New Orleans Weather in August
August in New Orleans typically sees daytime highs of 33°C (91°F) and nighttime lows of 25°C (77°F). As the wettest month of the year, expect more rainfall than other months.
Rainfall in New Orleans in August
This month experiences the most intense rain of the year, with heavy showers. Be prepared with a poncho to stay dry. Historically, August sees about 19 days of rain, with a monthly average of 219 mm (8.6 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in New Orleans in August
Daytime highs in New Orleans in August reach 33°C (91°F), with nights around 25°C (77°F). Mornings and evenings are often more comfortable than the peak afternoon hours. With overnight lows of 25°C (77°F), evenings and nights remain warm. Light clothing and an open window or fan can help you sleep comfortably. Keep in mind that temperatures can exceed these averages. Dress for the heat and stay hydrated, especially during peak sun hours.
Sunshine in New Orleans in August
The city usually sees around 251 hours of sunlight, indicating many sunny days — a great month for sightseeing.
Wind Speed in New Orleans in August
August has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.
Average water temperature in August
The water temperature is 28°C (82°F), which most people find very comfortable. A good month for swimming and water sports.If you're looking for dry conditions and comfortable temperatures, August may not be the ideal month to visit New Orleans. Our weather planner can help you explore destinations with more pleasant weather conditions.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our New Orleans's climate page.
New Orleans Temperature in August
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in New Orleans typically stay consistent throughout August, with daily highs averaging around 33°C (91°F). Nights are warm, with lows around 24°C (75°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for New Orleans in August
Browse day-by-day weather records for New Orleans spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
New Orleans historical weather extremes in August
Based on 19 years of weather observations (2006-2025), these are the most extreme conditions recorded in New Orleans.
- The warmest day in August was on August 27, 2023, with a maximum of 40°C (104°F).
- On August 19, 2012, New Orleans saw its coldest August day with temperatures maxing out at 25°C (77°F).
- Nighttime temperatures dropped to 21°C (70°F) on August 28, 2015, marking the coldest August night on record.
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
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What to Wear in New Orleans in August
Warm but pleasant conditions in New Orleans in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. It's going to pour! Pack a good poncho and prepare for very wet conditions. The water temperature sits at about 28°C (82°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in New Orleans in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our New Orleans's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full New Orleans climate overview or explore weather in the United States of America.