Climate and monthly weather forecast
Baton Rouge, LA

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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

The climate of Baton Rouge

Baton Rouge, located in Louisiana, USA, predominantly experiences a humid subtropical climate with no dry season, conforming with the Koppen climate classification of Cfa. This region shows no major fluctuations throughout the year and a relatively stable climate system dominates the scene.

Variations in weather parameters are not drastic, although there are changes observable in a yearly cycle. As per the data, it is possible to note the temperature ranges from 42.4°F (5.8°C) in January to 91.9°F (33.3°C) in both July and August. There is a clear upward and downward cycle with warmer temperatures starting in spring and peaking in summer months.

Interestingly, Baton Rouge receives significant rainfall throughout the year, peaking in the months of July with 4.72" (120mm) and August has 4.57" (116mm). Having said that, the least precipitation occurs in the month of November with 1.77" (45mm) only.

Among the unique weather patterns, the months of July and August also observe the most amount of daylight with 13.9 hours and 13.2 hours respectively. These extended daylight hours coupled with highest temperatures point towards summer being the most arduous period of the year. The humidity remains relatively high throughout the year, rising from 76% in April to 82% in February. The least cloudy month is October with 29% and the highest cloud coverage is seen in the month of February with 50%.

The best time to visit Baton Rouge

Given the prevailing weather conditions, the most recommended time to visit Baton Rouge lies between the months of March to May. In these months, the temperature ranges between 58.6°F (14.8°C) to 85.6°F (29.8°C), offering a conducive environment for outdoor activities without being overly hot. The region also experiences relatively lower rainfall during this period, particularly in April with an average rainfall of 2.68" (68mm) and May with 2.83" (72mm). Relative humidity during these months is 76%, which is lower in comparison to the rest of the year.

The worst time to visit Baton Rouge

Due to high heat and rainfall, the months from June to August are considered least appropriate for a visit to Baton Rouge, Louisiana. The temperature soars up to 91.9°F (33.3°C), making it uncomfortably hot. These months also witness the highest rainfall of the year with 4.72" (120mm) and 4.57" (116mm) respectively, contributing to the discomfort level. The humidity during these months is around 76% to 78%, adding to the sultry weather conditions.

Spring weather in Baton Rouge

Baton Rouge's spring season begins in March and lasts until May. This period witnesses a quick transition from cooler temperature to warmer days. Starting from a temperature of 71.2°F (21.8°C) in the month of March, it moves up to 85.6°F (29.8°C) in May. During this period, the rainfall also picks up to reach from 2.36" (60mm) in March to 2.83" (72mm) in May. Relative humidity fluctuates between 76% while the daylight hours gradually rise from 12 hours in March to 13.7 hours by May.

Summer weather in Baton Rouge

Summer in Baton Rouge stretches from June to August and it comes with high heat and substantial rainfall. The temperature remains over 90°F (32.2°C) throughout the season, with an average humidity of 76%. The amount of rainfall goes up to 4.72" (120mm) in July and 4.57" (116mm) in August making these months the rainiest part of the year. Despite this, Summers have the longest daylight hours ranging from 14.1 hours in June, reducing to 13.2 hours by August.

Autumn weather in Baton Rouge

Autumn in Baton Rouge starts in September and the weather begins to cool down gradually until November. The temperature during these months reduces from 88°F (31.1°C) in September to 68.4°F (20.2°C) in November. The rainfall, however, decreases dramatically to 1.77" (45mm) by November. This period experiences daylight hours around 12 hours per day, slowly reducing over the months.

Winter weather in Baton Rouge

Winter season in Baton Rouge spans from December to February. During these months, the temperatures are normally mild but can drop to as low as 42.4°F (5.8°C) in January. Rainfall levels fluctuate during this season, attaining the highest in December at 3.35" (85mm) and then reducing to 2.56" (65mm) in February. Despite these conditions, the winter season remains cloudy with the average cloud coverage going from 50% in December to 43% in February.

Weather in January

Transitioning from the chilly atmosphere of December, January in Baton Rouge, Louisiana, wears a relatively cold but bearable demeanor. Regular precipitation and an average humidity of 79% promote dampness across the city. Despite the weather shift, daily sunshine continues to grace the city for about 5.3 hours. Weather in January »

Weather in February

February carries forward the January pattern of cool weather, albeit with slightly warmer temperatures. The sunshine sees an incremental decrease, with an average of 5.1 hours per day. With winds rustling at an average speed of 6.6mph (10.6km/h), the chill in the air retains its presence. Weather in February »

Weather in March

As Baton Rouge steps into March, a subtle rise in temperature takes place suggesting the advent of spring. The city basks under the sun for a significantly longer duration, enjoying about 7.4 hours of daily sunshine. This transition sees the disappearance of snow and a slight increase in wind speed. Weather in March »

Weather in April

In April, Baton Rouge sees a more noticeable shift towards warmer weather. The slightly increased wind speed from March to April creates a calming aura in the city. With 8.9 hours of daily sunshine, the city is noticeably brighter compared to the previous months. Weather in April »

Weather in May

Baton Rouge enters into a period of early summer in May. The sun shines brighter and longer as Baton Rouge steps into more daylight hours. Rainfall sees a slight increase with an average of 2.83" (72mm) falling over the course of the month. Weather in May »

Weather in June

June greets Baton Rouge with true summer characteristics. Despite the rising temperature, the city experiences a notable extension of daylight hours to about 14.1 hours per day. The rainfall schedule intensifies, however, the cloud cover remains almost constant when compared with May. Weather in June »

Weather in July

In the heart of summer, July, Baton Rouge experiences the highest temperatures of the year reaching up to 91.9°F (33.3°C). The city experiences a minor extension in the daylight hours, illuminating the city for an extended period. Weather in July »

Weather in August

August continues the intense summer weather witnessed in July. Baton Rouge residents experience similar weather patterns. The relative humidity increases from July to 77%, giving a feeling of wet heat across the city despite the near-constant temperature. Weather in August »

Weather in September

With the arrival of September, Baton Rouge begins its transition from summer to fall. The city witnesses a trickle of improved weather as temperatures slowly decline. The daily hours of sunshine stabilize at around 9.5 hours, still leaving Baton Rouge with plenty of daylight. Weather in September »

Weather in October

October introduces Baton Rouge to a noticeably cooler climate as fall settles in. The duration of daylight hours decreases, yet there is ample sunshine for about 6.7 hours per day. Relative humidity sees a significant drop from September to 72%, marking a pleasant change. Weather in October »

Weather in November

November showcases the characteristics of a relatively calm and cooler month in Baton Rouge. The city experiences a steady decrease in daily daylight hours, although the sun continues to shine for around 5.9 hours. A slight rise in wind speed to 5.9mph (9.5km/h) provides a cooling and refreshing environment. Weather in November »

Weather in December

December in Baton Rouge ushers in the cold festive season. The temperature in December sees a further slump from November, ushering in a chilled and calm atmosphere. While rainfall increases towards the end of the year, the incidence of snow makes a minuscule reappearance. Weather in December »
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Frequently asked questions

What is the coldest month in Baton Rouge?

Baton Rouge's temperature records reveal January as the coldest month, marked by average highs of 58.6°F (14.8°C) and lows of 42.4°F (5.8°C).

How much does it rain in Baton Rouge?

Throughout the year, in Baton Rouge, Louisiana, there are 177.1 rainfall days, and 36.1" (917mm) of precipitation is accumulated.

When does it snow in Baton Rouge?

January and December are months with snowfall.

What is the snowiest month in Baton Rouge?

January is the month with the most snowfall in Baton Rouge. Snow falls for 0.3 days and accumulates 0.28" (7mm) of snow.

How much does it snow in Baton Rouge?

In Baton Rouge, during the entire year, snow falls for 0.5 days and aggregates up to 0.51" (13mm) of snow.

When is the lowest UV index in Baton Rouge?

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

What is the most humid month in Baton Rouge?

With an average relative humidity of 82%, February is the most humid month in Baton Rouge.

When it does not snow in Baton Rouge?

In Baton Rouge, Louisiana, snow does not fall in February through November.

When is Daylight Saving Time (DST) in Baton Rouge?

On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.

What is the month with the highest UV index in Baton Rouge?

The months with the highest UV index are May through August, with an average maximum UV index of 7.

When are the longest days in Baton Rouge?

June has the longest days of the year, with an average of 14h and 6min of daylight.

What month has the most sunshine in Baton Rouge?

June has the most sunshine of the year in Baton Rouge, with an average of 10.2h of sunshine.

What time of the year is the hottest in Baton Rouge?

The months of July and August bring the highest temperatures in Baton Rouge, averaging a high of 91.9°F (33.3°C).

What is the rainiest month in Baton Rouge?

The month with the most rainfall in Baton Rouge is July, when the rain falls for 22.5 days and typically aggregates up to 4.72" (120mm) of precipitation.

What is the least humid month in Baton Rouge?

The least humid month is October, with an average relative humidity of 72%.

What is the driest month in Baton Rouge?

November is the month with the least rainfall in Baton Rouge, Louisiana. Rain falls for 8.8 days and accumulates 1.77" (45mm) of precipitation.

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

The month with the shortest days in Baton Rouge, Louisiana, is December, with an average of 10h and 12min of daylight.

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

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

Average temperature
Baton Rouge, LA

Average temperature - Baton Rouge, LA

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).

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).

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Average pressure
Baton Rouge, LA

Average pressure - Baton Rouge, LA

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).

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Average wind speed
Baton Rouge, LA

Average wind speed - Baton Rouge, LA

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).

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Average humidity
Baton Rouge, LA

Average humidity - Baton Rouge, LA

The month with the highest relative humidity is February (82%).
The month with the lowest relative humidity is October (72%).

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Average rainfall
Baton Rouge, LA

Average rainfall - Baton Rouge, LA

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

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Average rainfall days
Baton Rouge, LA

Average rainfall days - Baton Rouge, LA

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).

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Average snowfall
Baton Rouge, LA

Average snowfall - Baton Rouge, LA

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").

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Average snowfall days
Baton Rouge, LA

Average snowfall days - Baton Rouge, LA

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).

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Average daylight / Average sunshine
Baton Rouge, LA

Average daylight / Average sunshine - Baton Rouge, LA

The month with the longest days is June (Average daylight: 14h and 6min).
The month with the shortest days is December (Average daylight: 10h and 12min).

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).

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Average sunshine days
Baton Rouge, LA

Average sunshine days - Baton Rouge, LA

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).

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Average UV index
Baton Rouge, LA

Average UV index - Baton Rouge, LA

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 visibility
Baton Rouge, LA

Average visibility - Baton Rouge, LA

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).

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Baton Rouge, Louisiana, USA

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