Louisiana Weather in July

Average temperatures, rainfall, sunshine and the best places to visit in Louisiana, the United States of America in July.

Are you planning a trip a to Louisiana, the United States of America in July and wondering what kind of weather to expect? This page has all the details you need.

What to Expect in Louisiana in July

Louisiana, the United States of America is a region in the United States of America. July in Louisiana generally has very warm temperatures, with precipitation levels ranging from high to heavy. July is a summer month.

Temperatures

The average maximum temperatures are very warm and range from 32°C (90°F) in Galliano to 34°C (93°F) in Natchitoches. Nighttime temperatures generally drop to 23°C (73°F) in Natchitoches and 24°C (75°F) in Galliano. The temperatures mentioned for daytime and nighttime are general averages. However there can be days that surpass these temperatures. So equip yourself with clothing that can handle the potential heat.

To explore the conditions in Louisiana, the United States of America in more detail, check the map below.

Precipitation

In July, precipitation varies across different areas. From high rainfall in Ruston with an average of 101 mm (4 in) to heavy rainfall in Galliano with 232 mm (9.1 in).

Average sunshine

Sunshine is generally plentiful throughout many areas. New Orleans enjoys about 257 hours of sunlight, ideal for those seeking sunny weather.

Explore Louisiana by month

Pick a month to see the average temperature, rainfall and sunshine in Louisiana - and find the best time to visit. (based on New Orleans)

Best Places to Visit in Louisiana in July

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Louisiana.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Louisiana

What is the weather like in July for some of the most popular destinations in Louisiana, the United States of America?

Temperature range in Louisiana (July)

Precipitation variation in Louisiana (July)

New Orleans

In July New Orleans generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are mixed that month.

June
July
August
Max temperature
32°C (90°F)
33°C (91°F)
33°C (91°F)
Min temperature
24°C (75°F)
25°C (77°F)
25°C (77°F)
Monthly sun hours
274 hours
257 hours
251 hours
Monthly rainfall
150 mm (5.9 in)
191 mm (7.5 in)
219 mm (8.6 in)
Monthly rainy days
16 days
19 days
19 days
Weather conditions

Baton Rouge

In July Baton Rouge generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are good that month.

June
July
August
Max temperature
33°C (91°F)
33°C (91°F)
33°C (91°F)
Min temperature
22°C (72°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
280 hours
260 hours
270 hours
Monthly rainfall
156 mm (6.1 in)
173 mm (6.8 in)
230 mm (9.1 in)
Monthly rainy days
15 days
19 days
17 days
Weather conditions

Houma

In July Houma generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 24°C (75°F) and heavy monthly rainfall. So on average the conditions are less favorable that month.

June
July
August
Max temperature
32°C (90°F)
32°C (90°F)
33°C (91°F)
Min temperature
23°C (73°F)
24°C (75°F)
24°C (75°F)
Monthly sun hours
274 hours
257 hours
251 hours
Monthly rainfall
157 mm (6.2 in)
219 mm (8.6 in)
257 mm (10 in)
Monthly rainy days
16 days
22 days
20 days
Weather conditions

Metairie

In July Metairie generally has very high temperatures with maximum daytime temperatures around 33°C (91°F), minimum nighttime temperatures around 25°C (77°F) and heavy monthly rainfall. So on average the conditions are mixed that month.

June
July
August
Max temperature
33°C (91°F)
33°C (91°F)
33°C (91°F)
Min temperature
25°C (77°F)
25°C (77°F)
26°C (79°F)
Monthly sun hours
274 hours
257 hours
251 hours
Monthly rainfall
139 mm (5.5 in)
182 mm (7.2 in)
194 mm (7.6 in)
Monthly rainy days
16 days
20 days
18 days
Weather conditions

Slidell

In July Slidell generally has very high temperatures with maximum daytime temperatures around 32°C (90°F), minimum nighttime temperatures around 23°C (73°F) and heavy monthly rainfall. So on average the conditions are good that month.

June
July
August
Max temperature
32°C (90°F)
32°C (90°F)
33°C (91°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly sun hours
274 hours
257 hours
251 hours
Monthly rainfall
116 mm (4.6 in)
172 mm (6.8 in)
197 mm (7.8 in)
Monthly rainy days
14 days
19 days
17 days
Weather conditions

Is your destination not in the list? Have a look at all destinations in Louisiana, in the United States of America.

In our records: the United States of America July extremes

Notable July records observed across cities in the United States of America in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • In our records, the warmest July day in the United States of America reached 51°C (124°F) in Palm Desert on July 28, 1995.

Popular cities in July

Day & night temperatures, rainfall and average weather in Louisiana in July.

City Weather Day temp Night temp Rainfall
New Orleans 33°C (91°F) 25°C (77°F) 191 mm (7.5 in)
Baton Rouge 33°C (91°F) 23°C (73°F) 173 mm (6.8 in)
Houma 32°C (90°F) 24°C (75°F) 219 mm (8.6 in)
Metairie 33°C (91°F) 25°C (77°F) 182 mm (7.2 in)
Slidell 32°C (90°F) 23°C (73°F) 172 mm (6.8 in)
Hammond 34°C (93°F) 23°C (73°F) 158 mm (6.2 in)

Louisiana weather in July: frequently asked questions

What is the weather like in Louisiana, the United States of America in July?

Louisiana, the United States of America typically experiences less favorable weather in July, part of the summer season. Daytime highs in New Orleans average around 33°C (91°F), and temperatures drop to about 25°C (77°F) at night.

What is the average temperature in Louisiana, the United States of America in July?

Average temperatures in Louisiana, the United States of America during July range from a nighttime low near 25°C (77°F) to a daytime high around 33°C (91°F) in New Orleans.

Does Louisiana, the United States of America get a lot of rain in July?

Rainfall in Louisiana, the United States of America peaks during July. New Orleans averages roughly 191 mm (7.5 in), so frequent and sometimes heavy showers are the norm.

Is July a Good Time to Visit Louisiana, the United States of America?

In our view, July might not be the best time to travel to Louisiana, the United States of America with often mixed weather in New Orleans.

Generally speaking, the best visiting conditions can be found in October and November offering mostly excellent weather in New Orleans. On the other hand, the weather in July and August tend to be less favorable.

Interested in more climate information?

We have much more information about the climate in Louisiana.

Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.