July weather forecast
New Orleans, LA

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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

New Orleans experiences its warmest period in July and August, averaging a high-temperature of 89.4°F (31.9°C).

Heat index

July's heat index is appraised at an extremely hot 105.8°F (41°C). Implement more safety precautions, heat cramps and heat exhaustion may happen. Persistent activity could induce heatstroke.
When assessing, remember that heat index measurements are for light winds and shaded spots. With exposure to direct sunshine, the heat index could climb by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'felt air temperature' or 'real feel', takes into account both air temperature and humidity to illustrate what people actually feel. A person's impression of weather can be affected by numerous aspects, among them metabolic variations, pregnancy, and activity levels. It is noteworthy that being in direct sunlight can enhance the weather's impact, raising the heat index by as much as 15 Fahrenheit (8 Celsius) degrees. Heat index values are especially vital to children. Children often overlook the need for breaks and fluid intake. Thirst is a late-stage sign of dehydration - hence, it is necessary to stay hydrated, especially during extended periods of physical activities.
The human body normally cools itself by perspiration, as evaporated sweat carries heat away from the body. A surge in relative humidity can disrupt the body's normal cooling function by slowing evaporation, hence reducing the rate at which the body cools and intensifying the perception of heat. When heat uptake goes beyond the body's cooling mechanisms, there's a surge in body temperature, posing health risks.

Humidity

The average relative humidity in July in New Orleans, Louisiana, is 73%.

Rainfall

The month with the most rainfall is July, when the rain falls for 15.5 days and typically aggregates up to 1.57" (40mm) of precipitation.

Snowfall

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

Daylight

In New Orleans, the average length of the day in July 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, in New Orleans, sunrise is at 6:19 am and sunset at 7:54 pm CDT.

Sunshine

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

UV index

The months with the highest UV index in New Orleans are May through September, with an average maximum UV index of 7. A UV Index reading of 6 to 7 represents a high health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: In July, the maximum UV index of 7 transforms into these recommendations:
Inhibit overexposure. Warding off sun damage is of utmost importance. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays.
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Frequently asked questions

What month is the hottest in New Orleans?

In New Orleans, the warmest months are July and August, registering an average high-temperature of 89.4°F (31.9°C).

How hot is it in New Orleans in July?

The high-temperature, in July, in New Orleans, records 89.4°F (31.9°C), while the low-temperature is 79.3°F (26.3°C). In July, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which factors the actual air temperature with the relative humidity, is appraised at 105.8°F (41°C).

What is the average humidity in July in New Orleans?

The average relative humidity in July in New Orleans is 73%.

What is the rainiest month in New Orleans?

The month with the most rainfall in New Orleans is July, when the rain falls for 15.5 days and typically aggregates up to 1.57" (40mm) of precipitation.

How much does it rain in New Orleans in July?

In July, the rain falls for 15.5 days. Throughout July, 1.57" (40mm) of precipitation is accumulated.

When it does not snow in New Orleans?

February through December are months without snowfall in New Orleans.

What is the average length of the day in July in New Orleans?

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

When are sunrise and sunset in July in New Orleans?

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

How long on average sun shines in July in New Orleans?

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

What are the months with the highest UV index in New Orleans?

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

What is the UV index reading in July in New Orleans?

In July, the average daily maximum UV index in New Orleans, Louisiana, is 7. A UV Index value of 6 to 7 symbolizes a high health threat from unsafe exposure to Sun's UV rays.
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).

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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).

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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).

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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%).

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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").

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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).

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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).

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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).

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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).

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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).

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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).

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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).

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New Orleans, Louisiana, USA

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