December weather forecast
Baton Rouge, LA

Manicured lawns and beautiful trees approaching the State Capitol building in Baton Rouge, Louisiana
Manicured lawns and beautiful trees approaching the State Capitol building in Baton Rouge, Louisiana

Weather in December

The first month of the winter, December, is still a comfortable month in Baton Rouge, Louisiana, with an average temperature varying between 61.5°F (16.4°C) and 46.4°F (8°C).

Temperature

In December, the average high-temperature marginally drops from an agreeable 68.4°F (20.2°C) in November to an enjoyable 61.5°F (16.4°C). In December, the average low-temperature is 46.4°F (8°C).

Humidity

In December, the average relative humidity is 81%.

Rainfall

In Baton Rouge, Louisiana, during 13.4 rainfall days, 3.35" (85mm) of precipitation is typically accumulated. In Baton Rouge, during the entire year, the rain falls for 177.1 days and collects up to 36.1" (917mm) of precipitation.

Snowfall

Months with snowfall in Baton Rouge are January and December. December is the first month it typically snows in Baton Rouge. Throughout December, in the average 0.1 snowfall days, it receives 0.24" (6mm) of snow. In Baton Rouge, during the entire year, snow falls for 0.5 days and aggregates up to 0.51" (13mm) of snow.

Daylight

The month with the shortest days in Baton Rouge is December, with an average of 10h and 13min of daylight.
On the first day of the month, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of December, in Baton Rouge, sunrise is at 7:01 am and sunset at 5:14 pm CST.

Sunshine

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

UV index

January and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a medium vulnerability from unsafe exposure to UV radiation for the ordinary person.
Note: The daily maximum UV index of 3 in December interpret into the following advice:
Take precautions - Protection against skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
[Resources]

FAQ

What is the average humidity in December in Baton Rouge?

The average relative humidity in December is 81%.

How much does it rain in Baton Rouge in December?

In Baton Rouge, Louisiana, during December, the rain falls for 13.4 days and regularly aggregates up to 3.35" (85mm) of precipitation.

When does it start to snow in Baton Rouge?

December is the first month it typically snows in Baton Rouge, Louisiana. Throughout December, in the average 0.1 snowfall days, it receives 0.24" (6mm) of snow.

What is the month with the shortest days in Baton Rouge?

December has the shortest days of the year in Baton Rouge, Louisiana, with an average of 10h and 13min of daylight.

How many hours of daylight does Baton Rouge have in December?

The average day length in December in Baton Rouge, Louisiana, is 10h and 13min.

When are sunrise and sunset in December in Baton Rouge?

On the first day of December in Baton Rouge, Louisiana, sunrise is at 6:43 am and sunset at 5:03 pm. On the last day of the month, sunrise is at 7:01 am and sunset at 5:14 pm CST.

What is the month with the least sunshine in Baton Rouge?

December has the least sunshine of the year in Baton Rouge, Louisiana, with an average of 5h of sunshine.

How many hours of sunshine does Baton Rouge have in December?

The average sunshine duration in December in Baton Rouge, Louisiana, is 5h.

What are the months with the lowest UV index in Baton Rouge?

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

What is the UV index reading in December in Baton Rouge?

In Baton Rouge, Louisiana, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium hazard to health from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Baton Rouge, LA

Average temperature in December - Baton Rouge, LA
  • Average high temperature in December: 61.5°F

The warmest months (with the highest average high temperature) are July and August (91.9°F).
The month with the lowest average high temperature is January (58.6°F).

  • Average low temperature in December: 46.4°F

The month with the highest average low temperature is August (73.9°F).
The coldest month (with the lowest average low temperature) is January (42.4°F).

[Resources]

Average pressure in December
Baton Rouge, LA

Average pressure in December - Baton Rouge, LA
  • Average pressure in December: 30.13"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June and August (29.96"Hg).

[Resources]

Average wind speed in December
Baton Rouge, LA

Average wind speed in December - Baton Rouge, LA
  • Average wind speed in December: 6.3mph

The windiest month (with the highest average wind speed) is February (6.6mph).
The calmest month (with the lowest average wind speed) is July (4.4mph).

[Resources]

Average humidity in December
Baton Rouge, LA

Average humidity in December - Baton Rouge, 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 (72%).

[Resources]

Average rainfall in December
Baton Rouge, LA

Average rainfall in December - Baton Rouge, LA
  • Average rainfall in December: 3.35"

The wettest month (with the highest rainfall) is July (4.72").
The driest month (with the least rainfall) is November (1.77").

[Resources]

Average rainfall days in December
Baton Rouge, LA

Average rainfall days in December - Baton Rouge, LA
  • Average rainfall days in December: 13.4 days

The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is November (8.8 days).

[Resources]

Average snowfall in December
Baton Rouge, LA

Average snowfall in December - Baton Rouge, LA
  • Average snowfall in December: 0.24"

The month with the highest snowfall is January (0.28").
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0").

[Resources]

Average snowfall days in December
Baton Rouge, LA

Average snowfall days in December - Baton Rouge, 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 March, April, May, June, July, August, September, October and November (0 days).

[Resources]

Average daylight in December /
Average sunshine in December
Baton Rouge, LA

Average daylight in December / Average sunshine in December - Baton Rouge, LA
  • Average daylight in December: 10h and 13min

The month with the longest days is June (Average daylight: 14h and 5min).
The month with the shortest days is December (Average daylight: 10h and 13min).

  • Average sunshine in December: 5h and 0min

The month with the most sunshine is June (Average sunshine: 10h and 12min).
The month with the least sunshine is December (Average sunshine: 5h and 0min).

[Resources]

Average sunshine days in December
Baton Rouge, LA

Average sunshine days in December - Baton Rouge, LA
  • Average sunshine days in December: 16.3 days

The month with the most sunshine days is November (19.6 days).
The months with the least sunshine days are July and August (7.3 days).

[Resources]

Average UV index in December
Baton Rouge, LA

Average UV index in December - Baton Rouge, 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).

[Resources]

Average cloud cover in December
Baton Rouge, LA

Average cloud cover in December - Baton Rouge, LA
  • Average cloud cover in December: 50

The months with the most cloud cover are February and December (Cloud cover 50).
The month with the least cloud cover is October (Cloud cover 29).

[Resources]

Average visibility in December
Baton Rouge, LA

Average visibility in December - Baton Rouge, LA
  • Average visibility in December: 5mi

The months with the highest visibility are October and November (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September and December (5mi).

[Resources]

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location
* you will be automatically redirected to the weather forecast for your location