Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
As December arrives, Destrehan's weather displays a minor decrease in high-temperatures, transitioning from November's agreeable 69.1°F (20.6°C) to a refreshing 63.7°F (17.6°C). Destrehan's average low-temperature is measured at a cool 50.9°F (10.5°C) during December.Humidity
The months with the highest humidity are February and December, with an average relative humidity of 78%.Rainfall
In Destrehan, in December, during 12.6 rainfall days, 2.52" (64mm) of precipitation is typically accumulated. In Destrehan, during the entire year, the rain falls for 180.8 days and collects up to 33.39" (848mm) of precipitation.Snowfall
January and December are months with snowfall in Destrehan. December is the first month it typically snows. Throughout December, there are 0.1 snowfall days. Throughout the year, there are 0.3 snowfall days.Daylight
The month with the shortest days in Destrehan 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 5:01 pm. On the last day of December, in Destrehan, Louisiana, sunrise is at 6:56 am and sunset at 5:12 pm CST.
Sunshine
December has the least sunshine of the year, with an average of 5.1h of sunshine.UV index
The month with the lowest UV index is December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, the maximum UV index of 3 suggests these recommendations:
Adopt protective measures - It is advised to guard against sun damage. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Take heed! Reflection from the snow can almost amplify the Sun's UV radiation by double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the average December temperature?
What are the most humid months?
What is the average humidity in December?
How many days does it rain in December in Destrehan?
When does it start to snow?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
What is the month with the least sunshine in Destrehan?
How long on average sun shines in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Destrehan, LA
- Average high temperature in December: 63.7°F
The warmest month (with the highest average high temperature) is July (89.6°F).
The month with the lowest average high temperature is January (60.4°F).
- Average low temperature in December: 50.9°F
The month with the highest average low temperature is August (77.5°F).
The coldest month (with the lowest average low temperature) is January (47.3°F).
Average pressure in December
Destrehan, 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
Destrehan, 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 months (with the lowest average wind speed) are July and August (5.8mph).
Average humidity in December
Destrehan, LA
- Average humidity in December: 78%
The months with the highest relative humidity are February and December (78%).
The month with the lowest relative humidity is October (72%).
Average rainfall in December
Destrehan, LA
- Average rainfall in December: 2.52"
The wettest month (with the highest rainfall) is July (5.39").
The driest month (with the least rainfall) is November (1.5").
Average rainfall days in December
Destrehan, LA
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is August (23.7 days).
The month with the least rainy days is November (8.4 days).
Average snowfall days in December
Destrehan, 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
Destrehan, 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 1min
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
Destrehan, LA
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is November (20.2 days).
The month with the least sunshine days is August (4.8 days).
Average UV index in December
Destrehan, 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
Destrehan, 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
Destrehan, 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).
Destrehan, Louisiana, USA
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