Do you need to know, when is the best time to go to Louisiana? Then you should take a look here, what weather you can expect there during the year.
Louisiana is part of USA - United States of America. The climate of USA is very varied, as United States of America is a large country. The climate is mostly temperate, but tropical in Hawaii and Florida, and arctic in Alaska. This is not all. The climate is semiarid in the great plains west of the Mississippi River, and arid in the Great Basin of the southwest. You can expect low winter temperatures in the northwest, but they are sometimes moderated in January and February by warm winds. Winters in the south are warmer. Don? forget, that temperatures are usually significantly lower in mountains.
When speaking about the usual weather in this area, the information is relevant for example for these popular places: Abita Springs, Acadiana, Alexandria, Arcadia, Avery Island, Avondale, Baton Rouge, Bossier City, Breaux Bridge, Bridge City, Cameron, Campti, Central, Central City, Chalmette, Clarence, Colfax, Coushatta, Covington, Donaldsonville, Elmwood, Florida Parishes, Grand Isle, Greater New Orleans, Houma, Jefferson, Jefferson Parish, Kenner, Krotz Springs, LaPlace, Lafayette, Lake Charles, Lecompte, Logansport, Luling, Mandeville, Mansfield, Metairie, Minden, Monroe, Natchitoches, Natchitoches Parish, New Iberia, New Orleans, New Roads, Opelousas, Pineville, Plaquemines Parish, Rayne, Ruston, Saint Bernard Parish, Saint Rose, Shreveport, Slidell, St. Francisville, St. Martinville, St. Tammany Parish, Vacherie, Venice, Vidalia, West Feliciana Parish, Winnfield, Woodworth.
Let's look now what weather you can expect in the area around New Orleans and in many other cities. The warmest month here is July, the average maximum temperature is 33.4 ℃ (92.12 ℉). The average minimum temperature in this month is 26 ℃ (78.8 ℉). The coldest month here is January, the average maximum temperature is 15.6 ℃ (60.08 ℉). The average minimum temperature in this month is 8 ℃ (46.4 ℉). The most rainy month here is July, the average number of rainy days is 13.1. The least rainy month here is April, the average number of rainy days is 6.5. 
When travelling around Louisiana, always consider the altitude of the the place as well. We should remind you, that the highest point in USA - United States of America is Denali (Mount McKinley) (6190 m) and the lowest point is Death Valley (-86 m). So there are huge differences in altitudes in this country and the weather is very different in them therefore. Keep in mind, that the temperature usually decreases by 1.2 - 1.9 ℃ (2.2 - 3.5 ℉) per 200 m (656 ft), depending on the other conditions. (And we should add, that in the very special condition named thermal inversion even the temperature may be higher in higher altitudes.)
Typical (usual) weather in Louisiana in January is this: The average highest temperature in Louisiana in January is 15.6 ℃ (60.08 ℉). The average lowest temperature is 8 ℃ (46.4 ℉). At the beginning of January you can expect higher temperatures, the average highest temperature is around 16.45 ℃ (61.61 ℉). At the end of January you can expect higher temperatures, the average highest temperature is around 16.65 ℃ (61.97 ℉). The average number of rainy days in January is 10.1. The average rainfall is 127.7 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 10:14 (hours and minutes), in the middle of the month 10:25 and at the end of the month 10:43.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Louisiana in February is this: The average highest temperature in Louisiana in February is 17.7 ℃ (63.86 ℉). The average lowest temperature is 10 ℃ (50 ℉). At the beginning of February you can expect lower temperatures, the average highest temperature is around 16.65 ℃ (61.97 ℉). At the end of February you can expect higher temperatures, the average highest temperature is around 19.85 ℃ (67.73 ℉). The average number of rainy days in February is 8.9. The average rainfall is 123.9 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 10:43 (hours and minutes), in the middle of the month 11:06 and at the end of the month 11:32.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Louisiana in March is this: The average highest temperature in Louisiana in March is 22 ℃ (71.6 ℉). The average lowest temperature is 13.6 ℃ (56.48 ℉). At the beginning of March you can expect lower temperatures, the average highest temperature is around 19.85 ℃ (67.73 ℉). At the end of March you can expect higher temperatures, the average highest temperature is around 23.6 ℃ (74.48 ℉). The average number of rainy days in March is 9. The average rainfall is 118.7 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:32 (hours and minutes), in the middle of the month 12:00 and at the end of the month 12:27.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.
Typical (usual) weather in Louisiana in April is this: The average highest temperature in Louisiana in April is 25.2 ℃ (77.36 ℉). The average lowest temperature is 17.2 ℃ (62.96 ℉). At the beginning of April you can expect lower temperatures, the average highest temperature is around 23.6 ℃ (74.48 ℉). At the end of April you can expect higher temperatures, the average highest temperature is around 27.25 ℃ (81.05 ℉). The average number of rainy days in April is 6.5. The average rainfall is 103.3 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:27 (hours and minutes), in the middle of the month 12:53 and at the end of the month 13:18.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.
Typical (usual) weather in Louisiana in May is this: The average highest temperature in Louisiana in May is 29.3 ℃ (84.74 ℉). The average lowest temperature is 21.5 ℃ (70.7 ℉). At the beginning of May you can expect lower temperatures, the average highest temperature is around 27.25 ℃ (81.05 ℉). At the end of May you can expect higher temperatures, the average highest temperature is around 30.7 ℃ (87.26 ℉). The average number of rainy days in May is 6.8. The average rainfall is 109.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:18 (hours and minutes), in the middle of the month 13:39 and at the end of the month 13:55.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Louisiana in June is this: The average highest temperature in Louisiana in June is 32.1 ℃ (89.78 ℉). The average lowest temperature is 25.1 ℃ (77.18 ℉). At the beginning of June you can expect lower temperatures, the average highest temperature is around 30.7 ℃ (87.26 ℉). At the end of June you can expect higher temperatures, the average highest temperature is around 32.75 ℃ (90.95 ℉). The average number of rainy days in June is 12.5. The average rainfall is 163.6 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:55 (hours and minutes), in the middle of the month 14:03 and at the end of the month 14:03.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Louisiana in July is this: The average highest temperature in Louisiana in July is 33.4 ℃ (92.12 ℉). The average lowest temperature is 26 ℃ (78.8 ℉). At the beginning of July you can expect lower temperatures, the average highest temperature is around 32.75 ℃ (90.95 ℉). At the end of July you can expect lower temperatures, the average highest temperature is around 33.3 ℃ (91.94 ℉). The average number of rainy days in July is 13.1. The average rainfall is 144 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 14:03 (hours and minutes), in the middle of the month 13:54 and at the end of the month 13:38.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Louisiana in August is this: The average highest temperature in Louisiana in August is 33.2 ℃ (91.76 ℉). The average lowest temperature is 25.8 ℃ (78.44 ℉). At the beginning of August you can expect higher temperatures, the average highest temperature is around 33.3 ℃ (91.94 ℉). At the end of August you can expect lower temperatures, the average highest temperature is around 31.65 ℃ (88.97 ℉). The average number of rainy days in August is 11.1. The average rainfall is 131.9 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 13:38 (hours and minutes), in the middle of the month 13:17 and at the end of the month 12:52.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Louisiana in September is this: The average highest temperature in Louisiana in September is 30.1 ℃ (86.18 ℉). The average lowest temperature is 24.1 ℃ (75.38 ℉). At the beginning of September you can expect higher temperatures, the average highest temperature is around 31.65 ℃ (88.97 ℉). At the end of September you can expect lower temperatures, the average highest temperature is around 27.9 ℃ (82.22 ℉). The average number of rainy days in September is 8.7. The average rainfall is 104.4 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 12:52 (hours and minutes), in the middle of the month 12:26 and at the end of the month 11:59.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Louisiana in October is this: The average highest temperature in Louisiana in October is 25.7 ℃ (78.26 ℉). The average lowest temperature is 18.8 ℃ (65.84 ℉). At the beginning of October you can expect higher temperatures, the average highest temperature is around 27.9 ℃ (82.22 ℉). At the end of October you can expect lower temperatures, the average highest temperature is around 23.65 ℃ (74.57 ℉). The average number of rainy days in October is 7.5. The average rainfall is 79.7 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:59 (hours and minutes), in the middle of the month 11:33 and at the end of the month 11:07.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Louisiana in November is this: The average highest temperature in Louisiana in November is 21.6 ℃ (70.88 ℉). The average lowest temperature is 13.6 ℃ (56.48 ℉). At the beginning of November you can expect higher temperatures, the average highest temperature is around 23.65 ℃ (74.57 ℉). At the end of November you can expect lower temperatures, the average highest temperature is around 19.45 ℃ (67.01 ℉). The average number of rainy days in November is 7.7. The average rainfall is 103.2 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 11:07 (hours and minutes), in the middle of the month 10:44 and at the end of the month 10:26.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.Typical (usual) weather in Louisiana in December is this: The average highest temperature in Louisiana in December is 17.3 ℃ (63.14 ℉). The average lowest temperature is 9.7 ℃ (49.46 ℉). At the beginning of December you can expect higher temperatures, the average highest temperature is around 19.45 ℃ (67.01 ℉). At the end of December you can expect lower temperatures, the average highest temperature is around 16.45 ℃ (61.61 ℉). The average number of rainy days in December is 9.4. The average rainfall is 123.9 mm (look here, what this number means). When planning your travel, please, keep in mind, that actual weather may differ from these average values. The length of the day at the beginning of this month is approximately 10:26 (hours and minutes), in the middle of the month 10:15 and at the end of the month 10:13.These numbers above are valid primarily for the capital and the area around it. It is important to say, that the weather may differ significantly in different altitudes, especially in mountains.| Baton Rouge | temperature: - | highest temperature: 18.4 ℃ (65.12 ℉) | lowest temperature: 6.1 ℃ (42.98 ℉) | rainfall: 141.6mm | rainy days: 9 |
| Lake Charles | temperature: - | highest temperature: 17.4 ℃ (63.32 ℉) | lowest temperature: 6.7 ℃ (44.06 ℉) | rainfall: 117mm | rainy days: 9.8 |
| New Orleans | temperature: - | highest temperature: 17.3 ℃ (63.14 ℉) | lowest temperature: 9.7 ℃ (49.46 ℉) | rainfall: 123.9mm | rainy days: 9.4 |
| Shreveport | temperature: - | highest temperature: 14.3 ℃ (57.74 ℉) | lowest temperature: 3.4 ℃ (38.12 ℉) | rainfall: 124.7mm | rainy days: - |
| Lafayette | temperature: - | highest temperature: 17.4 ℃ (63.32 ℉) | lowest temperature: 5.9 ℃ (42.62 ℉) | rainfall: 134.4mm | rainy days: 9 |