New Orleans weather in March: New Orleans, Louisiana: normal highs, lows, rain and records for March
New Orleans in March has a normal high of 72°F and a normal low of 55°F, a daily mean of 64°F, rising from 69°F on the 1st to 75°F by the 31st. Measurable precipitation falls on 8 days in a normal March, 4.36 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 22°C and low of 13°C, 111 mm of precipitation in March.
- 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 March?
The normal high is 72°F and the normal low 55°F, for a daily mean of 63.8°F. March is 5.8°F warmer than February and 6.3°F cooler than April. March is the 8th warmest month of the year in New Orleans and the 9th wettest. Across the month the normal high rises 6°F, from 69°F on March 1 to 75°F on March 31. From one year to the next March's mean temperature typically moves about 3.6°F either way (NOAA's standard deviation), so roughly two Marchs in three average between 60°F and 67°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 29%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 69°F | 53°F | 29% | 18% |
| March 8 | 71°F | 54°F | 28% | 17% |
| March 15 | 72°F | 55°F | 26% | 17% |
| March 22 | 74°F | 56°F | 25% | 16% |
| March 31 | 75°F | 58°F | 25% | 17% |
Every day of March: normal high, low and chance of precipitation (warmest afternoon March 31, coldest night March 1)
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in | Daylight |
|---|---|---|---|---|---|
| March 1 | 69°F | 53°F | 29% | 18% | 11 h 30 min |
| March 2 | 70°F | 53°F | 29% | 18% | 11 h 30 min |
| March 3 | 70°F | 53°F | 29% | 18% | 11 h 30 min |
| March 4 | 70°F | 53°F | 28% | 18% | 11 h 40 min |
| March 5 | 70°F | 53°F | 28% | 17% | 11 h 40 min |
| March 6 | 70°F | 54°F | 28% | 17% | 11 h 40 min |
| March 7 | 71°F | 54°F | 28% | 17% | 11 h 40 min |
| March 8 | 71°F | 54°F | 28% | 17% | 11 h 40 min |
| March 9 | 71°F | 54°F | 27% | 17% | 11 h 50 min |
| March 10 | 71°F | 54°F | 27% | 17% | 11 h 50 min |
| March 11 | 71°F | 54°F | 27% | 17% | 11 h 50 min |
| March 12 | 72°F | 55°F | 27% | 17% | 11 h 50 min |
| March 13 | 72°F | 55°F | 27% | 17% | 11 h 50 min |
| March 14 | 72°F | 55°F | 27% | 17% | 11 h 50 min |
| March 15 | 72°F | 55°F | 26% | 17% | 12 h |
| March 16 | 72°F | 55°F | 26% | 17% | 12 h |
| March 17 | 73°F | 55°F | 26% | 17% | 12 h |
| March 18 | 73°F | 56°F | 26% | 17% | 12 h |
| March 19 | 73°F | 56°F | 26% | 16% | 12 h |
| March 20 | 73°F | 56°F | 25% | 16% | 12 h 10 min |
| March 21 | 73°F | 56°F | 25% | 16% | 12 h 10 min |
| March 22 | 74°F | 56°F | 25% | 16% | 12 h 10 min |
| March 23 | 74°F | 57°F | 25% | 16% | 12 h 10 min |
| March 24 | 74°F | 57°F | 25% | 16% | 12 h 10 min |
| March 25 | 74°F | 57°F | 25% | 16% | 12 h 10 min |
| March 26 | 74°F | 57°F | 25% | 16% | 12 h 20 min |
| March 27 | 75°F | 57°F | 25% | 16% | 12 h 20 min |
| March 28 | 75°F | 58°F | 25% | 16% | 12 h 20 min |
| March 29 | 75°F | 58°F | 25% | 17% | 12 h 20 min |
| March 30 | 75°F | 58°F | 25% | 17% | 12 h 20 min |
| March 31 | 75°F | 58°F | 25% | 17% | 12 h 30 min |
- Normal high
- 72°FMarch average
- Normal low
- 55°FMarch average
- Precipitation
- 4.36 inmonth total
- Days with precipitation
- 80.01 inch or more
- Daylight
- 11 h 30 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 22
- Days at 80°F or more
- 7
- Sunshine
- 79%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 March?
On a given March day the chance of 0.01 inch or more is 26% on average, highest around March 1 (29%). In all, 4.36 in falls on 8 days of a normal March, 2 of them with an inch or more.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00012916.
How humid and windy is New Orleans in March?
At 3 p.m. the normal temperature is 74°F with 55% relative humidity and a dew point of 56°F; at 6 a.m. it is 61°F with 85% humidity. The wind averages 9.3 mph, most often from the south-southeast in the afternoon.
| Time | Temperature | Dew point | Humidity | Wind | Clear or few clouds |
|---|---|---|---|---|---|
| 6 a.m. | 61°F | 56°F | 85% | 6.9 mph | 28% |
| 9 a.m. | 68°F | 58°F | 70% | 10.7 mph | 31% |
| noon | 72°F | 57°F | 58% | 11.8 mph | 27% |
| 3 p.m. | 74°F | 56°F | 55% | 11.9 mph | 31% |
| 6 p.m. | 70°F | 56°F | 62% | 10.0 mph | 30% |
| 9 p.m. | 65°F | 58°F | 76% | 8.6 mph | 51% |
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 March in New Orleans?
The warmest March temperature on New Orleans's official record (since 1946) is 89°F, on March 18, 1982; the coldest is 25°F, on March 3, 1980. The wettest March brought 19.09 in (1948).
The March mean against the 1991-2020 normal of 63.8°F: 2021 66.7°F (+2.9), 2022 63.5°F (−0.3), 2023 67.6°F (+3.8), 2024 65.7°F (+1.9), 2025 66.3°F (+2.5), 2026 68.1°F (+4.3). 5 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 66.7°F | +2.9°F | 9.78 in |
| 2022 | 63.5°F | −0.3°F | 2.77 in |
| 2023 | 67.6°F | +3.8°F | 2.15 in |
| 2024 | 65.7°F | +1.9°F | 8.69 in |
| 2025 | 66.3°F | +2.5°F | 4.25 in |
| 2026 | 68.1°F | +4.3°F | 3.20 in |
Source: records: ACIS, NWS threaded record MSYthr; recent months: ACIS, station USW00012916. Records and recent months use complete months only.
How does March in New Orleans compare across Louisiana?
Across the 65 places PlainClimate covers in Louisiana, March normal highs run from 66°F in Lake Providence to 74°F in Thibodaux; New Orleans's is 72°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.