December weather forecastBissonet Plaza, LA
December
Weather in December
The first month of the winter, December, is still a comfortable month in Bissonet Plaza, Louisiana, with temperature in the range of an average low of 51.4°F (10.8°C) and an average high of 63.5°F (17.5°C).Temperature
The onset of December brings a small shift in high-temperatures, falling from a pleasant 68.9°F (20.5°C) in November to a comfortable 63.5°F (17.5°C). Bissonet Plaza reports an average low-temperature of 51.4°F (10.8°C) during the nights of December.Humidity
The most humid month is December, with an average relative humidity of 78%.Rainfall
In Bissonet Plaza, Louisiana, in December, during 14.7 rainfall days, 3.7" (94mm) of precipitation is typically accumulated. In Bissonet Plaza, during the entire year, the rain falls for 181.9 days and collects up to 44.61" (1133mm) of precipitation.Snowfall
February through December are months without snowfall.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of the month, sunrise is at 6:39 am and sunset at 5:00 pm. On the last day of December, sunrise is at 6:56 am and sunset at 5:11 pm CST.
Sunshine
With an average of 5.1h of sunshine, December has the least sunshine of the year in Bissonet Plaza.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 4. A UV Index estimate of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for the ordinary person.Note: A maximum daily UV index of 4 during December morphs into the following directions:
Guard yourself - Precautionary measures against sun damage are advocated. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bissonet Plaza, LA
- Average high temperature in December: 63.5°F
The warmest month (with the highest average high temperature) is July (89.2°F).
The month with the lowest average high temperature is January (60.3°F).
- Average low temperature in December: 51.4°F
The month with the highest average low temperature is August (78.1°F).
The coldest month (with the lowest average low temperature) is January (47.5°F).
Average pressure in December
Bissonet Plaza, 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).
Average wind speed in December
Bissonet Plaza, LA
- Average wind speed in December: 9mph
The windiest months (with the highest average wind speed) are February and April (9.3mph).
The calmest months (with the lowest average wind speed) are July and August (6.3mph).
Average humidity in December
Bissonet Plaza, LA
- Average humidity in December: 78%
The month with the highest relative humidity is December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Bissonet Plaza, LA
- Average rainfall in December: 3.7"
The wettest month (with the highest rainfall) is July (6.5").
The driest month (with the least rainfall) is November (1.97").
Average rainfall days in December
Bissonet Plaza, LA
- Average rainfall days in December: 14.7 days
The months with the highest number of rainy days are July and August (22.8 days).
The month with the least rainy days is November (9.2 days).
Average snowfall in December
Bissonet Plaza, 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").
Average snowfall days in December
Bissonet Plaza, 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
Bissonet Plaza, 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 6min
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 6min).
Average sunshine days in December
Bissonet Plaza, LA
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is November (19.7 days).
The month with the least sunshine days is July (6.2 days).
Average UV index in December
Bissonet Plaza, LA
- Average UV index in December: 4
The months with the highest UV index are May, June, July, August and September (UV index 7).
The months with the lowest UV index are January, November and December (UV index 4).
Average cloud cover in December
Bissonet Plaza, LA
- Average cloud cover in December: 45
The month with the most cloud cover is December (Cloud cover 45).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in December
Bissonet Plaza, 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).





