Baton Rouge, Louisiana, offers a unique climate that attracts visitors and new residents alike.
Located in the southern part of the United States, Baton Rouge experiences hot and humid summers. The warmest month is August, where the average temperature hovers around 81.8°F and the water temperature reaches 85°F.
The cooler period extends from December to March, with February being the coldest month at an average water temperature of 61°F.
Rainfall is a significant aspect of Baton Rouge’s climate, contributing to the lush landscapes and vibrant greenery found throughout the city.
The city sees peak rainfall in July and August, receiving over 4.5 inches during these months.
This consistent precipitation supports diverse plant life and contributes to the area’s natural beauty.
Visitors and residents can enjoy mild winters, with the coldest month, January, averaging around 51.3°F.
The mix of warm and cold periods creates a balanced environment, making Baton Rouge a versatile location suitable for various outdoor activities year-round.
For more specific weather details, you can visit this climate information page.
Average Temperature in Baton Rouge, Louisiana
The average temperature in Baton Rouge varies significantly throughout the year.
The hottest month is August with average highs of 91°F. In contrast, January is the coldest month, where temperatures often dip to around 43°F.
Monthly averages show that from May to September, it is quite hot, with temperatures frequently reaching above 85°F.
On the other hand, December through February tends to be much cooler, featuring temperatures that can drop below 50°F.
| Month | High Temp (°F) | Low Temp (°F) |
|---|---|---|
| January | 61°F | 43°F |
| February | 65°F | 47°F |
| March | 72°F | 53°F |
| April | 79°F | 60°F |
| May | 85°F | 67°F |
| June | 90°F | 73°F |
| July | 91°F | 75°F |
| August | 91°F | 75°F |
| September | 87°F | 71°F |
| October | 80°F | 59°F |
| November | 71°F | 50°F |
| December | 63°F | 44°F |
It’s important to note that the weather in Baton Rouge can feel intense, especially in the summer months due to the combination of heat and humidity.
Despite the warm temperatures, the city receives significant rainfall year-round, making it important for residents and visitors to stay prepared for sudden showers.
Average Precipitation in Baton Rouge, Louisiana
Baton Rouge experiences significant rainfall throughout the year, with no distinct dry season. Snowfall is rare, making rain the primary form of precipitation.
Average Rainfall in Baton Rouge, Louisiana
Baton Rouge receives a notable amount of rainfall each year.
The wettest month is typically July with about 4.72 inches of rain, closely followed by August with 4.57 inches. Rainy days are common, contributing to a lush and green environment.
During the cooler months, the rainfall slightly decreases.
For instance, January usually sees less precipitation compared to the summer months.
The annual total precipitation in Baton Rouge averages around 62 inches, ensuring that the area stays well-hydrated throughout the year.
Average Snow in Baton Rouge, Louisiana
Snowfall in Baton Rouge is almost non-existent. The subtropical climate of the region means that temperatures rarely drop low enough for snow to form.
On the rare occasions it does snow, it usually melts quickly without causing any significant accumulation.
Residents and visitors are more likely to see light ice rather than heavy snowfalls. Baton Rouge’s lack of snow contributes to its reputation as a warm and sunny locale year-round.
Average Sun in Baton Rouge, Louisiana
In Baton Rouge, Louisiana, the amount of sunlight varies considerably throughout the year. Specific patterns of sunshine and daylight can be observed, which are closely related to the region’s climate.
Average Daily Shortwave Solar Energy in Baton Rouge, Louisiana
The daily shortwave solar energy in Baton Rouge sees notable variation over the year.
Peak solar energy is typically in June, when the long days provide more sunlight. Average daily solar energy in June is around 6.3 kWh.
In contrast, December sees shorter days and much less solar energy. December averages about 3.1 kWh per day.
This fluctuation mainly occurs due to the changing position of the sun and varying daylight hours.
The longest day of the year typically falls in June, during the summer solstice, with up to 14 hours of daylight.
Conversely, the shortest day is around December 21, offering just over 10 hours of daylight.
Baton Rouge receives ample sunshine hours throughout the year, with summer months recording the highest averages.
Average Humidity in Baton Rouge, Louisiana
Baton Rouge experiences a range of humidity levels throughout the year.
The mean annual relative humidity in Baton Rouge is 73%.
On average, relative humidity is highest in July, reaching about 77.0%. In contrast, February has the lowest average humidity at 70.0%.
Monthly Average Humidity:
- January: 72%
- February: 70%
- March: 71%
- April: 73%
- May: 75%
- June: 76%
- July: 77%
- August: 76%
- September: 74%
- October: 72%
- November: 71%
- December: 72%
Dew Point:
Baton Rouge has a warm climate, and the dew point helps understand the “mugginess.” Higher dew points are common in summer.
For more detailed climate data, visit the World Weather & Climate Information.
Average Wind in Baton Rouge, Louisiana
In Baton Rouge, Louisiana, wind speeds vary throughout the year. February is the windiest month, with an average hourly wind speed of 7.6 mph.
During the calmer months, from May 20 to October 7, the average wind speed decreases significantly.
Calmest Month:
- August: The average hourly wind speed drops to 4.7 mph.
The transition from the windy season to the calmer period creates a noticeable change in the weather patterns for residents and visitors.
The table below summarizes the wind speeds for Baton Rouge:
| Month | Average Wind Speed (mph) |
|---|---|
| January | 6.1 |
| February | 7.6 |
| March | 6.9 |
| April | 6.3 |
| May | 5.5 |
| June | 5.0 |
| July | 4.9 |
| August | 4.7 |
| September | 5.0 |
| October | 5.4 |
| November | 5.8 |
| December | 6.1 |
Average Air Quality in Baton Rouge, Louisiana
The air quality in Baton Rouge fluctuates throughout the year. It can range from good to moderate, with occasional days reaching unhealthy levels, especially during high ozone days.
Typical Air Quality Index (AQI) Values:
- Good: 0-50
- Moderate: 51-100
- Unhealthy for Sensitive Groups: 101-150
Currently, areas like the Garden District and New Roads often report AQI levels within the “Good” range.
For example, the Garden District recently recorded an AQI of 22, while New Roads had an AQI of 35. These values indicate that the air is generally safe for most people.
Seasonal Variations:
- Summer: Air quality can worsen due to higher ozone levels. On August 7, 2021, Baton Rouge experienced an AQI of 159.
- Winter: Air quality tends to improve with fewer pollutants and lower temperatures.
Real-Time Monitoring:
Residents can keep track of the air quality through platforms like IQAir and AccuWeather.
These tools provide updated AQI levels, visibility data, and forecasts.
Pollutants:
Common pollutants include PM2.5 and PM10 particles. These particles can affect visibility and respiratory health.
Monitoring stations, such as those listed on the GAIA air quality map, offer real-time data on these pollutants.
Topography of Baton Rouge, Louisiana
Baton Rouge is located in East Baton Rouge Parish, Louisiana. It lies on the banks of the Mississippi River, giving the city unique features in its landscape.
Elevation and Terrain
The average elevation of Baton Rouge is 43 feet. The region varies considerably, with a minimum elevation of 3 feet and a maximum elevation of 121 feet.
This elevation range influences the city’s terrain, with flat areas near the river and more elevated regions further inland.
Latitude: 30.33838 – 30.55898 N
Longitude: 90.99934 – 91.23504 W
Geographic Location
Baton Rouge is situated in the southeastern part of Louisiana, in the Florida Parishes region. The city’s location near the Mississippi River presents both benefits and challenges, including the risk of floods and access to river transport.
Subtropical Climate
The city experiences a humid subtropical climate (Cfa) characterized by hot, humid summers and mild winters. Annual rainfalls are significant, contributing to the lush landscapes and fertile soil around the area.
Climate Graph
The climate graph of Baton Rouge typically shows high precipitation levels throughout the year, with a slight peak during the summer months. This rainfall pattern supports its diverse vegetation and varied terrain.
The city is approximately 79 miles from New Orleans, enhancing its strategic importance in the region.
The unique elevations and terrain, combined with Baton Rouge’s humid subtropical climate, make it an interesting place for both residents and visitors. The regional landscape varies from floodplains to slightly raised hills, giving the city distinct geographical and climatic characteristics.
Extreme Weather Events that Occur in Baton Rouge, Louisiana
Baton Rouge, Louisiana, is known for experiencing a range of extreme weather events. These can include hurricanes, floods, and hail, all of which can cause significant damage to the area.
Hurricanes are a common threat, especially from June to November. These storms bring strong winds, heavy rain, and storm surges.
One notable event was the 2016 flood, where parts of southeastern Louisiana, including Baton Rouge, saw over two feet of rain, leading to catastrophic flooding. More details can be found here.
In addition to hurricanes, Baton Rouge also faces frequent flood events. The city is prone to flash floods due to heavy rainfall.
For instance, in mid-May 2021, a foot of rain caused a flash flood emergency in the region. Models suggest that extreme rain events are becoming more common, decreasing their return period from an average of 50 years to 30 years. This information is detailed here.
Severe storms can also produce hail, which poses risks to properties and crops. Hailstones larger than an inch can occur, causing damage to vehicles and buildings.
The region has also experienced numerous weather disaster events over the years. Since 1980, Louisiana has faced 102 confirmed weather/climate disasters with losses exceeding $1 billion each. For a summary of these events, click here.
Best Time of the Year to Visit Baton Rouge, Louisiana
Baton Rouge offers unique experiences through each season, with spring and fall being particularly favorable due to mild temperatures and fewer rainfall days.
What is Baton Rouge, Louisiana Like in Spring
Spring in Baton Rouge spans from March to May. During these months, temperatures range from the high 60s to the low 80s Fahrenheit.
This makes it a comfortable time for outdoor activities and exploring the city’s parks and trails.
March and April are known for their blooming flowers and green landscapes. Events such as festivals and farmers markets are common, enhancing the visitor experience. Rainfall is moderate, helping to keep the vegetation lush without being too intrusive.
May sees an increase in rainfall, averaging about 5 inches, but this is also the month when the city’s social calendar is busiest. The weather remains pleasant with highs in the 80s, making it a prime time to enjoy outdoor cultural activities and local cuisine.
What is Baton Rouge, Louisiana Like in Summer
Summer in Baton Rouge, from June to August, is characterized by high temperatures and frequent rainfall. Daytime highs often reach the low to mid-90s Fahrenheit, while nighttime lows hover around the mid-70s.
June, July, and August are the wettest months, with each receiving around 5 inches of rain or more. This season also sees high humidity, making the weather feel hotter than it is.
Despite this, summer is a vibrant time in Baton Rouge, with various festivals and family-friendly events.
Due to the heat, it is advised to carry water and sunscreen and take breaks if spending time outdoors. Visiting indoor attractions such as the LSU Museum of Art or the Louisiana Art & Science Museum can be a good way to stay cool.
What is Baton Rouge, Louisiana Like in Fall
Fall, spanning from September to November, brings relief from the summer heat. Temperatures during this season range from the high 60s to the low 80s Fahrenheit, providing a more comfortable climate for visitors.
September and October are particularly pleasant. Rainfall decreases, making it less likely to disrupt outdoor activities. Fall foliage adds beauty to the city’s parks and nature reserves.
The Greater Baton Rouge State Fair, held in late October and early November, is a notable event that attracts families and tourists. November sees cooler temperatures, often dropping to the 50s and 60s in the evenings, which can make for enjoyable nights out in the city.
What is Baton Rouge, Louisiana Like in Winter
Winters in Baton Rouge, lasting from December to February, are mild compared to many parts of the United States.
Average high temperatures range from 60°F to 70°F, while lows generally stay above freezing, often in the 40s.
December and January are the coolest months, but temperatures are rarely extreme. This makes winter a good time for leisurely strolls and visiting local attractions.
Rainfall is moderate, usually around 4 inches per month, so carrying an umbrella can be a good idea.
February marks the beginning of the warmer trend towards spring. Visitors can enjoy Mardi Gras celebrations, which bring a festive atmosphere to the city, complete with parades and outdoor parties.