December weather forecastSupreme, LA
December
Weather in December
The first month of the winter, December, is still a refreshing month in Supreme, Louisiana, with temperature in the range of an average low of 50.2°F (10.1°C) and an average high of 63.7°F (17.6°C).Temperature
As Supreme enters December, the average high-temperature subtly lowers from the a pleasant 69.4°F (20.8°C) of November to a refreshing 63.7°F (17.6°C). Supreme sees an average low-temperature of 50.2°F (10.1°C) during December.Humidity
The months with the highest humidity are July through September and December, with an average relative humidity of 79%.Rainfall
In Supreme, in December, it is raining for 11.8 days, with typically 1.85" (47mm) of accumulated precipitation. In Supreme, during the entire year, the rain falls for 166.9 days and collects up to 25.39" (645mm) of precipitation.Snowfall
January and December are months with snowfall. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. In Supreme, during the entire year, snow falls for 0.4 days.Daylight
December has the shortest days of the year, with an average of 10h and 18min of daylight.On the first day of December, sunrise is at 6:42 am and sunset at 5:04 pm. On the last day of the month, sunrise is at 6:59 am and sunset at 5:15 pm CST.
Sunshine
With an average of 5.2h of sunshine, December has the least sunshine of the year.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 reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 4 during December translates into the following guidance:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Supreme, LA
- Average high temperature in December: 63.7°F
The warmest month (with the highest average high temperature) is July (90°F).
The month with the lowest average high temperature is January (60.8°F).
- Average low temperature in December: 50.2°F
The months with the highest average low temperature are July and August (75.7°F).
The coldest month (with the lowest average low temperature) is January (46.2°F).
Average pressure in December
Supreme, 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).
Average wind speed in December
Supreme, LA
- Average wind speed in December: 7.8mph
The windiest months (with the highest average wind speed) are February and April (8.1mph).
The calmest month (with the lowest average wind speed) is August (5.1mph).
Average humidity in December
Supreme, LA
- Average humidity in December: 79%
The months with the highest relative humidity are July, August, September and December (79%).
The month with the lowest relative humidity is October (74%).
Average rainfall in December
Supreme, LA
- Average rainfall in December: 1.85"
The wettest month (with the highest rainfall) is July (4.61").
The driest month (with the least rainfall) is November (1.14").
Average rainfall days in December
Supreme, LA
- Average rainfall days in December: 11.8 days
The month with the highest number of rainy days is August (22.3 days).
The month with the least rainy days is November (7.2 days).
Average snowfall days in December
Supreme, LA
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is January (0.3 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
Supreme, 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 12min
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 12min).
Average sunshine days in December
Supreme, LA
- Average sunshine days in December: 17 days
The month with the most sunshine days is November (20.6 days).
The month with the least sunshine days is August (5.8 days).
Average UV index in December
Supreme, 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
Supreme, 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 24).
Average visibility in December
Supreme, 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).





