December weather forecast
Bossier City, LA

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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

In December, the average high-temperature marginally decreases from an enjoyable 64.4°F (18°C) in November to a moderate 56.3°F (13.5°C). An average low-temperature of 41.9°F (5.5°C) is expected during December.

Humidity

In December, the average relative humidity in Bossier City is 79%.

Rainfall

In Bossier City, Louisiana, in December, during 6.9 rainfall days, 0.91" (23mm) of precipitation is typically accumulated. 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, Louisiana, snow does not fall in March through December.

Daylight

December has the shortest days of the year, 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

December has the least sunshine of the year, with an average of 5h of sunshine.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: A typical high UV index of 3 in December suggests the following recommendations:
Be vigilant - Suggestions to stave off sun damage are provided. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration.
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Frequently asked questions

What are the temperatures in Bossier City in December?

The high-temperature, in December, in Bossier City, is 56.3°F (13.5°C), while the low-temperature averages to 41.9°F (5.5°C). In September, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is calculated to be 102.2°F (39°C).

What is the average humidity in December in Bossier City?

The average relative humidity in December is 79%.

How much does it rain in Bossier City in December?

In Bossier City, Louisiana, in December, during 6.9 rainfall days, 0.91" (23mm) of precipitation is typically accumulated.

When it does not snow in Bossier City?

In Bossier City, snow does not fall in March through December.

Does it snow in Bossier City in December?

In Bossier City, in December, it doesn't snow. In January, it regularly snows.

What is the month with the shortest days in Bossier City?

With an average of 10h and 6min of daylight, December has the shortest days of the year in Bossier City, Louisiana.

What is the average length of the day in December in Bossier City?

In December, the average day length is 10h and 4min.

What time are sunrise and sunset in December in Bossier City?

In December, on the first day of the month, sunrise is at 6:59 am and sunset at 5:09 pm. On the last day of the month, in Bossier City, sunrise is at 7:16 am and sunset at 5:19 pm CST.

What is the month with the least sunshine in Bossier City?

With an average of 5h of sunshine, December has the least sunshine of the year in Bossier City, Louisiana.

How long on average sun shines in December in Bossier City?

In December, the average sunshine duration is 5h.

What is the month with the lowest UV index in Bossier City?

The months with the lowest UV index in Bossier City are January and December, with an average maximum UV index of 3.

What is the UV index reading in December in Bossier City?

The average daily maximum UV index in December in Bossier City is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to the Sun's UV radiation.
Today
Tomorrow
Long-term
YearJFMAMJJASONDecember
Nov
December
Jan
Average high temperature
64.4°F 18°C
56.3°F 13.5°C
54.1°F 12.3°C
Average low temperature
47.5°F 8.6°C
41.9°F 5.5°C
38.8°F 3.8°C
Average pressure
30.13" 765mmHg
30.13" 765mmHg
30.16" 766mmHg
Average wind speed
6.5mph 10.5km/h
6.4mph 10.3km/h
6.6mph 10.6km/h
Average max. wind speed
7.1mph 11.4km/h
7mph 11.3km/h
7.2mph 11.6km/h
Average wind speed gusts
10.8mph 17.4km/h
10.4mph 16.7km/h
10.8mph 17.4km/h
Average humidity
74%
79%
77%
Average rainfall
0.67" 17mm
0.91" 23mm
0.79" 20mm
Average rainfall days
6.9
6.9
6.5
Average snowfall
0" 0mm
0" 0mm
0.08" 2mm
Average snowfall days
0.1
0
0.3
Average daylight
10h 3min
10h 1min
10h 2min
Average sunshine
5h 4min
5h 0min
5h 1min
Average sunshine days
21.3
21.6
23.3
Average UV index
4
3
3
Average cloud cover
38%
47%
43%
Average visibility
6mi 9.7km
6mi 9.7km
6mi 9.7km

Average temperature in December
Bossier City, LA

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).

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Average pressure in December
Bossier City, LA

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).

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Average wind speed in December
Bossier City, LA

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).

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Average humidity in December
Bossier City, LA

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%).

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Average rainfall in December
Bossier City, LA

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").

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Average rainfall days in December
Bossier City, LA

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).

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Average snowfall in December
Bossier City, LA

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").

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Average snowfall days in December
Bossier City, LA

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).

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Average daylight in December /
Average sunshine in December
Bossier City, LA

Average daylight in December / Average sunshine in December - Bossier City, 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: 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).

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Average sunshine days in December
Bossier City, LA

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).

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Average UV index in December
Bossier City, LA

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).

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Average cloud cover in December
Bossier City, LA

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).

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Average visibility in December
Bossier City, LA

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).

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Bossier City, Louisiana, USA

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