December weather forecastDuson, LA
December
Weather in December
The first month of the winter, December, is also an enjoyable month in Duson, Louisiana, with temperature in the range of an average high of 61.9°F (16.6°C) and an average low of 47.8°F (8.8°C).Temperature
December ushers in a minute temperature change, with average high-temperatures reducing from November's agreeable 68°F (20°C) to a comfortable 61.9°F (16.6°C). December brings Duson a consistent average low-temperature of 47.8°F (8.8°C).Humidity
The average relative humidity in December is 80%.Rainfall
In Duson, in December, during 7.5 rainfall days, 0.59" (15mm) of precipitation is typically accumulated. In Duson, during the entire year, the rain falls for 100.7 days and collects up to 8.07" (205mm) of precipitation.Snowfall
December is the only month when snow falls. The month with the most snowfall is December, when snow falls for 0.1 days and typically aggregates up to 0.04" (1mm) of snow.Daylight
December has the shortest days of the year, with an average of 10h and 12min of daylight.On the first day of December, sunrise is at 6:48 am and sunset at 5:08 pm. On the last day of the month, sunrise is at 7:04 am and sunset at 5:19 pm CST.
Sunshine
The month with the least sunshine in Duson is December, with an average of 5.1h of sunshine.UV index
With an average maximum UV index of 3, December is the month with the lowest UV index. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 3 during December translates into the following guidance:
Take necessary precautions - Defending against sun damage is advocated. Avoiding direct sunlight during midday hours helps reduce the risk from intense UV radiation. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be cautious! The UV radiation from the Sun can be magnified almost twofold by snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Duson, LA
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is August (90.1°F).
The month with the lowest average high temperature is January (58.8°F).
- Average low temperature in December: 47.8°F
The month with the highest average low temperature is August (75°F).
The coldest month (with the lowest average low temperature) is January (44.2°F).
Average pressure in December
Duson, 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 and August (29.95"Hg).
Average wind speed in December
Duson, LA
- Average wind speed in December: 8.1mph
The windiest month (with the highest average wind speed) is February (8.6mph).
The calmest month (with the lowest average wind speed) is July (5.4mph).
Average humidity in December
Duson, LA
- Average humidity in December: 80%
The month with the highest relative humidity is February (81%).
The month with the lowest relative humidity is October (73%).
Average rainfall in December
Duson, LA
- Average rainfall in December: 0.59"
The wettest months (with the highest rainfall) are July and August (1.14").
The driest month (with the least rainfall) is March (0.31").
Average rainfall days in December
Duson, LA
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is August (12.9 days).
The month with the least rainy days is November (5 days).
Average snowfall in December
Duson, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is December (0.04").
The months with the least snowfall are January, February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Duson, LA
- Average snowfall days in December: 0.1 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 and November (0 days).
Average daylight in December /
Average sunshine in December
Duson, LA
- Average daylight in December: 10h and 12min
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 6min
The month with the most sunshine is June (Average sunshine: 10h and 42min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).
Average sunshine days in December
Duson, LA
- Average sunshine days in December: 21.5 days
The month with the most sunshine days is November (23.7 days).
The month with the least sunshine days is July (12.5 days).
Average UV index in December
Duson, 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).
Average cloud cover in December
Duson, LA
- Average cloud cover in December: 46
The month with the most cloud cover is February (Cloud cover 47).
The month with the least cloud cover is October (Cloud cover 25).
Average visibility in December
Duson, 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).





