Slidell weather in March: Slidell, Louisiana: normal highs, lows, rain and records for March
Slidell in March has a normal high of 72°F and a normal low of 50°F, a daily mean of 61°F, rising from 69°F on the 1st to 75°F by the 31st. Measurable precipitation falls on 8 days in a normal March, 4.94 inches in all. (NOAA 1991-2020 normals)
In metric: a normal high of 22°C and low of 10°C, 125 mm of precipitation in March.
- NOAA stationSlidell Airport
- Station IDUSW00053865
- Location30.34°N 89.82°W
- Elevation27 ft (8 m)
- Population28,440
- Jan 62° 41°
- Feb 66° 44°
- Mar 72° 50°
- Apr 78° 56°
- May 85° 64°
- Jun 90° 71°
- Jul 91° 73°
- Aug 91° 73°
- Sep 88° 69°
- Oct 81° 57°
- Nov 71° 47°
- Dec 64° 43°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
How warm is Slidell in March?
The normal high is 72°F and the normal low 50°F, for a daily mean of 60.9°F. March is 5.7°F warmer than February and 6.1°F cooler than April. March is the 8th warmest month of the year in Slidell and the 7th 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 57°F and 65°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 30%).
| Day | High | Low | Chance of 0.01 in | Chance of 0.10 in |
|---|---|---|---|---|
| March 1 | 69°F | 47°F | 30% | 20% |
| March 8 | 70°F | 49°F | 28% | 19% |
| March 15 | 72°F | 50°F | 27% | 18% |
| March 22 | 73°F | 51°F | 26% | 18% |
| March 31 | 75°F | 53°F | 27% | 18% |
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 | 47°F | 30% | 20% | 11 h 30 min |
| March 2 | 69°F | 48°F | 30% | 20% | 11 h 30 min |
| March 3 | 69°F | 48°F | 30% | 20% | 11 h 30 min |
| March 4 | 70°F | 48°F | 29% | 19% | 11 h 40 min |
| March 5 | 70°F | 48°F | 29% | 19% | 11 h 40 min |
| March 6 | 70°F | 48°F | 29% | 19% | 11 h 40 min |
| March 7 | 70°F | 48°F | 29% | 19% | 11 h 40 min |
| March 8 | 70°F | 49°F | 28% | 19% | 11 h 40 min |
| March 9 | 71°F | 49°F | 28% | 19% | 11 h 50 min |
| March 10 | 71°F | 49°F | 28% | 19% | 11 h 50 min |
| March 11 | 71°F | 49°F | 28% | 19% | 11 h 50 min |
| March 12 | 71°F | 49°F | 28% | 19% | 11 h 50 min |
| March 13 | 71°F | 49°F | 28% | 19% | 11 h 50 min |
| March 14 | 71°F | 50°F | 27% | 18% | 11 h 50 min |
| March 15 | 72°F | 50°F | 27% | 18% | 12 h |
| March 16 | 72°F | 50°F | 27% | 18% | 12 h |
| March 17 | 72°F | 50°F | 27% | 18% | 12 h |
| March 18 | 72°F | 50°F | 27% | 18% | 12 h |
| March 19 | 72°F | 51°F | 27% | 18% | 12 h |
| March 20 | 73°F | 51°F | 27% | 18% | 12 h 10 min |
| March 21 | 73°F | 51°F | 26% | 18% | 12 h 10 min |
| March 22 | 73°F | 51°F | 26% | 18% | 12 h 10 min |
| March 23 | 73°F | 51°F | 26% | 18% | 12 h 10 min |
| March 24 | 73°F | 51°F | 26% | 17% | 12 h 10 min |
| March 25 | 74°F | 52°F | 26% | 17% | 12 h 10 min |
| March 26 | 74°F | 52°F | 26% | 17% | 12 h 20 min |
| March 27 | 74°F | 52°F | 27% | 17% | 12 h 20 min |
| March 28 | 74°F | 52°F | 27% | 17% | 12 h 20 min |
| March 29 | 74°F | 52°F | 27% | 18% | 12 h 20 min |
| March 30 | 75°F | 53°F | 27% | 18% | 12 h 20 min |
| March 31 | 75°F | 53°F | 27% | 18% | 12 h 30 min |
- Normal high
- 72°FMarch average
- Normal low
- 50°FMarch average
- Precipitation
- 4.94 inmonth total
- Days with precipitation
- 80.01 inch or more
- Nights at 32°F or colder
- 2
- Daylight
- 11 h 30 min to 12 h 30 minMarch 1 to March 31
- Days at 70°F or more
- 21
- Days at 80°F or more
- 6
- Sunshine
- 76%of clear-sky sunlight (NASA)
Source: NOAA NCEI 1991-2020 daily normals, station USW00053865; monthly normals. Daylight is computed from the place's latitude with NOAA's solar equations.
Does it rain in Slidell in March?
On a given March day the chance of 0.01 inch or more is 28% on average, highest around March 1 (30%). In all, 4.94 in falls on 8 days of a normal March, 2 of them with an inch or more.
In a normal March in Slidell, 2 nights fall to freezing.
Source: NOAA NCEI 1991-2020 daily and monthly normals, station USW00053865.
What are the records for March in Slidell?
The warmest March temperature on this station's record (since 1994) is 87°F, on March 28, 2020; the coldest is 22°F, on March 9, 1996. The wettest March brought 12.08 in (2001).
The March mean against the 1991-2020 normal of 60.9°F: 2021 64.8°F (+3.9), 2022 61.4°F (+0.5), 2023 65.3°F (+4.4), 2024 63.6°F (+2.8), 2025 64.3°F (+3.4), 2026 65.3°F (+4.4). 6 of 6 ran warmer than normal.
| March | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 64.8°F | +3.9°F | 8.02 in |
| 2022 | 61.4°F | +0.5°F | 2.18 in |
| 2023 | 65.3°F | +4.4°F | 2.70 in |
| 2024 | 63.6°F | +2.8°F | 4.99 in |
| 2025 | 64.3°F | +3.4°F | 4.30 in |
| 2026 | 65.3°F | +4.4°F | 3.65 in |
Source: records: ACIS, station USW00053865; recent months: ACIS, station USW00053865. Records and recent months use complete months only.
How does March in Slidell 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; Slidell's is 72°F.
Source: NOAA NCEI 1991-2020 monthly normals for every station in the state.