December weather forecast
Cool Coosa, LA

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Weather in December

The first month of the winter, December, is also a moderate month in Cool Coosa, Louisiana, with an average temperature ranging between max 58.3°F (14.6°C) and min 44.2°F (6.8°C).

Temperature

Start of December brings a slight shift in the average high-temperature, dipping a bit from November's 65.7°F (18.7°C) to a still refreshing 58.3°F (14.6°C). During the month of December, Cool Coosa's nighttime temperature lowers to an average of 44.2°F (6.8°C).

Humidity

The average relative humidity in December is 81%.

Rainfall

In Cool Coosa, in December, it is raining for 13 days, with typically 3.35" (85mm) of accumulated precipitation. In Cool Coosa, during the entire year, the rain falls for 151.7 days and collects up to 33.27" (845mm) of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 1.6 snowfall days, and 0.75" (19mm) of snow is accumulated.

Daylight

December has the shortest days of the year, with an average of 10h and 6min of daylight.
On the first day of December, sunrise is at 6:48 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:12 pm CST.

Sunshine

With an average of 4.9h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index in Cool Coosa are January and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The UV index of 3 in December translates into these instructions:
Take precautions - Protection against sun damage is advised. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.

Frequently asked questions

What is the temperature in December?

In December, in Cool Coosa, the average high-temperature is 58.3°F (14.6°C), and the average low-temperature is 44.2°F (6.8°C). In September, the average heat index (a.k.a. 'feels like', 'felt air temperature'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 102.2°F (39°C).

What is the average humidity in December?

In Cool Coosa, Louisiana, the average relative humidity in December is 81%.

How many days does it rain in December in Cool Coosa?

In December, the rain falls for 13 days. Throughout December, 3.35" (85mm) of precipitation is accumulated.

When does it start snowing?

December is the first month it typically snows in Cool Coosa. Throughout December, in the average 0.2 snowfall days, it receives 0.04" (1mm) of snow.

What is the month with the shortest days?

The month with the shortest days is December, with an average of 10h and 6min of daylight.

How many hours of daylight does Cool Coosa have in December?

In Cool Coosa, the average day length in December is 10h and 7min.

When are sunrise and sunset in December?

On the first day of December, sunrise is at 6:48 am and sunset at 5:01 pm. On the last day of the month, sunrise is at 7:05 am and sunset at 5:12 pm CST.

What is the month with the least sunshine?

December has the least sunshine of the year, with an average of 4.9h of sunshine.

How long on average sun shines in December?

The average sunshine duration in December in Cool Coosa is 4.9h.

What is the month with the lowest UV index?

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

How high is the UV index in December in Cool Coosa?

The average daily maximum UV index in December is 3. A UV Index reading 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
Cool Coosa, LA

Average temperature in December - Cool Coosa, LA
  • Average high temperature in December: 58.3°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (55.4°F).

  • Average low temperature in December: 44.2°F

The month with the highest average low temperature is August (73°F).
The coldest month (with the lowest average low temperature) is January (40.5°F).

Average pressure in December
Cool Coosa, LA

Average pressure in December - Cool Coosa, LA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.17"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed in December
Cool Coosa, LA

Average wind speed in December - Cool Coosa, LA
  • Average wind speed in December: 7.5mph

The windiest month (with the highest average wind speed) is February (8.2mph).
The calmest month (with the lowest average wind speed) is July (5.1mph).

Average humidity in December
Cool Coosa, LA

Average humidity in December - Cool Coosa, LA
  • Average humidity in December: 81%

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (70%).

Average rainfall in December
Cool Coosa, LA

Average rainfall in December - Cool Coosa, LA
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is January (3.39").
The driest month (with the least rainfall) is September (1.97").

Average rainfall days in December
Cool Coosa, LA

Average rainfall days in December - Cool Coosa, LA
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is August (15.4 days).
The month with the least rainy days is October (8.6 days).

Average snowfall in December
Cool Coosa, LA

Average snowfall in December - Cool Coosa, LA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.47").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Cool Coosa, LA

Average snowfall days in December - Cool Coosa, LA
  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is January (0.8 days).
The 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
Cool Coosa, LA

Average daylight in December / Average sunshine in December - Cool Coosa, LA
  • Average daylight in December: 10h and 1min

The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).

  • Average sunshine in December: 4h and 5min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).

Average sunshine days in December
Cool Coosa, LA

Average sunshine days in December - Cool Coosa, LA
  • Average sunshine days in December: 14.5 days

The month with the most sunshine days is October (20.5 days).
The month with the least sunshine days is February (12.3 days).

Average UV index in December
Cool Coosa, LA

Average UV index in December - Cool Coosa, LA
  • Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).

Average cloud cover in December
Cool Coosa, LA

Average cloud cover in December - Cool Coosa, LA
  • 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 October (Cloud cover 28).

Average visibility in December
Cool Coosa, LA

Average visibility in December - Cool Coosa, LA
  • Average visibility in December: 6mi

The months with the highest visibility are January, February, March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are July, August and September (5mi).

Cool Coosa, Louisiana, USA

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