New Orleans weather in August: New Orleans, Louisiana: normal highs, lows, rain and records for August
New Orleans in August has a normal high of 91°F and a normal low of 77°F, a daily mean of 84°F, holding near 91°F all month. Measurable precipitation falls on 14 days in a normal August, 6.91 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 33°C and low of 25°C, 176 mm of precipitation in August.
- NOAA stationNew Orleans Airport
- Station IDUSW00012916
- Location29.99°N 90.25°W
- Elevation4 ft (1 m)
- From the center19 miles
- Population362,701
- Jan 63° 46°
- Feb 66° 50°
- Mar 72° 55°
- Apr 79° 62°
- May 85° 69°
- Jun 90° 75°
- Jul 91° 77°
- Aug 91° 77°
- Sep 88° 74°
- Oct 81° 64°
- Nov 71° 54°
- Dec 65° 48°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is New Orleans in August?
The normal high is 91°F and the normal low 77°F, for a daily mean of 84.0°F. August is 0.1°F warmer than July and 3.2°F warmer than September. August is the warmest month of the year in New Orleans and the 2nd wettest. Across the month the normal high falls 2°F, from 92°F on August 1 to 90°F on August 31. From one year to the next August's mean temperature typically moves about 1.6°F either way (NOAA's standard deviation), so roughly two Augusts in three average between 82°F and 86°F.
Bars above: each day's normal high to low. Columns below: the chance of 0.01 inch or more of precipitation that day, on a scale of 0 to 100% (highest 45%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| August 1 | 92°F | 77°F | 45% | 30% |
| August 8 | 92°F | 77°F | 45% | 31% |
| August 15 | 92°F | 77°F | 44% | 30% |
| August 22 | 91°F | 77°F | 42% | 29% |
| August 31 | 90°F | 76°F | 40% | 28% |
Every day of August: normal high, low and chance of precipitation (warmest afternoon August 1, coldest night August 31)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| August 1 | 92°F | 77°F | 45% | 30% | 13 h 40 min |
| August 2 | 92°F | 77°F | 45% | 30% | 13 h 30 min |
| August 3 | 92°F | 77°F | 45% | 30% | 13 h 30 min |
| August 4 | 92°F | 77°F | 45% | 31% | 13 h 30 min |
| August 5 | 92°F | 77°F | 45% | 31% | 13 h 30 min |
| August 6 | 92°F | 77°F | 45% | 31% | 13 h 30 min |
| August 7 | 92°F | 77°F | 45% | 31% | 13 h 30 min |
| August 8 | 92°F | 77°F | 45% | 31% | 13 h 30 min |
| August 9 | 92°F | 77°F | 45% | 31% | 13 h 20 min |
| August 10 | 92°F | 77°F | 45% | 31% | 13 h 20 min |
| August 11 | 92°F | 77°F | 44% | 31% | 13 h 20 min |
| August 12 | 92°F | 77°F | 44% | 30% | 13 h 20 min |
| August 13 | 92°F | 77°F | 44% | 30% | 13 h 20 min |
| August 14 | 92°F | 77°F | 44% | 30% | 13 h 20 min |
| August 15 | 92°F | 77°F | 44% | 30% | 13 h 20 min |
| August 16 | 92°F | 77°F | 44% | 30% | 13 h 10 min |
| August 17 | 91°F | 77°F | 43% | 30% | 13 h 10 min |
| August 18 | 91°F | 77°F | 43% | 30% | 13 h 10 min |
| August 19 | 91°F | 77°F | 43% | 30% | 13 h 10 min |
| August 20 | 91°F | 77°F | 43% | 30% | 13 h 10 min |
| August 21 | 91°F | 77°F | 43% | 30% | 13 h 10 min |
| August 22 | 91°F | 77°F | 42% | 29% | 13 h |
| August 23 | 91°F | 77°F | 42% | 29% | 13 h |
| August 24 | 91°F | 76°F | 42% | 29% | 13 h |
| August 25 | 91°F | 76°F | 42% | 29% | 13 h |
| August 26 | 91°F | 76°F | 41% | 29% | 13 h |
| August 27 | 91°F | 76°F | 41% | 29% | 13 h |
| August 28 | 91°F | 76°F | 41% | 29% | 12 h 50 min |
| August 29 | 91°F | 76°F | 40% | 28% | 12 h 50 min |
| August 30 | 90°F | 76°F | 40% | 28% | 12 h 50 min |
| August 31 | 90°F | 76°F | 40% | 28% | 12 h 50 min |
- Normal high
- 91°FAugust average
- Normal low
- 77°FAugust average
- Precipitation
- 6.91 inmonth total
- Days with precipitation
- 140.01 inch or more
- Days at 90°F or more
- 23
- Daylight
- 13 h 40 min to 12 h 50 minAugust 1 to August 31
- Days at 70°F or more
- 31
- Days at 80°F or more
- 31
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00012916; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in New Orleans in August?
On a given August day the chance of 0.01 inch or more is 43% on average, highest around August 1 (45%). In all, 6.91 in falls on 14 days of a normal August, 2 of them with an inch or more.
In a normal August in New Orleans, 23 days reach 90°F.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012916.
How humid and windy is New Orleans in August?
At 3 p.m. the normal temperature is 87°F with 60% relative humidity and a dew point of 71°F; at 6 a.m. it is 77°F with 88% humidity. The wind averages 6.6 mph, most often from the east in the afternoon. A dew point of 65°F or more feels muggy to most people.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 77°F | 73°F | 88% | 4.9 mph | 33% |
| 9 a.m. | 84°F | 74°F | 72% | 8.3 mph | – |
| noon | 87°F | 73°F | 62% | 9.1 mph | 21% |
| 3 p.m. | 87°F | 71°F | 60% | 8.5 mph | – |
| 6 p.m. | 84°F | 72°F | 68% | 7.8 mph | 18% |
| 9 p.m. | 80°F | 73°F | 79% | 5.6 mph | 38% |
Source: NOAA NCEI 1991-2020 hourly normals, station USW00012916. Hourly normals exist only for NOAA's first-order stations; a dash where NOAA publishes no value for that hour (the sky at some hours).
What are the records for August in New Orleans?
The warmest August temperature on New Orleans's official record (since 1946) is 105°F, on August 27, 2023; the coldest is 60°F, on August 30, 1968. The wettest August brought 18.61 in (2012).
The August mean against the 1991-2020 normal of 84.0°F: 2021 85.3°F (+1.3), 2022 82.7°F (−1.3), 2023 89.0°F (+5.0), 2024 86.0°F (+2.0), 2025 85.4°F (+1.4), 2026 85.2°F (+1.2). 5 of 6 ran warmer than normal.
| August | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 85.3°F | +1.3°F | 9.61 in |
| 2022 | 82.7°F | −1.3°F | 7.40 in |
| 2023 | 89.0°F | +5.0°F | 2.97 in |
| 2024 | 86.0°F | +2.0°F | 2.57 in |
| 2025 | 85.4°F | +1.4°F | 4.85 in |
| 2026 | 85.2°F | +1.2°F | 4.68 in |
Source: records: ACIS, NWS threaded record MSYthr; recent months: ACIS, station USW00012916. Records and recent months use complete months only.
How does August in New Orleans compare across Louisiana?
Across the 65 places PlainClimate covers in Louisiana, August normal highs run from 89°F in Boothville to 96°F in Natchitoches; New Orleans's is 91°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.
Other months and places
- New Orleans in July91°F by day, 77°F at night
- New Orleans in September88°F by day, 74°F at night
- New Orleans through the yearEvery month, frost dates, records and recent years
- Louisiana in AugustThe statewide normal and the warmest and coolest places
- Natchitoches: Louisiana's warmest Augustnormal high 96°F