December weather forecast
Mount Houmas, LA

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Weather in December

December, the first month of the winter in Mount Houmas, is also an enjoyable month, with an average temperature ranging between max 62.2°F (16.8°C) and min 47.7°F (8.7°C).

Temperature

Mount Houmas in December experiences a gentle temperature dip, with average high-temperatures reducing from an agreeable 68.9°F (20.5°C) in November to an enjoyable 62.2°F (16.8°C). Mount Houmas experiences an average temperature drop to a frosty 47.7°F (8.7°C) during December nights.

Humidity

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

Rainfall

In Mount Houmas, in December, during 10.7 rainfall days, 1.3" (33mm) of precipitation is typically accumulated. Throughout the year, there are 151.5 rainfall days, and 18.62" (473mm) of precipitation is accumulated.

Snowfall

February through December are months without snowfall in Mount Houmas.

Daylight

December has the shortest days of the year, with an average of 10h and 12min of daylight.
On the first day of December in Mount Houmas, Louisiana, 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.

Sunshine

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

UV index

December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.
Note: A daily high UV index of 3 in December leads to these guidelines:
Exercise prevention - Protecting skin and eyes from harm is required. Limiting sun exposure during midday hours helps in reducing the harmful effects of UV radiation. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
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Frequently asked questions

What are December temperatures in Mount Houmas?

The high-temperature during December is 62.2°F (16.8°C) and the low-temperature is 47.7°F (8.7°C). The average heat index (a.k.a. 'apparent temperature', 'real feel'), which represents the influence of relative humidity on air temperature, in September is evaluated at 104°F (40°C).

What is the most humid month in Mount Houmas?

February and December, with an average relative humidity of 81%, are most humid months in Mount Houmas, Louisiana.

What is the average humidity in December in Mount Houmas?

The average relative humidity in December in Mount Houmas is 81%.

How much does it rain in Mount Houmas in December?

In Mount Houmas, in December, it is raining for 10.7 days, with typically 1.3" (33mm) of accumulated precipitation.

When it does not snow in Mount Houmas?

February through December are months without snowfall.

Does it snow in Mount Houmas in December?

In Mount Houmas, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Mount Houmas?

The month with the shortest days in Mount Houmas, Louisiana, is December, with an average of 10h and 12min of daylight.

What is the average length of the day in December in Mount Houmas?

In December, the average day length in Mount Houmas, Louisiana, is 10h and 14min.

When are sunrise and sunset in December in Mount Houmas?

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

What is the month with the least sunshine in Mount Houmas?

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

How many hours of sunshine does Mount Houmas have in December?

In December, the average sunshine duration in Mount Houmas is 5.1h.

When is the lowest UV index in Mount Houmas?

With an average maximum UV index of 3, December is the month with the lowest UV index in Mount Houmas.

What is the UV index reading in December in Mount Houmas?

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

Average temperature in December - Mount Houmas, LA
  • Average high temperature in December: 62.2°F

The warmest month (with the highest average high temperature) is July (91°F).
The month with the lowest average high temperature is January (59.2°F).

  • Average low temperature in December: 47.7°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 (43.5°F).

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Average pressure in December
Mount Houmas, LA

Average pressure in December - Mount Houmas, LA
  • Average pressure in December: 30.12"Hg

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

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Average wind speed in December
Mount Houmas, LA

Average wind speed in December - Mount Houmas, LA
  • Average wind speed in December: 6.7mph

The windiest months (with the highest average wind speed) are February and April (7.1mph).
The calmest months (with the lowest average wind speed) are July and August (4.7mph).

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Average humidity in December
Mount Houmas, LA

Average humidity in December - Mount Houmas, 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 (74%).

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Average rainfall in December
Mount Houmas, LA

Average rainfall in December - Mount Houmas, LA
  • Average rainfall in December: 1.3"

The wettest month (with the highest rainfall) is July (3.03").
The driest months (with the least rainfall) are March and November (0.98").

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Average rainfall days in December
Mount Houmas, LA

Average rainfall days in December - Mount Houmas, LA
  • Average rainfall days in December: 10.7 days

The month with the highest number of rainy days is July (18.9 days).
The month with the least rainy days is November (7.9 days).

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Average snowfall in December
Mount Houmas, LA

Average snowfall in December - Mount Houmas, LA
  • Average snowfall in December: 0"

The month with the highest snowfall is January (0.04").
The months with the least snowfall are February, March, April, May, June, July, August, September, October, November and December (0").

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Average snowfall days in December
Mount Houmas, LA

Average snowfall days in December - Mount Houmas, LA
  • Average snowfall days in December: 0 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, November and December (0 days).

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Average daylight in December /
Average sunshine in December
Mount Houmas, LA

Average daylight in December / Average sunshine in December - Mount Houmas, 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 1min

The month with the most sunshine is June (Average sunshine: 10h and 36min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

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Average sunshine days in December
Mount Houmas, LA

Average sunshine days in December - Mount Houmas, LA
  • Average sunshine days in December: 17.6 days

The month with the most sunshine days is November (20.4 days).
The month with the least sunshine days is August (9.3 days).

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Average UV index in December
Mount Houmas, LA

Average UV index in December - Mount Houmas, 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).

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Average cloud cover in December
Mount Houmas, LA

Average cloud cover in December - Mount Houmas, 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).

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Average visibility in December
Mount Houmas, LA

Average visibility in December - Mount Houmas, LA
  • Average visibility in December: 6mi

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

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Mount Houmas, Louisiana, USA

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