Louisiana Weather by Month: Temperature & Rainfall Guide

Louisiana is a region in the United States of America. Many people wonder what the weather conditions are in Louisiana over the year. What is the best time to visit Louisiana?

This page shows the average weather conditions by month in Louisiana over the year in: January, February, March, April, May, June, July, August, September, October, November, December.

In January the weather in Louisiana ranges from mixed in New Orleans to good in Pearl River. January is a winter month. The average maximum daytime temperatures are moderate and range from 14°C (57°F) in Ruston to 17°C (63°F) in Raceland. On average, this month is the coldest month of the year in Louisiana.

Find more detailed climate information for Louisiana in January here.

In February the weather in Louisiana ranges from good in New Orleans to very good in Morgan City. February is a winter month. The temperatures range from moderate in Bossier City with 15°C (59°F) to pleasant in Raceland with 19°C (66°F).

Find more detailed climate information for Louisiana in February here.

In March the weather in Louisiana ranges from very good in New Orleans to excellent in Morgan City. The temperatures range from pleasant in Bossier City with 20°C (68°F) to high in Hammond with 23°C (73°F).

Find more detailed climate information for Louisiana in March here.

In April the weather in Louisiana is generally very good. In New Orleans you can expect warm maximum average daytime temperatures around 26°C (79°F) and nighttime temperatures around 17°C (63°F).

Find more detailed climate information for Louisiana in April here.

In May the weather in Louisiana ranges from good in Hammond to very good in New Orleans. In New Orleans you can expect warm maximum average daytime temperatures around 29°C (84°F) and nighttime temperatures around 21°C (70°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Louisiana in May here.

In June the weather in Louisiana is generally good. June is a summer month. In New Orleans you can expect very warm maximum average daytime temperatures around 32°C (90°F) and nighttime temperatures around 24°C (75°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Louisiana in June here.

In July the weather in Louisiana ranges from less favorable in Houma to good in Baton Rouge. July is a summer month. The average maximum daytime temperatures are very high and range from 32°C (90°F) in Galliano to 34°C (93°F) in Natchitoches. These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Louisiana in July here.

In August the weather in Louisiana ranges from less favorable in New Orleans to mixed in Metairie. August is a summer month. The temperatures range from very high in Morgan City with 32°C (90°F) to extremely high in Shamard Heights with 35°C (95°F). On average, this month is one of the warmest months of the year in Louisiana. So be prepared and make sure to dress lightly.

Find more detailed climate information for Louisiana in August here.

In September the weather in Louisiana ranges from mixed in Galliano to good in New Orleans. In New Orleans you can expect very warm maximum average daytime temperatures around 31°C (88°F) and nighttime temperatures around 23°C (73°F). These night and day temperatures are an average and some days may be even warmer. So be prepared and bring light clothes.

Find more detailed climate information for Louisiana in September here.

In October the weather in Louisiana ranges from very good in Baton Rouge to excellent in New Orleans. The average maximum daytime temperatures are high and range from 25°C (77°F) in Ruston to 28°C (82°F) in Eunice.

Find more detailed climate information for Louisiana in October here.

In November the weather in Louisiana ranges from very good in Baton Rouge to excellent in New Orleans. The average maximum daytime temperatures are pleasant and range from 19°C (66°F) in Ruston to 22°C (72°F) in Raceland.

Find more detailed climate information for Louisiana in November here.

In December the weather in Louisiana ranges from mixed in Amite to good in New Orleans. December is a winter month. The temperatures range from moderate in Bossier City with 15°C (59°F) to pleasant in Raceland with 19°C (66°F).

Find more detailed climate information for Louisiana in December here.