December weather forecastHouma, LA
December
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
The advent of December brings a slight shift in average high-temperature, moving from a pleasant 70°F (21.1°C) in November to a comfortable 64.2°F (17.9°C). In Houma, an average low-temperature of 51.4°F (10.8°C) is recorded during December nights.Humidity
The months with the highest humidity are August and December, with an average relative humidity of 78%.Rainfall
In Houma, in December, during 9.4 rainfall days, 1.5" (38mm) of precipitation is typically accumulated. In Houma, during the entire year, the rain falls for 142.2 days and collects up to 18.86" (479mm) of precipitation.Snowfall
February through December are months without snowfall.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, 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 moderate threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, a daily UV index of 4 turns into the following recommendations:
Act with care - The need to guard against sun damage is communicated. Stay safe from the Sun's strongest UV rays by limiting exposure during midday. Using UVA and UVB-protective sunglasses and sun-protective clothing is effective against UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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).
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).
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).
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%).
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").
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).
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).
Average daylight in December /
Average sunshine in December
Houma, LA
- Average daylight in December: 10h and 18min
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 24min
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).
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).
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).
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).
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).





