December weather forecast
Houma, LA

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Weather in December

December brings a winter chill to Houma, Louisiana, with the temperature further dropping to 64.2°F (17.9°C). The shorter sunshine hours and longer nights create the perfect setting for the holiday season. The relative humidity peaks again this month, creating a cool dense fog early in the mornings and chilly evenings. Moderate rainfall dictates the winter vibe of this city during December. The festive spirit of the holiday season and the calm weather conditions make December an incredible time to visit and explore Houma.

Temperature

December's arrival comes with a mild decrease in the average high-temperature, moving subtly from a pleasant 70°F (21.1°C) in November to a refreshing 64.2°F (17.9°C). Throughout December, the temperature in Houma tends to fall to a consistent average low of 51.4°F (10.8°C).

Humidity

August and December, with an average relative humidity of 78%, are the most humid months in Houma, Louisiana.

Rainfall

In Houma, during December, the rain falls for 9.4 days and regularly aggregates up to 1.5" (38mm) of precipitation. Throughout the year, there are 142.2 rainfall days, and 18.86" (479mm) of precipitation is accumulated.

Snowfall

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

Daylight

The month with the shortest days in Houma is December, with an average of 10h and 18min of daylight.
On the first day of the month, sunrise is at 6:40 am and sunset at 5:03 pm. On the last day of December, sunrise is at 6:57 am and sunset at 5:14 pm CST.

Sunshine

December has the least sunshine of the year in Houma, Louisiana, with an average of 5.4h of sunshine.

UV index

January and December, with an average maximum UV index of 4, are months with the lowest UV index. A UV Index value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for the average person.
Note: A daily maximum UV index of 4 in December translates into the following instructions:
Act with care - The need to guard against sun damage is communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. A wide-brimmed hat is a staple for defending the face, eyes, ears, and neck from the Sun.
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Frequently asked questions

What are the temperatures in Houma in December?

The average high-temperature, in December, in Houma, is 64.2°F (17.9°C), while the average low-temperature is 51.4°F (10.8°C). In September, the average heat index (a.k.a. 'real feel', 'apparent temperature'), which factors the actual air temperature with the relative humidity, is computed to be 100.4°F (38°C).

What is the most humid month in Houma?

The months with the highest humidity in Houma are August and December, with an average relative humidity of 78%.

What is the average humidity in December in Houma?

In December, the average relative humidity in Houma is 78%.

How much does it rain in Houma in December?

In Houma, Louisiana, in December, during 9.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated.

When it does not snow in Houma?

In Houma, snow does not fall in February through December.

Does it snow in Houma in December?

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

What is the month with the shortest days in Houma?

The month with the shortest days in Houma is December, with an average of 10h and 18min of daylight.

How many hours of daylight does Houma have in December?

In Houma, Louisiana, the average day length in December is 10h and 17min.

When is the sunrise / sunset in December in Houma?

On the first day of December in Houma, Louisiana, sunrise is at 6:40 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 6:57 am and sunset at 5:14 pm CST.

What is the month with the least sunshine in Houma?

The month with the least sunshine in Houma, Louisiana, is December, with an average of 5.4h of sunshine.

How many hours of sunshine does Houma have in December?

The average sunshine duration in December in Houma, Louisiana, is 5.4h.

When is the lowest UV index in Houma?

The months with the lowest UV index are January and December, with an average maximum UV index of 4.

What is the UV index intensity in December in Houma?

The average daily maximum UV index in December in Houma, Louisiana, is 4. A UV Index reading of 3 to 5 represents a medium health risk from unsafe exposure to Sun's UV rays.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
70°F 21.1°C
64.2°F 17.9°C
61.3°F 16.3°C
Average low temperature
54.9°F 12.7°C
51.4°F 10.8°C
47.1°F 8.4°C
Average pressure
30.11" 765mmHg
30.11" 765mmHg
30.16" 766mmHg
Average wind speed
7.8mph 12.6km/h
8.5mph 13.7km/h
8.6mph 13.8km/h
Average max. wind speed
8.4mph 13.5km/h
9.1mph 14.6km/h
9.2mph 14.8km/h
Average wind speed gusts
12.6mph 20.3km/h
13.4mph 21.6km/h
13.5mph 21.7km/h
Average humidity
74%
78%
75%
Average rainfall
0.98" 25mm
1.5" 38mm
0.83" 21mm
Average rainfall days
6.2
9.4
7.8
Average snowfall days
0
0
0.1
Average daylight
10h 4min
10h 2min
10h 3min
Average sunshine
6h 1min
5h 2min
5h 5min
Average sunshine days
22.2
19.6
21.1
Average UV index
5
4
4
Average cloud cover
31%
44%
35%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in December
Houma, LA

Average temperature in December - Houma, LA
  • Average high temperature in December: 64.2°F

The warmest months (with the highest average high temperature) are July and August (89.2°F).
The month with the lowest average high temperature is January (61.3°F).

  • Average low temperature in December: 51.4°F

The month with the highest average low temperature is August (77°F).
The coldest month (with the lowest average low temperature) is January (47.1°F).

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Average pressure in December
Houma, LA

Average pressure in December - Houma, LA
  • Average pressure in December: 30.11"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
Houma, LA

Average wind speed in December - Houma, LA
  • Average wind speed in December: 8.5mph

The windiest months (with the highest average wind speed) are February and April (8.8mph).
The calmest month (with the lowest average wind speed) is August (5.4mph).

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Average humidity in December
Houma, LA

Average humidity in December - Houma, LA
  • Average humidity in December: 78%

The months with the highest relative humidity are August and December (78%).
The months with the lowest relative humidity are October and November (74%).

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Average rainfall in December
Houma, LA

Average rainfall in December - Houma, LA
  • Average rainfall in December: 1.5"

The wettest month (with the highest rainfall) is July (3.78").
The driest month (with the least rainfall) is March (0.71").

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Average rainfall days in December
Houma, LA

Average rainfall days in December - Houma, LA
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is August (19.8 days).
The month with the least rainy days is November (6.2 days).

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Average snowfall days in December
Houma, LA

Average snowfall days in December - Houma, 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
Houma, LA

Average daylight in December / Average sunshine in December - Houma, 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 2min

The month with the most sunshine is June (Average sunshine: 10h and 54min).
The month with the least sunshine is December (Average sunshine: 5h and 24min).

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Average sunshine days in December
Houma, LA

Average sunshine days in December - Houma, LA
  • Average sunshine days in December: 19.6 days

The month with the most sunshine days is November (22.2 days).
The months with the least sunshine days are July and August (8.5 days).

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Average UV index in December
Houma, LA

Average UV index in December - Houma, LA
  • Average UV index in December: 4

The months with the highest UV index are May, June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 4).

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Average cloud cover in December
Houma, LA

Average cloud cover in December - Houma, 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
Houma, LA

Average visibility in December - Houma, 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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Houma, Louisiana, USA

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