December weather forecast
Belle Chasse, LA

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Weather in December

December, the first month of the winter in Belle Chasse, is still a refreshing month, with temperature in the range of an average low of 52.5°F (11.4°C) and an average high of 63.5°F (17.5°C).

Temperature

December reveals a small adjustment in temperature, transitioning from an average high of a pleasant 68.9°F (20.5°C) in November to a comfortable 63.5°F (17.5°C). During the month of December, Belle Chasse's nighttime temperature lowers to an average of 52.5°F (11.4°C).

Humidity

The months with the highest humidity in Belle Chasse are February and December, with an average relative humidity of 77%.

Rainfall

In Belle Chasse, Louisiana, in December, it is raining for 7.8 days, with typically 0.79" (20mm) of accumulated precipitation. Throughout the year, there are 112.1 rainfall days, and 9.37" (238mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Belle Chasse.

Daylight

December has the shortest days of the year, with an average of 10h and 18min of daylight.
On the first day of December in Belle Chasse, sunrise is at 6:38 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:11 pm CST.

Sunshine

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

UV index

The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 3 during December leads to these advisories:
Undertake precautions - Obligation exists to protect against skin and eye damage. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses.
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Frequently asked questions

What are December temperatures in Belle Chasse?

In December, in Belle Chasse, the average high-temperature is 63.5°F (17.5°C), and the average low-temperature is 52.5°F (11.4°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, in September is evaluated at 98.6°F (37°C).

What are the most humid months in Belle Chasse?

February and December, with an average relative humidity of 77%, are most humid months in Belle Chasse.

What is the average humidity in December in Belle Chasse?

In December, the average relative humidity is 77%.

How much does it rain in Belle Chasse in December?

In Belle Chasse, during December, the rain falls for 7.8 days and regularly aggregates up to 0.79" (20mm) of precipitation.

When it does not snow in Belle Chasse?

In Belle Chasse, Louisiana, snow does not fall in February through December.

Does it snow in Belle Chasse in December?

In Belle Chasse, Louisiana, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Belle Chasse?

December has the shortest days of the year in Belle Chasse, with an average of 10h and 18min of daylight.

What is the average length of the day in December in Belle Chasse?

In Belle Chasse, the average day length in December is 10h and 16min.

What time are sunrise and sunset in December in Belle Chasse?

On the first day of December in Belle Chasse, Louisiana, sunrise is at 6:38 am and sunset at 5:00 pm. On the last day of the month, sunrise is at 6:55 am and sunset at 5:11 pm CST.

What is the month with the least sunshine in Belle Chasse?

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

How many hours of sunshine does Belle Chasse have in December?

In Belle Chasse, Louisiana, the average sunshine duration in December is 5.1h.

When is the lowest UV index in Belle Chasse?

December is the month with the lowest UV index in Belle Chasse, Louisiana, with an average maximum UV index of 3.

What is the UV index intensity in December in Belle Chasse?

In December, the average daily maximum UV index in Belle Chasse is 3. A UV Index estimate of 3 to 5 represents a medium health risk 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
Belle Chasse, LA

Average temperature in December - Belle Chasse, LA
  • Average high temperature in December: 63.5°F

The warmest months (with the highest average high temperature) are July and August (89.4°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in December: 52.5°F

The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).

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Average pressure in December
Belle Chasse, LA

Average pressure in December - Belle Chasse, 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, August and September (29.97"Hg).

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Average wind speed in December
Belle Chasse, LA

Average wind speed in December - Belle Chasse, LA
  • Average wind speed in December: 9.4mph

The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

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Average humidity in December
Belle Chasse, LA

Average humidity in December - Belle Chasse, LA
  • Average humidity in December: 77%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).

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Average rainfall in December
Belle Chasse, LA

Average rainfall in December - Belle Chasse, LA
  • Average rainfall in December: 0.79"

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").

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Average rainfall days in December
Belle Chasse, LA

Average rainfall days in December - Belle Chasse, LA
  • Average rainfall days in December: 7.8 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (4.7 days).

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Average snowfall days in December
Belle Chasse, LA

Average snowfall days in December - Belle Chasse, LA
  • Average snowfall days in December: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Belle Chasse, LA

Average daylight in December / Average sunshine in December - Belle Chasse, 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: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Belle Chasse, LA

Average sunshine days in December - Belle Chasse, LA
  • Average sunshine days in December: 21.6 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (8.9 days).

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Average UV index in December
Belle Chasse, LA

Average UV index in December - Belle Chasse, LA
  • Average UV index in December: 3

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

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Average cloud cover in December
Belle Chasse, LA

Average cloud cover in December - Belle Chasse, LA
  • Average cloud cover in December: 44

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).

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Average visibility in December
Belle Chasse, LA

Average visibility in December - Belle Chasse, LA
  • Average visibility in December: 6mi

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

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Belle Chasse, Louisiana, USA

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