December weather forecastBossier City, LA
December
Weather in December
Wrapping up the calendar year, December's weather in Bossier City is defined by its lower high temperatures of 56.3°F (13.5°C) and increased rainfall of 0.91" (23mm). The reduction in temperature, along with shorter daylight hours and a higher percentage of cloud cover, gives December a classic winter feel. Despite the decrease in overall sunlight hours, the number of sunny days in December ranks higher than in some of the warmer months. Humidity levels increase from November, making the winter weather feel slightly colder. With December, a full year of weather cycle ends, giving way to a fresh start with January's chilly days.Temperature
The beginning of December brings a slight decrease in the average high-temperature, transitioning from 64.4°F (18°C) in November to a still refreshing 56.3°F (13.5°C). An average temperature of 41.9°F (5.5°C) is recorded during the nights in December.Humidity
The average relative humidity in December is 79%.Rainfall
In Bossier City, during December, the rain falls for 6.9 days and regularly aggregates up to 0.91" (23mm) of precipitation. In Bossier City, during the entire year, the rain falls for 103.9 days and collects up to 11.54" (293mm) of precipitation.Snowfall
In Bossier City, snow does not fall in March through December.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 6:59 am and sunset at 5:09 pm. On the last day of December, sunrise is at 7:16 am and sunset at 5:19 pm CST.
Sunshine
With an average of 5h of sunshine, December has the least sunshine of the year.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV radiation for the average person.Note: The maximum daily UV index of 3 during December translates into the following directions:
Take precautions - Protection against sunburn is recommended. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Stay sun-safe with clothing that is both closely woven and worn loosely.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bossier City, LA
- Average high temperature in December: 56.3°F
The warmest months (with the highest average high temperature) are July and August (95.5°F).
The month with the lowest average high temperature is January (54.1°F).
- Average low temperature in December: 41.9°F
The month with the highest average low temperature is July (74.5°F).
The coldest month (with the lowest average low temperature) is January (38.8°F).
Average pressure in December
Bossier City, LA
- Average pressure in December: 30.13"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.93"Hg).
Average wind speed in December
Bossier City, LA
- Average wind speed in December: 6.4mph
The windiest month (with the highest average wind speed) is April (7.5mph).
The calmest months (with the lowest average wind speed) are August and September (5.3mph).
Average humidity in December
Bossier City, LA
- Average humidity in December: 79%
The month with the highest relative humidity is February (80%).
The month with the lowest relative humidity is August (65%).
Average rainfall in December
Bossier City, LA
- Average rainfall in December: 0.91"
The wettest month (with the highest rainfall) is April (1.65").
The driest month (with the least rainfall) is September (0.63").
Average rainfall days in December
Bossier City, LA
- Average rainfall days in December: 6.9 days
The month with the highest number of rainy days is July (10.8 days).
The month with the least rainy days is January (6.5 days).
Average snowfall in December
Bossier City, LA
- Average snowfall in December: 0"
The month with the highest snowfall is January (0.08").
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0").
Average snowfall days in December
Bossier City, LA
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Bossier City, LA
- Average daylight in December: 10h and 6min
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: 5h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).
Average sunshine days in December
Bossier City, LA
- Average sunshine days in December: 21.6 days
The month with the most sunshine days is January (23.3 days).
The month with the least sunshine days is September (17.7 days).
Average UV index in December
Bossier City, LA
- Average UV index in December: 3
The months with the highest UV index are May, 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
Bossier City, LA
- Average cloud cover in December: 47
The month with the most cloud cover is February (Cloud cover 51).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Bossier City, LA
- Average visibility in December: 6mi
The months with the highest visibility are January, March, April, May, June, July, August, September, October, November and December (6mi).
The month with the lowest visibility is February (5mi).
