City?

In Coal City, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in December - Coal City, AL
  • Average high temperature in December: 54.5°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 (50.9°F).

  • Average low temperature in December: 39.4°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 (35.1°F).

Average pressure in December - Coal City, AL
  • Average pressure in December: 30.15"

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

Average wind speed in December - Coal City, AL
  • Average wind speed in December: 6.9mph

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

Average humidity in December - Coal City, 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 - Coal City, AL
  • Average rainfall in December: 4.02"

The wettest month (with the highest rainfall) is August (4.06").
The driest month (with the least rainfall) is October (2.32").

Average rainfall days in December - Coal City, AL
  • Average rainfall days in December: 14.1 days

The month with the highest number of rainy days is July (22.4 days).
The month with the least rainy days is November (9.2 days).

Average snowfall in December - Coal City, AL
  • Average snowfall in December: 0.55"

The month with the highest snowfall is January (0.91").
Months with the least snowfall are March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December - Coal City, AL
  • Average snowfall days in December: 0.7 days

The month with the highest number of snowfall days is February (1.6 days).
Months with the least snowfall days are May, June, July, August, September and October (0 days).

Average daylight in December / Average sunshine in December - Coal City, AL
  • Average daylight in December: 10h

The month with the longest days is June (Average daylight: 14.4h).
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: 10.5h).
The month with the least sunshine is February (Average sunshine: 4.8h).

Average sunshine days in December - Coal City, AL
  • Average sunshine days in December: 14.8 days

The month with the most sunshine days is October (19 days).
The month with the least sunshine days is July (6.2 days).

Average UV index in December - Coal City, AL
  • Average UV index in December: 2

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 - Coal City, AL
  • Average cloud cover in December: 47

The month with the most cloud cover is February (Cloud cover 48).
The month with the least cloud cover is September (Cloud cover 30).

Average visibility in December - Coal City, 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).