Laplace weather in May

In May, Laplace sees average daytime highs of 83°F and overnight lows near 69°F, with 3.9 in of rain across 9.5 wet days and about 13.5 hours of daylight. It is the 5th-warmest and 10th-wettest month of the year here.

Highs climb over the month, from about 80°F in the first days to 85°F by the end. The sky is clear or mostly clear about 43% of the time in May, and the air most often feels oppressive.

Daylight stretches from about 13 h 06 min at the start of May to 13 h 48 min by month's end. Set against the rest of the year, May is Laplace's 3rd-clearest and 8th-windiest month. For the whole year in context, see Laplace's year-round climate.

Daytime high
83°
5th warmest
Overnight low
69°
8th coldest
Rainfall
3.9 in
9.5 wet days
Daylight
13 h 30 min
5:13 AM – 6:43 PM
Cloud cover
49%
3rd clearest
Wind
7 mph
8th windiest
Solar energy
6.15 kWh/m²
Travel score
6.1
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 May

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 80°F in the first days to 85°F by the end.

A typical May day in Laplace reaches about 83°F in the afternoon and slips back to 69°F overnight — a 14°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 88°F. Set against its neighbours, May runs about 6°F warmer than April and about 4°F cooler than June.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18066
28066
38066
48066
58167
68167
78167
88167
98268
108268
118268
128268
138269
148369
158369
168369
178370
188370
198370
208470
218471
228471
238471
248471
258571
268572
278572
288572
298573
308573
318573

How May really feels in Laplace

Once humidity and wind are folded in, May averages 2 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
2
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in May is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Laplace weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 10th-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 May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 43% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 19% of May, with mostly cloudy or overcast conditions the remaining 37%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
16139
26040
36139
46139
56139
66139
76238
86238
96238
106238
116238
126238
136238
146337
156337
166436
176436
186535
196535
206535
216634
226535
236436
246436
256436
266337
276238
286238
296139
306139
316040

Chance of precipitation in May

Any precipitation

Laplace gets around 3.9 in of rain over 9.5 wet days in May. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 32% and peaks near 43% on the wettest days. The odds climb toward the end of the month.

0%10%20%30%40%50%151015202531
Rain chance (%)
127
227
327
427
527
627
727
827
927
1027
1128
1228
1329
1429
1530
1630
1731
1831
1931
2032
2133
2233
2334
2435
2536
2637
2738
2839
2940
3041
3143

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the oppressive band about 36% of days. Sticky, muggy-or-worse air turns up on roughly 71% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
116122232170
216122232190
315112232200
414112233210
513102133220
612102133230
71292134240
81192034250
91092034260
101081935280
11981935290
12981835300
13881736310
14871636320
15871636330
16771536350
17771436360
18661337380
19661336391
20561236401
21551136421
22451136431
23441035451
24341034471
2533934492
2623932522
2723931532
2812830563
2912829573
3011827594
3101726624

Wind in May

Winds average 7 mph in May.

Across May, daily wind ranges from about 7 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202531
Wind speed (mph)Feels
18light breeze
28light breeze
38light breeze
48light breeze
58light breeze
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
127light breeze
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 06 min at the start of May to 13 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 42 minutes over May. Sunrise moves from 5:25 AM to 5:06 AM, and sunset from 6:34 PM to 6:53 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.15:256:34
213.25:246:34
313.25:236:35
413.25:226:36
513.35:216:36
613.35:206:37
713.35:196:38
813.35:196:38
913.45:186:39
1013.45:176:40
1113.45:166:40
1213.45:166:41
1313.45:156:41
1413.55:146:42
1513.55:146:43
1613.55:136:43
1713.55:126:44
1813.65:126:45
1913.65:116:45
2013.65:116:46
2113.65:106:47
2213.65:106:47
2313.65:096:48
2413.75:096:48
2513.75:086:49
2613.75:086:50
2713.75:076:50
2813.75:076:51
2913.75:076:51
3013.85:066:52
3113.85:066:53

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 6.15 kWh/m² — the sunniest month for solar.

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 — May's 6.15 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.1Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.2Intense
156.2Intense
166.2Intense
176.2Intense
186.2Intense
196.2Intense
206.2Intense
216.2Intense
226.2Intense
236.2Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.1Intense
296.0Intense
306.0Intense
316.0Intense
Planning a trip in May

Hazard calendar for Laplace

In seasonPeak

None of Laplace's seasonal hazards are active in May. 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 May a good time to visit Laplace?

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

6.1
Sightseeing
5th-best month of the year
7.0
Beach & pool
1st-best month of the year

May is a reasonable time to visit Laplace for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Laplace in May

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

In May, Laplace sees daytime highs around 83°F and nights near 69°F. Pack light clothes and sun protection. Worth having: rain gear. About 10 days see rain.

light clothessun protectionrain gear

Sea temperature near Laplace in May

The nearest coast averages about 78°F in May — 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 May

LowModerateHighVery highExtreme

Clear-sky midday UV in May peaks around 10 (very high — sun protection essential). 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 May

GoodModeratePoorUnhealthyVery unhealthy

Average fine-particle pollution (PM2.5) through the year — so you can see where May 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
May 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).