Weather in New Orleans in August 2025
- August is usually the hottest month of the year in New Orleans;
- August is usually the wettest month of the year in New Orleans;
Average weather
Average temperature in New Orleans in August
The expected average maximum temperature in August is +36°C with a maximum of +39°C and a minimum of +25°C.
The average maximum temperature goes down 21% by the end of the month, compared with the beginning of the month, from +36°C to +33°C.
Is New Orleans warm or cold in August?
New Orleans is typically hot in August.
Maximum temperatures go up compared to the previous month from +31°C to +31°C. The minimum temperature also goes up from +25°C to +25°C.
Make sure that you pack your summer linen and swimming costumes; it’s probably going to be hot.
August is the hottest month in New Orleans, here is the comparison with other months:
Water temperature in New Orleans in August
Water in New Orleans in August is Very warm. It varies from +28°C to +32°C, with an average of +30°C. This is almost similar to the air temperature, which averages +31°C.
The water temperature in August is one of the warmest of the entire year:
Can you swim in New Orleans in August?
Climate in New Orleans in August
| July | August | September | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +31°C | +31°C | +29°C | ||||
| Min. temperature | ||||||
| +21°C | +19°C | +13°C | ||||
| Max. temperature | ||||||
| +37°C | +39°C | +36°C | ||||
| Rainfall | ||||||
| 244 mm | 198 mm | 139 mm | ||||
| Wind | ||||||
| 1 m/s | 1 m/s | 2 m/s | ||||
| Avg. water temperature | ||||||
| +29°C | +30°C | +28°C | ||||
| Humidity | ||||||
| 80% | 80% | 79% | ||||
| Air pressure | ||||||
| 1015 HPa | 1014 HPa | 1014 HPa | ||||
| Sunny days | ||||||
| 2 | 3 | 6 | ||||
| Cloudy days | ||||||
| 2 | 2 | 3 | ||||
| Rainy days | ||||||
| 26 | 26 | 20 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
August weather is still as ok as in July. The temperature levels stay the same in the area of +31°C for average maximum temperature during the day. As August arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 244 mm to 198 mm. Humidity levels don’t change as the month goes on, averaging around 80%. The average wind speed doesn’t change much during August, staying around 1 m/s. The good news is there are likely to be more sunny days in August, from 2 to 3.
September brings much the same weather, it remains ok.
Wind
The average wind speed is 2 m/s getting up to 4 m/s which is a light breeze; barely moving the tree leaves.
The average wind speed in New Orleans is gradually increasing during August, going from 1 m/s to 1 m/s over the course of the month.
Rain
How was the weather last August in New Orleans?
Climate Change over Years
The climate in New Orleans in August has not changed much over the last 43 years.
The average temperature was the lowest in 1983 (+23°C) and the highest in 2023 (+27°C). The driest year was 2000 with only 955 mm of rainfall, and the wettest year was 2022 with 58691 mm.
FAQ
Is August a good time to visit New Orleans?
Can you sunbathe in New Orleans in August?
Can you swim in New Orleans in August?
Is New Orleans rainy in August?
Is it sunny in New Orleans in August?
Other cities in USA
Monthly weather in New Orleans
Source of the data
For this page, we’ve looked at the typical weather in New Orleans, based on historical hourly weather data from January 1, 1979, to December 31, 2022.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.