Heat Advisory
* WHAT...Heat index values up to 110 expected.
* WHERE...All of southeast Louisiana and southern Mississippi.
* WHEN...From 11 AM to 8 PM CDT Thursday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Heat Advisory
* WHAT...Heat index values up to 110 expected.
* WHERE...All of southeast Louisiana and southern Mississippi.
* WHEN...From 11 AM this morning to 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
Tomorrow in Baton Rouge looks
sunny, with a high of 101°
and an overnight low of 74°.
Rain is unlikely (3% chance).
Winds top out near 10 mph,
and the UV index reaches 11 (very high).
Located in Louisiana, United States, Baton Rouge experiences a humid subtropical climate with hot, humid summers and generally mild winters. Afternoon temperatures peak near 90°F (32°C) in July and dip to about 61°F (16°C) in January, with around 61.9 inches (1572 mm) of precipitation falling across the year.
Baton Rouge weather: quick facts
Hottest month: July - highs near 90°F (32°C)
Coldest month: January - highs near 61°F (16°C)
Record high: 104°F (40°C) · Record low: 16°F (-9°C) (2015–2024)
Wettest month: August (18 rainy days) · Sunniest: June (11.5 h sun/day)
Climate type:humid subtropical - hot, humid summers and generally mild winters
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 90°F (32°C) and overnight lows stay near 76°F (25°C). The coolest month is January, with typical highs of 61°F (16°C) and lows around 44°F (7°C). Based on 2015–2024 weather data, temperatures have reached as high as 104°F (40°C) and dropped as low as 16°F (-9°C).
Rain, sun and snow
August is usually the wettest month. It brings about 7.7 inches (196 mm) of rain over 18 days, while October is the driest. June brings the most sunshine, averaging 11.5 hours of sun a day.
Season by season
Spring (March through May)
Spring in Baton Rouge is pleasantly warm, with daytime highs averaging 78°F (25°C) and nights around 61°F (16°C); expect showers on roughly 35 days across the season.
Summer (June through August)
Summer in Baton Rouge runs hot, with daytime highs averaging 89°F (32°C) and nights around 75°F (24°C); expect showers on roughly 51 days across the season. With the humidity factored in, afternoons often feel hotter than the thermometer reads - run the numbers through the humidity and dew point converter to see why.
Fall (September through November)
Fall in Baton Rouge is pleasantly warm, with daytime highs averaging 79°F (26°C) and nights around 63°F (17°C); expect showers on roughly 28 days across the season.
Winter (December through February)
Winter in Baton Rouge is mild, with daytime highs averaging 64°F (18°C) and nights around 47°F (9°C); expect showers on roughly 32 days across the season.
Average temperatures in Baton Rouge by month
Monthly averages for Baton Rouge based on 2015–2024 weather data.
July is the hottest month in Baton Rouge, with average highs of 90°F (32°C) and overnight lows near 76°F (25°C). In the past decade the temperature has peaked at 104°F (40°C).
What is the coldest month in Baton Rouge?
January is the coldest month, with highs averaging 61°F (16°C) and lows around 44°F (7°C). The lowest reading in recent years was 16°F (-9°C).
What is the rainiest month in Baton Rouge?
August is typically the wettest month, averaging 7.7 inches (196 mm) of precipitation across about 18 days. October is usually the driest.
Does it snow in Baton Rouge?
Snow is essentially absent in Baton Rouge - the 2015–2024 record shows no regular measurable snowfall.
What is the best time to visit Baton Rouge?
The best time to visit Baton Rouge is generally January to May and October, when warm days, manageable rainfall and plenty of daylight line up. Daytime temperatures in that window typically sit near 74°F (23°C).
How sunny is Baton Rouge?
Baton Rouge averages 9.2 hours of sunshine per day across the year. June is the sunniest month at about 11.5 hours of sun a day.
Is Baton Rouge humid?
Relative humidity in Baton Rouge averages about 77% over the year, which feels fairly humid. Combined with July heat, muggy conditions are common in summer - the dew point is the number to watch.