Laplace weather in March

In March, Laplace sees average daytime highs of 70°F and overnight lows near 56°F, with 4.5 in of rain across 9.5 wet days and about 11.8 hours of daylight. It is the 8th-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 67°F in the first days to 73°F by the end. The sky is clear or mostly clear about 36% of the time in March, and the air most often feels dry.

Daylight stretches from about 11 h 18 min at the start of March to 12 h 12 min by month's end. Set against the rest of the year, March is Laplace's 6th-clearest and 3rd-windiest month. For the whole year in context, see Laplace's year-round climate.

Daytime high
70°
8th warmest
Overnight low
56°
5th coldest
Rainfall
4.5 in
9.5 wet days
Daylight
11 h 48 min
6:18 AM – 6:05 PM
Cloud cover
56%
6th clearest
Wind
9 mph
3rd windiest
Solar energy
4.64 kWh/m²
Travel score
6.7
out of 10

Laplace is unincorporated suburban community and census-designated place in St. John the Baptist Parish, Louisiana, United States.

Density
523/km²
people per km²

Air quality: WHO Ambient Air Quality Database. Density & description: Wikidata (CC0), GeoNames.

Temperature in March

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 67°F in the first days to 73°F by the end.

A typical March day in Laplace reaches about 70°F in the afternoon and slips back to 56°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 60°F and 78°F. Set against its neighbours, March runs about 5°F warmer than February and about 6°F cooler than April.

40°50°60°70°80°151015202531
Avg high (°F)Avg low (°F)
16753
26753
36753
46753
56853
66853
76854
86854
96854
106954
116955
126955
136955
146955
157056
167056
177056
187156
197156
207157
217157
227157
237257
247258
257258
267258
277358
287358
297358
307359
317359

How March really feels in Laplace

Once humidity and wind are folded in, March averages 0 days that feel above 90°F and 0 that feel at or below 32°F — the comfort signal a plain temperature reading hides.

Days feeling ≥ 90°F
0
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

March sits comfortably in between — no days that feel dangerously hot or drop to a hard freeze once humidity and wind are folded in.

Laplace weather by month

How March compares with the rest of the year at a glance. March is the 8th-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysDaylight (hours)Travel score
Jan61° / 47°4.79.710.35.2
Feb65° / 50°4.59.310.95.9
Mar70° / 56°4.59.511.86.7
Apr76° / 62°4.18.912.77.1
May83° / 69°3.99.513.56.1
Jun87° / 75°5.115.213.94.2
Jul88° / 77°5.61913.73.5
Aug88° / 77°5.918.613.13.6
Sep85° / 73°4.712.412.25.1
Oct78° / 64°3.68.211.37.3
Nov70° / 55°3.57.710.57.0
Dec63° / 49°4.09.410.15.8

Cloud cover in March

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 36% of the time in March.

Beyond those clear spells, partly cloudy skies cover about 15% of March, with mostly cloudy or overcast conditions the remaining 50%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14555
24555
34555
44555
54555
64555
74654
84654
94654
104753
114654
124753
134951
144951
155149
165248
175347
185347
195446
205545
215545
225644
235545
245545
255545
265545
275446
285446
295347
305248
315248

Chance of precipitation in March

Any precipitation

Laplace gets around 4.5 in of rain over 9.5 wet days in March. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 30% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
135
234
334
434
533
633
733
832
932
1032
1131
1231
1331
1430
1530
1629
1729
1828
1928
2028
2128
2228
2327
2427
2527
2627
2728
2828
2929
3029
3130

Humidity in March

DryComfortableHumidMuggyOppressiveMiserable

Most of March feels dry — the stacked bands show each day's mix of comfort levels, read off the dew point.

By dew point, March lands in the dry band about 46% of days. Sticky, muggy-or-worse air turns up on roughly 15% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1571220110
2571220110
3571220110
4571220110
5571220110
6551321110
7551321110
8531421120
9521422120
10511522120
11501523120
12491623120
13481623120
14471724130
15461724130
16451824130
17441824140
18431825140
19421825150
20411825151
21401825161
22391825171
23391825171
24381825181
25381824191
26371824201
27371824211
28361724211
29361723221
30351723232
31351723232

Wind in March

Winds average 9 mph in March.

Across March, daily wind ranges from about 8 mph on the calmest days to 9 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
19light breeze
29light breeze
39light breeze
49light breeze
59light breeze
69light breeze
79light breeze
89light breeze
99light breeze
109light breeze
119light breeze
129light breeze
139light breeze
149light breeze
159light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
299light breeze
309light breeze
319light breeze

Sunrise & sunset in March

DaylightNight

Daylight runs from about 11 h 18 min at the start of March to 12 h 12 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 54 minutes over March. Sunrise moves from 6:36 AM to 6:00 AM, and sunset from 5:55 PM to 6:14 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
111.36:365:55
211.36:355:55
311.46:335:56
411.46:325:57
511.46:315:58
611.56:305:58
711.56:295:59
811.56:286:00
911.66:276:00
1011.66:266:01
1111.66:246:02
1211.76:236:02
1311.76:226:03
1411.76:216:04
1511.76:206:04
1611.86:186:05
1711.86:176:05
1811.86:166:06
1911.96:156:07
2011.96:136:07
2111.96:126:08
2212.06:116:09
2312.06:106:09
2412.06:086:10
2512.16:076:10
2612.16:066:11
2712.16:056:12
2812.16:036:12
2912.26:026:13
3012.26:016:14
3112.26:006:14

Solar energy in March

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in March, about 4.64 kWh/m².

For context, solar energy here swings from a low near 2.69 kWh/m² to a high of 6.15 kWh/m² in May across the year — March's 4.64 kWh/m² falls in the middle.

0246151015202531
Solar energy (kWh/m²)Level
14.0Bright
24.1Bright
34.1Bright
44.2Bright
54.2Bright
64.3Bright
74.3Bright
84.3Bright
94.4Bright
104.4Bright
114.4Bright
124.5Bright
134.5Bright
144.6Bright
154.6Bright
164.6Bright
174.7Bright
184.7Bright
194.8Bright
204.8Bright
214.8Bright
224.9Bright
234.9Bright
245.0Bright
255.0Bright
265.0Bright
275.0Bright
285.1Bright
295.1Bright
305.1Bright
315.2Bright
Planning a trip in March

Hazard calendar for Laplace

In seasonPeak

None of Laplace's seasonal hazards are active in March. The full-year calendar below shows when the rainy season, cyclone risk and dust haze do peak.

Laplace sits in the Atlantic hurricane belt; the season peaks August–October.

Atlantic hurricane
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

Is March a good time to visit Laplace?

Our two travel scores rate March for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal).

6.7
Sightseeing
4th-best month of the year
4.2
Beach & pool
9th-best month of the year

March is a reasonable time to visit Laplace for sightseeing.

What to pack for Laplace in March

From March's temperature range, rain chance, sun and wind — what's worth putting in the bag.

In March, Laplace sees daytime highs around 70°F and nights near 56°F. Worth packing: rain gear and sun protection. About 10 days see rain.

rain gearsun protection

Sea temperature near Laplace in March

The nearest coast averages about 64°F in March — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea offshore is warmest in August at about 86°F and coldest in January near 58°F.

It's comfortable for a long swim from Apr 5 to Nov 14 — about 7.4 months when the water holds above 68°F.

60°70°80°90°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmtropicalcomfortable to swim
Sea temperature (°F)Comfort
Jan58Bracing
Feb58Bracing
Mar64Cool
Apr71Refreshing
May78Warm
Jun84Tropical
Jul86Tropical
Aug86Tropical
Sep83Tropical
Oct76Warm
Nov67Cool
Dec61Cool

UV index in Laplace in March

LowModerateHighVery highExtreme

Clear-sky midday UV in March peaks around 7 — enough to warrant sun protection. The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Laplace peaks around July 12 at about 10 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near December 19 at about 4 (moderate).

The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highExtremeVery highHighModerateJul 12UV 10Dec 19UV 4
UV index (midday)Level
Jan4Moderate
Feb6High
Mar7High
Apr10Very high
May10Very high
Jun10Extreme
Jul10Extreme
Aug9Very high
Sep8Very high
Oct6High
Nov5Moderate
Dec4Moderate

Air quality in Laplace in March

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where March falls, not just the annual average.

Air quality in Laplace is worst in July — around 23 µg/m³ PM2.5 (moderate), about 2.5× the cleanest month (January, 9 µg/m³).

Modeled monthly averages (CAMS reanalysis, 2015–2024).

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1623 µg/m³Jan 199 µg/m³
PM2.5 (µg/m³)Level
Jan9Good
Feb10Good
Mar11Good
Apr11Good
May15Moderate
Jun20Moderate
Jul23Moderate
Aug19Moderate
Sep14Moderate
Oct12Good
Nov11Good
Dec10Good
Location & terrain

Where is Laplace?

Laplace sits at 30.1°N, 90.5°W, 10 ft above sea level, in United States. The nearest listed city is Kenner, 15 mi away.

Topography around Laplace

How much the land rises and falls, and what covers it, within 2, 10 and 50 miles of Laplace.

Within 2 miles, the terrain around Laplace has only modest variations in elevation — a maximum elevation change of 72 ft around an average of 13 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 95 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 295 ft.

The land around Laplace is covered by trees (31%), grassland (28%) and artificial surfaces (20%) within 2 miles, trees (46%) and water (27%) within 10 miles, and trees (46%) and water (22%) within 50 miles.

2 miles
72 ft
10 miles
95 ft
50 miles
295 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
March weather nearby: Kenner 15 mi · Metairie Terrace 20 mi · Metairie 21 mi · New Orleans 25 mi · Marrero 25 mi · Harvey 27 mi · Estelle 27 mi · Gretna 28 mi

United States travel facts

Power plugs
Type A / B
120 V · 60 Hz
Prices
≈ 100% of US
price level, 2025
GDP per capita
$90,027
2025
Happiness
6.8 / 10
World Happiness, 2025
Safe drinking water
98%
of population, 2024
Homicide rate
5.8
per 100k, 2023
Road deaths
12.7
per 100k/yr, 2019
Income group
High
World Bank
Religion
Protestant 47%unaffiliated 23%Roman Catholic 21%Jewish 2%

Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.

Data sources

Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Laplace (30.067°, -90.4815°, elevation 10 ft), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google. Tropical-cyclone seasons are the published climatological basin seasons (NOAA National Hurricane Center / regional warning centres). Sea temperatures are the NOAA OISST v2.1 1991–2020 monthly climatology (public domain), sampled at the nearest ocean point. UV index is derived from CAMS (Copernicus Atmosphere Monitoring Service) clear-sky UV data — contains modified Copernicus Atmosphere Monitoring Service information. Monthly air-quality (PM2.5) seasonality is from the CAMS EAC4 reanalysis (Copernicus Atmosphere Monitoring Service), scaled to the WHO annual mean where available. Topography is sampled from the Copernicus DEM GLO-90 elevation model (© ESA/Airbus) and ESA WorldCover 2021 land cover (CC BY 4.0).