December weather forecast
Bayou Crab, LA

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Weather in December

The first month of the winter, December, is still a refreshing month in Bayou Crab, Louisiana, with an average temperature fluctuating between 63°F (17.2°C) and 48.7°F (9.3°C).

Temperature

Bayou Crab's December weather features a light decline in high-temperatures, reducing from an agreeable 69.1°F (20.6°C) in November to an enjoyable 63°F (17.2°C). Bayou Crab observes an average nighttime temperature of 48.7°F (9.3°C) during December.

Humidity

February, July through September and December, with an average relative humidity of 80%, are the most humid months.

Rainfall

In Bayou Crab, during December, the rain falls for 13 days and regularly aggregates up to 2.24" (57mm) of precipitation. In Bayou Crab, Louisiana, during the entire year, the rain falls for 170.8 days and collects up to 30.16" (766mm) of precipitation.

Snowfall

Months with snowfall are January and December. 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 0.2 snowfall days, and 0.2" (5mm) of snow is accumulated.

Daylight

With an average of 10h and 18min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 6:42 am and sunset at 5:04 pm. On the last day of December, sunrise is at 6:59 am and sunset at 5:15 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5.1h of sunshine.

UV index

With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.
Note: A maximum UV index of 3 in December translates into the following recommendations:
Take necessary precautions - Protection from skin and eye injury is mandatory. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Updated: Jun 14, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What is the average December temperature?

An average high-temperature, in December, in Bayou Crab, is 63°F (17.2°C) and the average low-temperature is 48.7°F (9.3°C). In September, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is appraised at 102.2°F (39°C).

What is the most humid month?

February, July through September and December, with an average relative humidity of 80%, are most humid months.

What is the average humidity in December?

In December, the average relative humidity is 80%.

How much does it rain in December?

In Bayou Crab, Louisiana, in December, during 13 rainfall days, 2.24" (57mm) of precipitation is typically accumulated.

When does it start to snow?

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?

With an average of 10h and 18min of daylight, December has the shortest days of the year.

What is the average length of the day in December?

In Bayou Crab, the average day length in December is 10h and 16min.

When is the sunrise / sunset in December?

In December, on the first day of the month, sunrise is at 6:42 am and sunset at 5:04 pm. On the last day of the month, in Bayou Crab, sunrise is at 6:59 am and sunset at 5:15 pm CST.

What is the month with the least sunshine?

With an average of 5.1h of sunshine, December has the least sunshine of the year.

How long on average sun shines in December?

In Bayou Crab, the average sunshine duration in December is 5.1h.

When is 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 Bayou Crab?

The average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's 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 Crab, LA

Average temperature in December - Bayou Crab, LA
  • Average high temperature in December: 63°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 (60.1°F).

  • Average low temperature in December: 48.7°F

The month with the highest average low temperature is August (74.8°F).
The coldest month (with the lowest average low temperature) is January (44.8°F).

Average pressure in December
Bayou Crab, LA

Average pressure in December - Bayou Crab, 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 Crab, LA

Average wind speed in December - Bayou Crab, LA
  • Average wind speed in December: 7.1mph

The windiest months (with the highest average wind speed) are February and April (7.5mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Bayou Crab, LA

Average humidity in December - Bayou Crab, LA
  • Average humidity in December: 80%

The months with the highest relative humidity are February, July, August, September and December (80%).
The month with the lowest relative humidity is October (74%).

Average rainfall in December
Bayou Crab, LA

Average rainfall in December - Bayou Crab, LA
  • Average rainfall in December: 2.24"

The wettest month (with the highest rainfall) is July (4.76").
The driest month (with the least rainfall) is November (1.3").

Average rainfall days in December
Bayou Crab, LA

Average rainfall days in December - Bayou Crab, LA
  • Average rainfall days in December: 13 days

The month with the highest number of rainy days is July (22.3 days).
The month with the least rainy days is November (8.5 days).

Average snowfall in December
Bayou Crab, LA

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

The month with the highest snowfall is January (0.16").
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 Crab, LA

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

The months with the highest number of snowfall days are January and December (0.1 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 Crab, LA

Average daylight in December / Average sunshine in December - Bayou Crab, LA
  • Average daylight in December: 10h and 2min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in December: 5h and 1min

The month with the most sunshine is June (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in December
Bayou Crab, LA

Average sunshine days in December - Bayou Crab, LA
  • Average sunshine days in December: 15.6 days

The month with the most sunshine days is November (20.2 days).
The months with the least sunshine days are July and August (6.4 days).

Average UV index in December
Bayou Crab, LA

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

The months with the highest UV index are 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 Crab, LA

Average cloud cover in December - Bayou Crab, LA
  • Average cloud cover in December: 47

The month with the most cloud cover is December (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 26).

Average visibility in December
Bayou Crab, LA

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

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

Bayou Crab, Louisiana, USA

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