Louisiana Weather by Month
Louisiana, located in the southeastern United States, is known for its warm, humid subtropical climate that is influenced by the Gulf of Mexico. The state experiences hot, humid summers and mild, wet winters, making it a region where the weather is a defining characteristic of its culture and lifestyle. Summers in Louisiana are typically long, with temperatures often exceeding 90°F (32°C) and high humidity levels that can make the heat feel even more intense. Thunderstorms are common during the summer months, and the state is also prone to hurricanes during the Atlantic hurricane season, which runs from June through November. Winters are short and mild, with temperatures generally staying above freezing, though occasional cold snaps can occur. Spring and fall offer more moderate temperatures, with spring being particularly pleasant as the state’s landscapes bloom. Louisiana’s climate supports a rich variety of plant and animal life, making it a prime location for outdoor activities year-round. Whether you’re exploring the vibrant streets of New Orleans, the swamps and bayous, or the historic plantations, Louisiana’s weather plays a key role in the state’s unique charm and appeal.
Average Temperature and Precipitation by Month
| Month | Average Temperature (°F) | Average Temperature (°C) | Average Precipitation (inches) |
|---|---|---|---|
| January | 51°F | 11°C | 5.7 |
| February | 54°F | 12°C | 5.1 |
| March | 61°F | 16°C | 5.0 |
| April | 68°F | 20°C | 5.0 |
| May | 75°F | 24°C | 5.3 |
| June | 81°F | 27°C | 5.9 |
| July | 82°F | 28°C | 6.2 |
| August | 82°F | 28°C | 6.7 |
| September | 78°F | 26°C | 5.4 |
| October | 69°F | 21°C | 3.5 |
| November | 60°F | 16°C | 4.3 |
| December | 53°F | 12°C | 5.4 |
Monthly Weather, Clothing, and Landmarks
January
Weather: January is the coldest month in Louisiana, with average temperatures ranging from 40°F to 62°F (4°C to 17°C). While the weather is generally mild, cold fronts can occasionally bring chilly temperatures and even frost to the northern parts of the state. Rain is common, contributing to the overall dampness of the winter season.
Clothing: To stay comfortable in January, wear layers such as long-sleeved shirts, sweaters, and a medium-weight jacket. In northern Louisiana, you might need a heavier coat for colder days, especially in the early mornings and evenings. Waterproof shoes and an umbrella are recommended due to the frequent rain.
Landmarks: January is a great time to visit New Orleans, where the winter weather is mild enough to enjoy outdoor activities like exploring the French Quarter, taking a riverboat cruise on the Mississippi River, or visiting the historic Garden District. The city begins gearing up for Mardi Gras, with early parades and events offering a taste of the upcoming festivities. If you’re interested in history, head to Natchitoches, the oldest permanent settlement in the Louisiana Purchase territory, where you can tour historic homes and enjoy the tranquil atmosphere of this charming town.
February
Weather: February in Louisiana remains cool, with temperatures ranging from 42°F to 65°F (6°C to 18°C). The weather can be unpredictable, with mild days followed by cooler nights. Rain continues to be a common occurrence, and the humidity starts to rise as the month progresses, especially in southern Louisiana.
Clothing: Layered clothing is still necessary in February. Wear long-sleeved shirts, sweaters, and a light to medium-weight jacket. Waterproof footwear and an umbrella are advisable, especially if you plan to be outside during rainy days. A scarf or hat might be useful for cooler evenings.
Landmarks: February is the peak of Mardi Gras season in New Orleans, making it the best time to experience this world-famous celebration. Parades, balls, and street parties fill the city with music, color, and revelry. For a more relaxed experience, visit the Avery Island, home of the Tabasco Factory and the beautiful Jungle Gardens, where you can learn about the production of the famous hot sauce and explore lush gardens filled with native plants and wildlife. The state’s plantations, such as Oak Alley and Laura Plantation, are also worth visiting in February, as the cooler weather makes exploring the expansive grounds more comfortable.
March
Weather: March marks the beginning of spring in Louisiana, with average temperatures ranging from 50°F to 71°F (10°C to 22°C). The weather is generally mild, with an increase in rainfall as the state transitions into the wetter spring season. The days start to warm up, and the landscapes begin to bloom.
Clothing: Light layers, including long-sleeved shirts, a light jacket, and comfortable shoes, are ideal for March. An umbrella or raincoat is recommended due to the frequent spring showers. As temperatures rise, lighter clothing may be needed during the day, especially in southern Louisiana.
Landmarks: March is an excellent time to visit the swamps and bayous of Louisiana, such as the Atchafalaya Basin, where you can take a guided boat tour and witness the region’s unique wildlife and vegetation. The warmer weather also makes it a great time to explore the Audubon Zoo and Audubon Park in New Orleans, where spring blooms and active animals create a lively atmosphere. For music lovers, Lafayette’s Festival International de Louisiane, a celebration of the area’s Francophone culture, kicks off in late March, featuring live performances, food, and art from around the world.
April
Weather: April in Louisiana brings warmer temperatures, ranging from 58°F to 78°F (14°C to 26°C). The weather is generally pleasant, with fewer rainy days than March, making it one of the most comfortable months to visit the state. The humidity remains manageable, and the landscapes are lush and vibrant.
Clothing: Light, breathable clothing such as t-shirts, light jackets, and comfortable walking shoes are ideal for April. Sun protection, including sunscreen, sunglasses, and a hat, is recommended as the days become sunnier. An umbrella or rain jacket may still be useful for occasional showers.
Landmarks: April is a wonderful time to explore Louisiana’s outdoor attractions. The New Orleans Jazz & Heritage Festival, one of the most iconic music festivals in the country, takes place in late April, offering a blend of local and international music, food, and culture. The scenic Natchez Trace Parkway, which begins in Natchez, Mississippi, and extends into Louisiana, offers beautiful views and historic sites perfect for a leisurely drive or bike ride. For a taste of Louisiana’s unique ecosystems, visit the Barataria Preserve in the Jean Lafitte National Historical Park and Preserve, where you can hike boardwalk trails through cypress swamps and spot wildlife such as alligators and wading birds.
May
Weather: May sees the arrival of early summer in Louisiana, with temperatures ranging from 65°F to 85°F (18°C to 29°C). The weather becomes warmer and more humid, with an increase in rainfall, particularly toward the end of the month. The state’s landscapes are fully green, and the longer daylight hours make it a perfect time for outdoor activities.
Clothing: Light, breathable clothing such as shorts, t-shirts, and sandals is recommended for May. Sun protection, including sunscreen, sunglasses, and a hat, is essential as the sun’s intensity increases. A light rain jacket or umbrella is useful for afternoon showers.
Landmarks: May is an ideal time to visit the city of Lafayette, where you can experience the annual Crawfish Festival, celebrating Louisiana’s favorite crustacean with music, dancing, and, of course, plenty of crawfish. The Creole Nature Trail, often called Louisiana’s Outback, offers a scenic drive through marshes, prairies, and along the Gulf Coast, providing opportunities for birdwatching, fishing, and beachcombing. For a cultural experience, visit the historic town of St. Francisville, where you can tour antebellum homes and gardens that are in full bloom during May.
June
Weather: June ushers in the full heat of summer in Louisiana, with temperatures ranging from 70°F to 90°F (21°C to 32°C). The weather is hot and humid, with frequent afternoon thunderstorms, especially in the southern part of the state. June also marks the beginning of the Atlantic hurricane season, so occasional tropical storms are possible.
Clothing: Light, airy clothing is essential in June, including shorts, tank tops, and sandals. Sun protection, including sunscreen, sunglasses, and a hat, is crucial. A light rain jacket or umbrella is recommended for dealing with the frequent thunderstorms.
Landmarks: June is a great time to explore Louisiana’s beaches, such as those found on Grand Isle, where you can relax, fish, and enjoy water sports. The Bayou Teche National Wildlife Refuge offers opportunities for wildlife viewing, canoeing, and hiking in a picturesque setting. The vibrant city of New Orleans continues to offer a wide range of activities, from touring the historic French Quarter to enjoying live music at one of the many clubs on Frenchmen Street. For a unique experience, visit Avery Island, where you can tour the Tabasco Factory and explore the Jungle Gardens.
July
Weather: July is one of the hottest months in Louisiana, with temperatures ranging from 73°F to 92°F (23°C to 33°C). The heat and humidity are at their peak, and afternoon thunderstorms are common. The risk of tropical storms and hurricanes increases as the Atlantic hurricane season progresses.
Clothing: Wear light, breathable clothing such as shorts, t-shirts, and sandals. Sun protection is essential, so be sure to use sunscreen, wear sunglasses, and a hat. A light rain jacket or umbrella is useful for the frequent thunderstorms.
Landmarks: July is ideal for indoor activities to escape the heat, such as visiting the National WWII Museum in New Orleans, which offers extensive exhibits on World War II history in an air-conditioned setting. For those who enjoy outdoor adventures, a visit to the Kisatchie National Forest provides opportunities for hiking, camping, and exploring the state’s only national forest. The annual Essence Festival in New Orleans is another highlight of July, featuring concerts, cultural events, and discussions focused on African American culture and empowerment.
August
Weather: August continues the hot and humid trend in Louisiana, with temperatures ranging from 73°F to 92°F (23°C to 33°C). The heat remains intense, and afternoon thunderstorms are frequent. August is also the peak of the Atlantic hurricane season, making it a time when the state is most vulnerable to tropical storms and hurricanes.
Clothing: Light, breathable clothing is necessary in August, including shorts, tank tops, and sandals. Sunscreen, sunglasses, and a hat are essential for sun protection. A light rain jacket or umbrella is recommended for the frequent thunderstorms, and be prepared for the possibility of severe weather.
Landmarks: August is a great time to explore Louisiana’s coastal areas, such as the Creole Nature Trail, where you can drive through diverse landscapes, spot wildlife, and enjoy the Gulf Coast’s beaches. For a unique cultural experience, visit the town of Eunice, where you can participate in a traditional Cajun music jam session at the Liberty Theater. The Louisiana State Museum in Baton Rouge offers another excellent indoor activity, with exhibits that explore the state’s rich history, culture, and environment.
September
Weather: September brings a slight relief from the summer heat, with temperatures ranging from 70°F to 88°F (21°C to 31°C). The weather remains warm and humid, with a continued risk of afternoon thunderstorms. The threat of hurricanes continues as the peak of the Atlantic hurricane season carries on through September.
Clothing: Light, comfortable clothing such as shorts, t-shirts, and sandals is ideal for September. Sun protection remains important, so use sunscreen, sunglasses, and a hat. A light rain jacket or umbrella is useful for afternoon showers and potential storms.
Landmarks: September is a perfect time to visit Baton Rouge, where you can explore the Louisiana State Capitol, the tallest state capitol building in the U.S., and enjoy views of the Mississippi River. The Bayou Country Superfest, typically held in late September, features top country music acts and draws fans from across the region. The Lafayette area also hosts the Festival Acadiens et Créoles, a celebration of Cajun and Creole culture with music, food, and dancing, making it a great time to experience the state’s unique heritage.
October
Weather: October sees a more significant drop in temperatures, ranging from 59°F to 78°F (15°C to 26°C), making it one of the most pleasant months in Louisiana. The humidity decreases, and the weather is generally dry and sunny, making it ideal for outdoor activities. The risk of hurricanes diminishes as the month progresses.
Clothing: Light layers, including t-shirts, long-sleeved shirts, and light jackets, are ideal for October. Comfortable walking shoes are recommended for exploring outdoor attractions. Sun protection is still necessary, but the cooler weather makes outdoor activities more comfortable.
Landmarks: October is the perfect time to visit New Orleans for Halloween festivities, including ghost tours, haunted houses, and the Krewe of Boo parade. The cooler weather also makes it an excellent time to explore the plantations along the River Road, such as Oak Alley and Laura Plantation, where you can learn about Louisiana’s history and culture. For a more nature-focused experience, visit the Tammany Trace, a scenic bike trail on the Northshore of Lake Pontchartrain, offering beautiful views and opportunities for birdwatching and picnicking.
November
Weather: November in Louisiana brings cooler temperatures, ranging from 50°F to 70°F (10°C to 21°C). The weather is mild and pleasant, with lower humidity and fewer rainy days. Fall foliage begins to appear in the northern parts of the state, adding a touch of color to the landscapes.
Clothing: Warm layers, including sweaters, light jackets, and long pants, are appropriate for November. Comfortable walking shoes are recommended for outdoor activities, and a light coat may be needed for cooler evenings, especially in northern Louisiana.
Landmarks: November is a great time to explore the historic town of Natchitoches, known for its beautiful riverfront and charming downtown area, where the holiday lights begin to appear, leading up to the famous Christmas Festival. The Louisiana Renaissance Festival in Hammond offers a fun and educational experience, with costumed performers, jousting, and artisan crafts. For those interested in history, a visit to the Poverty Point World Heritage Site provides a fascinating look at one of North America’s most significant archaeological sites, with mounds and earthworks dating back over 3,000 years.
December
Weather: December in Louisiana is characterized by cool temperatures, ranging from 44°F to 64°F (7°C to 18°C). The weather is mild, with occasional rain showers, but snow is rare, especially in southern Louisiana. The state’s landscapes take on a festive appearance as holiday decorations light up towns and cities.
Clothing: Layering is key in December, with long-sleeved shirts, sweaters, and a medium-weight coat. A scarf and gloves may be needed for cooler days, particularly in the northern part of the state. Waterproof shoes are useful for navigating wet conditions.
Landmarks: December is the perfect time to experience the holiday season in Louisiana. Visit the Natchitoches Christmas Festival, one of the oldest and most famous holiday celebrations in the state, featuring a parade, fireworks, and over 300,000 lights decorating the town. The city of New Orleans also hosts numerous holiday events, including the Celebration in the Oaks in City Park, where you can enjoy a festive light display and holiday-themed activities. For a unique experience, take a Cajun Christmas boat tour through the swamps, where you can see holiday lights and decorations in a truly Louisiana setting.
