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 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
With the beginning of December, the average high-temperature shows a small decrease, transitioning from a pleasant 68.9°F (20.5°C) in November to a refreshing 61.9°F (16.6°C). December sees the temperature falling to a mean low of 49.3°F (9.6°C).Humidity
In Grand Chenier, the average relative humidity in December is 79%.Rainfall
In December, the rain falls for 14.3 days. Throughout December, 3.07" (78mm) of precipitation is accumulated. In Grand Chenier, during the entire year, the rain falls for 168 days and collects up to 34.96" (888mm) of precipitation.Snowfall
Months with snowfall are January and December. December is the month with the most snowfall. Snow falls for 0.1 days and accumulates 0.12" (3mm) of snow.Daylight
With an average of 10h and 18min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 6:50 am and sunset at 5:12 pm. On the last day of the month, sunrise is at 7:07 am and sunset at 5:23 pm CST.
Sunshine
The month with the least sunshine is December, with an average of 4.9h of sunshine.UV index
December is the month with the lowest UV index, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. To best shield against UV radiation, choose sun-safe garments and dependable sunglasses. 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
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in December?
What is the snowiest month?
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 Grand Chenier?
How long on average sun shines in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
Grand Chenier, LA
- Average high temperature in December: 61.9°F
The warmest month (with the highest average high temperature) is August (91.2°F).
The month with the lowest average high temperature is January (59.5°F).
- Average low temperature in December: 49.3°F
The month with the highest average low temperature is July (77.2°F).
The coldest month (with the lowest average low temperature) is January (46°F).
Average pressure in December
Grand Chenier, 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 (29.94"Hg).
Average wind speed in December
Grand Chenier, LA
- Average wind speed in December: 9mph
The windiest month (with the highest average wind speed) is April (10mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Grand Chenier, LA
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is October (71%).
Average rainfall in December
Grand Chenier, LA
- Average rainfall in December: 3.07"
The wettest month (with the highest rainfall) is August (5").
The driest month (with the least rainfall) is April (2.09").
Average rainfall days in December
Grand Chenier, LA
- Average rainfall days in December: 14.3 days
The month with the highest number of rainy days is August (19.3 days).
The month with the least rainy days is November (9.7 days).
Average snowfall in December
Grand Chenier, LA
- Average snowfall in December: 0.12"
The month with the highest snowfall is December (0.12").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Grand Chenier, 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
Grand Chenier, 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: 4h and 5min
The month with the most sunshine is June (Average sunshine: 10h and 24min).
The month with the least sunshine is December (Average sunshine: 4h and 54min).
Average sunshine days in December
Grand Chenier, LA
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is August (10.3 days).
Average UV index in December
Grand Chenier, 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
Grand Chenier, LA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 26).
Average visibility in December
Grand Chenier, 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).
Grand Chenier, Louisiana, USA
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