December weather forecast
Belle Rose, LA

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Weather in December

The first month of the winter, December, is still a refreshing month in Belle Rose, Louisiana, with an average temperature fluctuating between 62.6°F (17°C) and 48°F (8.9°C).

Temperature

A subtle shift in Belle Rose's weather is observed as November turns into December, with the average high temperature reducing from a pleasant 68.9°F (20.5°C) to a refreshing 62.6°F (17°C). During the month of December, the nighttime temperature falls to an average of 48°F (8.9°C).

Humidity

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

Rainfall

In Belle Rose, in December, during 12.5 rainfall days, 2.05" (52mm) of precipitation is typically accumulated. In Belle Rose, during the entire year, the rain falls for 165.4 days and collects up to 26.93" (684mm) of precipitation.

Snowfall

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

Daylight

The month with the shortest days is December, with an average of 10h and 12min of daylight.
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 6:59 am and sunset at 5:15 pm CST.

Sunshine

The month with the least sunshine is December, with an average of 5h 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 medium health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: A maximum daily UV index of 3 during December morphs into the following directions:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Updated: Jul 19, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

What are the temperatures in December?

During December, Belle Rose experiences an average high-temperature of 62.6°F (17°C) and a low-temperature of 48°F (8.9°C). The average heat index (a.k.a. 'felt air temperature', 'feels like'), which combines air temperature and relative humidity, in September is computed to be 104°F (40°C).

What are the most humid months in Belle Rose?

The months with the highest humidity are February, September and December, with an average relative humidity of 80%.

What is the average humidity in December?

In December, the average relative humidity is 80%.

How much does it rain in December?

In Belle Rose, in December, it is raining for 12.5 days, with typically 2.05" (52mm) of accumulated precipitation.

When it does not snow?

February through December are months without snowfall.

Does it snow in December?

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

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 12min of daylight.

What is the average length of the day in December?

In December, the average day length is 10h and 15min.

When is the sunrise / sunset in December?

On the first day of December in Belle Rose, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of the month, 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 5h of sunshine, December has the least sunshine of the year.

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

In December, the average sunshine duration 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 moderate health threat from exposure to Sun's UV rays.
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
Belle Rose, LA

Average temperature in December - Belle Rose, LA
  • Average high temperature in December: 62.6°F

The warmest month (with the highest average high temperature) is July (90.3°F).
The month with the lowest average high temperature is January (60.1°F).

  • Average low temperature in December: 48°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 (44.2°F).

Average pressure in December
Belle Rose, LA

Average pressure in December - Belle Rose, 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
Belle Rose, LA

Average wind speed in December - Belle Rose, LA
  • Average wind speed in December: 6.9mph

The windiest month (with the highest average wind speed) is February (7.3mph).
The calmest months (with the lowest average wind speed) are July and August (4.8mph).

Average humidity in December
Belle Rose, LA

Average humidity in December - Belle Rose, LA
  • Average humidity in December: 80%

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

Average rainfall in December
Belle Rose, LA

Average rainfall in December - Belle Rose, LA
  • Average rainfall in December: 2.05"

The wettest month (with the highest rainfall) is July (4.25").
The driest month (with the least rainfall) is November (1.18").

Average rainfall days in December
Belle Rose, LA

Average rainfall days in December - Belle Rose, LA
  • Average rainfall days in December: 12.5 days

The month with the highest number of rainy days is July (21.3 days).
The month with the least rainy days is November (8.1 days).

Average snowfall in December
Belle Rose, LA

Average snowfall in December - Belle Rose, LA
  • Average snowfall in December: 0"

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, November and December (0").

Average snowfall days in December
Belle Rose, LA

Average snowfall days in December - Belle Rose, LA
  • Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is January (0.2 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
Belle Rose, LA

Average daylight in December / Average sunshine in December - Belle Rose, 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
Belle Rose, LA

Average sunshine days in December - Belle Rose, LA
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (20.3 days).
The month with the least sunshine days is July (7.3 days).

Average UV index in December
Belle Rose, LA

Average UV index in December - Belle Rose, 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
Belle Rose, LA

Average cloud cover in December - Belle Rose, 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
Belle Rose, LA

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

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

Belle Rose, Louisiana, USA

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