December weather forecast
Bayou Fountain, LA

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Weather in December

The first month of the winter, December, is still a comfortable month in Bayou Fountain, Louisiana, with an average temperature ranging between max 61.9°F (16.6°C) and min 46.9°F (8.3°C).

Temperature

As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from an agreeable 68.9°F (20.5°C) to a comfortable 61.9°F (16.6°C). Throughout December nights, Bayou Fountain registers an average low-temperature of 46.9°F (8.3°C).

Humidity

February and December, with an average relative humidity of 81%, are the most humid months.

Rainfall

In Bayou Fountain, in December, during 14.3 rainfall days, 3.43" (87mm) of precipitation is typically accumulated. Throughout the year, there are 187.5 rainfall days, and 40" (1016mm) of precipitation is accumulated.

Snowfall

January and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.1 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 0.4 snowfall days, and 0.24" (6mm) of snow is accumulated.

Daylight

With an average of 10h and 12min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of December, sunrise is at 7:00 am and sunset at 5:14 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for average individuals.
Note: The daily high UV index of 3 in December translates into this advice:
Adopt protective measures - It is advised to guard against sun damage. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

What is the temperature in December?

The high-temperature, in December, in Bayou Fountain, is 61.9°F (16.6°C), while the low-temperature averages to 46.9°F (8.3°C). In September, the average heat index (a.k.a. 'real feel', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 105.8°F (41°C).

What is the most humid month?

The months with the highest humidity are February and December, with an average relative humidity of 81%.

What is the average humidity in December?

The average relative humidity in December is 81%.

How much does it rain in December?

In Bayou Fountain, during December, the rain falls for 14.3 days and regularly aggregates up to 3.43" (87mm) of precipitation.

When does it start snowing?

December is the first month it typically snows. Throughout December, in the average 0.1 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 12min of daylight.

How many hours of daylight does Bayou Fountain have in December?

In Bayou Fountain, the average day length in December is 10h and 14min.

When is the sunrise / sunset in December?

On the first day of December, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:00 am and sunset at 5:14 pm CST.

What is the month with the least sunshine?

With an average of 5h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

In Bayou Fountain, the average sunshine duration in December is 5h.

What is the month with the lowest UV index?

December is the month with the lowest UV index, with an average maximum UV index of 3.

What is the UV index reading in December?

In December, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Bayou Fountain, LA

Average temperature in December - Bayou Fountain, LA
  • Average high temperature in December: 61.9°F

The warmest month (with the highest average high temperature) is July (91.6°F).
The month with the lowest average high temperature is January (59°F).

  • Average low temperature in December: 46.9°F

The month with the highest average low temperature is August (74.7°F).
The coldest month (with the lowest average low temperature) is January (43.2°F).

Average pressure in December
Bayou Fountain, LA

Average pressure in December - Bayou Fountain, LA
  • Average pressure in December: 30.12"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

Average wind speed in December
Bayou Fountain, LA

Average wind speed in December - Bayou Fountain, LA
  • Average wind speed in December: 6.5mph

The windiest month (with the highest average wind speed) is February (6.8mph).
The calmest months (with the lowest average wind speed) are July and August (4.5mph).

Average humidity in December
Bayou Fountain, LA

Average humidity in December - Bayou Fountain, LA
  • Average humidity in December: 81%

The months with the highest relative humidity are February and December (81%).
The month with the lowest relative humidity is October (73%).

Average rainfall in December
Bayou Fountain, LA

Average rainfall in December - Bayou Fountain, LA
  • Average rainfall in December: 3.43"

The wettest month (with the highest rainfall) is July (5.47").
The driest month (with the least rainfall) is November (1.93").

Average rainfall days in December
Bayou Fountain, LA

Average rainfall days in December - Bayou Fountain, LA
  • Average rainfall days in December: 14.3 days

The month with the highest number of rainy days is August (23.8 days).
The month with the least rainy days is November (8.9 days).

Average snowfall in December
Bayou Fountain, LA

Average snowfall in December - Bayou Fountain, LA
  • Average snowfall in December: 0.04"

The month with the highest snowfall is January (0.2").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

Average snowfall days in December
Bayou Fountain, LA

Average snowfall days in December - Bayou Fountain, LA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.3 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Bayou Fountain, LA

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

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

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

Average sunshine days in December
Bayou Fountain, LA

Average sunshine days in December - Bayou Fountain, LA
  • Average sunshine days in December: 15.4 days

The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is July (5.9 days).

Average UV index in December
Bayou Fountain, LA

Average UV index in December - Bayou Fountain, LA
  • Average UV index in December: 3

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

Average cloud cover in December
Bayou Fountain, LA

Average cloud cover in December - Bayou Fountain, LA
  • Average cloud cover in December: 48

The month with the most cloud cover is December (Cloud cover 48).
The month with the least cloud cover is October (Cloud cover 27).

Average visibility in December
Bayou Fountain, LA

Average visibility in December - Bayou Fountain, LA
  • Average visibility in December: 6mi

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

Bayou Fountain, Louisiana, USA

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