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
A mild shift in the average high-temperature occurs in December, reducing from a comfortable 64.6°F (18.1°C) in November to a mild 56.3°F (13.5°C). Throughout the month of December, Pecan Bayou expects an average low of 42.6°F (5.9°C).Humidity
In Pecan Bayou, the average relative humidity in December is 81%.Rainfall
In Pecan Bayou, in December, it is raining for 13.4 days, with typically 3.46" (88mm) of accumulated precipitation. In Pecan Bayou, during the entire year, the rain falls for 149.8 days and collects up to 35.51" (902mm) of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 0.04" (1mm) of snow. Throughout the year, there are 2.1 snowfall days, and 0.43" (11mm) of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 6:52 am and sunset at 5:02 pm. On the last day of December, sunrise is at 7:09 am and sunset at 5:13 pm CST.
Sunshine
The average sunshine in December is 4.9h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: In December, the maximum UV index of 3 translates into these guidelines:
Be mindful. Individuals with a lighter skin tone may suffer burns in less than 30 minutes. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. Stay sun-safe with clothing that is both closely woven and worn loosely. Be prepared! The intensity of the Sun's UV radiation can be amplified nearly double due to snow reflection.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What is the average humidity in December?
How much does it rain in December?
When does it start snowing?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Pecan Bayou have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Pecan Bayou, LA
- Average high temperature in December: 56.3°F
The warmest month (with the highest average high temperature) is July (92.8°F).
The month with the lowest average high temperature is January (53.8°F).
- Average low temperature in December: 42.6°F
The month with the highest average low temperature is July (73.4°F).
The coldest month (with the lowest average low temperature) is January (39.4°F).
Average pressure in December
Pecan Bayou, LA
- Average pressure in December: 30.14"Hg
The month with the highest atmospheric pressure is January (30.17"Hg).
The month with the lowest atmospheric pressure is June (29.95"Hg).
Average wind speed in December
Pecan Bayou, LA
- Average wind speed in December: 6.9mph
The windiest months (with the highest average wind speed) are March and April (7.6mph).
The calmest months (with the lowest average wind speed) are July, August and September (5.3mph).
Average humidity in December
Pecan Bayou, LA
- Average humidity in December: 81%
The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (69%).
Average rainfall in December
Pecan Bayou, LA
- Average rainfall in December: 3.46"
The wettest month (with the highest rainfall) is April (4.17").
The driest month (with the least rainfall) is September (1.5").
Average rainfall days in December
Pecan Bayou, LA
- Average rainfall days in December: 13.4 days
The month with the highest number of rainy days is March (15.2 days).
The month with the least rainy days is November (8.5 days).
Average snowfall in December
Pecan Bayou, LA
- Average snowfall in December: 0.04"
The month with the highest snowfall is February (0.2").
The months with the least snowfall are April, May, June, July, August, September, October and November (0").
Average snowfall days in December
Pecan Bayou, LA
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Pecan Bayou, LA
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 4h and 5min
The month with the most sunshine is July (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).
Average sunshine days in December
Pecan Bayou, LA
- Average sunshine days in December: 15 days
The month with the most sunshine days is October (20.6 days).
The month with the least sunshine days is February (13.2 days).
Average UV index in December
Pecan Bayou, LA
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Pecan Bayou, LA
- Average cloud cover in December: 48
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are June and October (Cloud cover 28).
Average visibility in December
Pecan Bayou, 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).
Pecan Bayou, Louisiana, USA
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