July weather forecast
New Orleans, LA

Share
Commuter buses on the street in New Orleans, Louisiana
Commuter buses on the street in New Orleans, Louisiana

Weather in July

The summer peaks in the city of New Orleans during the hot and humid month of July. Showers provide an intermittent relief from the city's heat, with rainfall reaching its yearly peak at 1.57" (40mm). July is a unique month, characterized by the city bracing itself against high temperature and rainfall. As we move into August, the weather condition remains fairly constant. The month of July in New Orleans, in essence, encapsulates the full force of the summer season.

Temperature

In New Orleans, the months of July and August are known for the peak temperatures, reaching an average high of 89.4°F (31.9°C).

Heat index

The heat index value for July is estimated at a blistering 105.8°F (41°C). Extra precautions are necessary, heat cramps and heat exhaustion are plausible outcomes. Extended activity could lead to heatstroke.
Metrics for the heat index primarily focus on shaded spots and light wind conditions. The heat index has the possibility to be enhanced by 15 Fahrenheit (8 Celsius) degrees when there is direct sun exposure.
Note: The heat index, also known as 'feels like' or 'real feel', integrates the air's temperature and its humidity to showcase the felt temperature by people. The impact of temperature is individual, as people's perception of weather may change based on their body mass, height, and physical activity. Always consider that direct sunlight exposure might heighten the heat's effects, pushing the heat index up by 15 Fahrenheit (8 Celsius) degrees. Heat index values are essentially critical for children. Children frequently underestimate the necessity to rest and hydrate. Thirst is a late sign of dehydration - thus, it is vital to stay hydrated, particularly during lengthy physical exercises.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. Elevated relative humidity disrupts typical body cooling by reducing the evaporation rate, consequently decreasing the body's cooling rate and enhancing the feeling of heat. As body temperatures escalate without effective heat release, one might face dehydration threats.

Humidity

In New Orleans, the average relative humidity in July is 73%.

Rainfall

July is the month with the most rainfall. Rain falls for 15.5 days and accumulates 1.57" (40mm) of precipitation.

Snowfall

February through December are months without snowfall.

Daylight

In July, the average length of the day is 13h and 51min.
On the first day of the month, sunrise is at 6:03 am and sunset at 8:05 pm. On the last day of July, sunrise is at 6:19 am and sunset at 7:54 pm CDT.

Sunshine

The average sunshine in July in New Orleans is 10.6h.

UV index

May through September, with an average maximum UV index of 7, are months with the highest UV index. A UV Index value of 6 to 7 symbolizes a high health vulnerability from unprotected exposure to Sun's UV rays for average individuals.
Note: The daily high UV index of 7 during July translates into the following recommendations:
Adopt measures and apply sun safety strategies. Shielding from skin and eye damage is necessary. Attempt to stay under shade and limit exposure to the Sun between 10 a.m. and 4 p.m., when UV radiation is at its peak. Remember, devices such as parasols or canopies might not provide complete sun protection. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.

Frequently asked questions

What time of the year is the hottest?

During July and August, New Orleans registers its highest temperatures, averaging a high of 89.4°F (31.9°C).

How hot is July?

In July, in New Orleans, the average high-temperature is 89.4°F (31.9°C), and the average low-temperature is 79.3°F (26.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which takes the relative humidity and factors it into the air temperature reading, is estimated at 105.8°F (41°C).

What is the average humidity in July?

The average relative humidity in July is 73%.

What is the wettest month?

July is the month with the most rainfall. Rain falls for 15.5 days and accumulates 1.57" (40mm) of precipitation.

How many days does it rain in July?

In New Orleans, in July, during 15.5 rainfall days, 1.57" (40mm) of precipitation is typically accumulated.

When it does not snow?

In New Orleans, snow does not fall in February through December.

What is the average length of the day in July?

In July, the average day length is 13h and 51min.

What time are sunrise and sunset in July?

On the first day of July, sunrise is at 6:03 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 6:19 am and sunset at 7:54 pm CDT.

How many hours of sunshine does New Orleans have in July?

In July, the average sunshine duration in New Orleans is 10.6h.

What is the month with the highest UV index?

The months with the highest UV index are May through September, with an average maximum UV index of 7.

What is the UV index reading in July?

The average daily maximum UV index in July is 7. A UV Index value of 6 to 7 symbolizes a high health risk from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in July
New Orleans, LA

Average temperature in July - New Orleans, LA
  • Average high temperature in July: 89.4°F

The warmest months (with the highest average high temperature) are July and August (89.4°F).
The month with the lowest average high temperature is January (60.4°F).

  • Average low temperature in July: 79.3°F

The month with the highest average low temperature is August (79.5°F).
The coldest month (with the lowest average low temperature) is January (48.6°F).

Average pressure in July
New Orleans, LA

Average pressure in July - New Orleans, LA
  • Average pressure in July: 30.01"Hg

The month with the highest atmospheric pressure is January (30.16"Hg).
The months with the lowest atmospheric pressure are June, August and September (29.97"Hg).

Average wind speed in July
New Orleans, LA

Average wind speed in July - New Orleans, LA
  • Average wind speed in July: 6.6mph

The windiest months (with the highest average wind speed) are February and April (9.8mph).
The calmest month (with the lowest average wind speed) is July (6.6mph).

Average humidity in July
New Orleans, LA

Average humidity in July - New Orleans, LA
  • Average humidity in July: 73%

The months with the highest relative humidity are February and December (77%).
The month with the lowest relative humidity is October (71%).

Average rainfall in July
New Orleans, LA

Average rainfall in July - New Orleans, LA
  • Average rainfall in July: 1.57"

The wettest month (with the highest rainfall) is July (1.57").
The driest months (with the least rainfall) are March and April (0.43").

Average rainfall days in July
New Orleans, LA

Average rainfall days in July - New Orleans, LA
  • Average rainfall days in July: 15.5 days

The month with the highest number of rainy days is August (17.2 days).
The month with the least rainy days is November (4.7 days).

Average snowfall days in July
New Orleans, LA

Average snowfall days in July - New Orleans, LA
  • Average snowfall days in July: 0 days

The month with the highest number of snowfall days is January (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in July /
Average sunshine in July
New Orleans, LA

Average daylight in July / Average sunshine in July - New Orleans, LA
  • Average daylight in July: 13h and 5min

The month with the longest days is June (Average daylight: 14h and 0min).
The month with the shortest days is December (Average daylight: 10h and 18min).

  • Average sunshine in July: 10h and 4min

The month with the most sunshine is June (Average sunshine: 11h and 0min).
The month with the least sunshine is December (Average sunshine: 5h and 6min).

Average sunshine days in July
New Orleans, LA

Average sunshine days in July - New Orleans, LA
  • Average sunshine days in July: 10.1 days

The month with the most sunshine days is November (23.5 days).
The month with the least sunshine days is August (8.9 days).

Average UV index in July
New Orleans, LA

Average UV index in July - New Orleans, LA
  • Average UV index in July: 7

The months with the highest UV index are May, June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 3).

Average cloud cover in July
New Orleans, LA

Average cloud cover in July - New Orleans, LA
  • Average cloud cover in July: 28

The month with the most cloud cover is December (Cloud cover 44).
The month with the least cloud cover is October (Cloud cover 24).

Average visibility in July
New Orleans, LA

Average visibility in July - New Orleans, LA
  • Average visibility in July: 6mi

The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).

New Orleans, Louisiana, USA

Weather forecast for your location

1. Click Locate me button
2. Allow the app to use your location