La Porte weather in May

In May, La Porte sees average daytime highs of 70°F and overnight lows near 51°F, with 4.5 in of rain across 13.2 wet days and about 14.3 hours of daylight. It is the 5th-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 65°F in the first days to 74°F by the end. The sky is clear or mostly clear about 28% of the time in May, and the air most often feels dry.

Daylight stretches from about 13 h 48 min at the start of May to 14 h 48 min by month's end. Set against the rest of the year, May is La Porte's 6th-clearest and 8th-windiest month. For the whole year in context, see La Porte's year-round climate.

Daytime high
70°
5th warmest
Overnight low
51°
8th coldest
Rainfall
4.5 in
13.2 wet days
Daylight
14 h 18 min
4:33 AM – 6:53 PM
Cloud cover
63%
6th clearest
Wind
8 mph
8th windiest
Solar energy
5.89 kWh/m²
Travel score
6.0
out of 10

La Porte is city in LaPorte County, Indiana, United States of America.

Density
684/km²
people per km²
Founded
1832

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 65°F in the first days to 74°F by the end.

A typical May day in La Porte reaches about 70°F in the afternoon and slips back to 51°F overnight — a 19°F spread between the day's warmth and the night's chill. On most days the high lands between 56°F and 83°F. Set against its neighbours, May runs about 11°F warmer than April and about 10°F cooler than June.

40°60°80°151015202531
Avg high (°F)Avg low (°F)
16446
26546
36547
46647
56647
66648
76748
86749
96749
106849
116849
126850
136950
146950
156951
167051
177051
187052
197152
207152
217153
227253
237253
247354
257354
267355
277455
287455
297456
307556
317556

How May really feels in La Porte

Once humidity and wind are folded in, May 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

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

La Porte weather by month

How May compares with the rest of the year at a glance. May is the 5th-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 20°2.610.57.79.30.0
Feb36° / 22°2.18.25.510.30.0
Mar47° / 30°3.010.83.411.71.4
Apr59° / 41°4.212.2113.14.3
May70° / 51°4.513.2014.36.0
Jun79° / 61°4.212.10156.3
Jul83° / 65°4.111.7014.75.9
Aug81° / 63°4.011.1013.76.5
Sep75° / 56°3.29.3012.36.9
Oct62° / 45°3.210.10.110.95.3
Nov48° / 35°2.99.81.99.71.9
Dec37° / 26°2.49.45.290.0

Cloud cover in May

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 28% of the time in May.

Beyond those clear spells, partly cloudy skies cover about 15% of May, with mostly cloudy or overcast conditions the remaining 57%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
14159
24060
34060
44060
54060
64060
74060
84060
94159
104159
114159
124258
134258
144357
154357
164357
174357
184357
194456
204357
214456
224456
234456
244357
254357
264456
274456
284555
294555
304555
314555

Chance of precipitation in May

Any precipitation

La Porte gets around 4.5 in of rain over 13.2 wet days in May, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 42% and peaks near 43% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
141
241
341
442
542
642
742
842
942
1042
1142
1243
1343
1443
1543
1643
1743
1843
1943
2043
2143
2243
2342
2442
2542
2642
2742
2842
2942
3042
3142

Humidity in May

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, May lands in the dry band about 71% of days. It rarely turns muggy — the humid and sticky bands barely register.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1899200
2889300
38610310
48411410
58411410
68212510
78212510
88013610
97913620
107814620
117615720
127615720
137515730
147316830
157316830
167216840
177117840
186917950
196917950
206718960
2165181070
2265181070
2363181180
2462191180
2560191290
2660191290
27581913100
28571913101
29552013111
30542014111
31532014121

Wind in May

Winds average 8 mph in May.

Across May, 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
68light breeze
78light breeze
88light breeze
98light breeze
108light breeze
118light breeze
128light breeze
138light breeze
148light breeze
158light 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
298light breeze
308light breeze
318light breeze

Sunrise & sunset in May

DaylightNight

Daylight runs from about 13 h 48 min at the start of May to 14 h 48 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 60 minutes over May. Sunrise moves from 4:51 AM to 4:21 AM, and sunset from 6:37 PM to 7:07 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
113.84:516:37
213.84:506:38
313.94:486:39
413.94:476:40
513.94:466:42
614.04:446:43
714.04:436:44
814.04:426:45
914.14:416:46
1014.14:406:47
1114.24:386:48
1214.24:376:49
1314.24:366:50
1414.34:356:51
1514.34:346:52
1614.34:336:53
1714.44:326:54
1814.44:316:55
1914.44:306:56
2014.54:296:57
2114.54:286:58
2214.54:286:59
2314.64:277:00
2414.64:267:01
2514.64:257:02
2614.64:257:03
2714.74:247:04
2814.74:237:05
2914.74:237:05
3014.74:227:06
3114.84:217:07

Solar energy in May

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in May, about 5.89 kWh/m².

For context, solar energy here swings from a low near 1.56 kWh/m² to a high of 6.47 kWh/m² in June across the year — May's 5.89 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
15.5Bright
25.5Bright
35.5Bright
45.6Bright
55.6Bright
65.6Bright
75.6Bright
85.7Bright
95.7Bright
105.7Bright
115.8Bright
125.8Bright
135.8Bright
145.8Bright
155.9Bright
165.9Bright
175.9Bright
186.0Bright
196.0Bright
206.0Intense
216.0Intense
226.0Intense
236.1Intense
246.1Intense
256.1Intense
266.1Intense
276.1Intense
286.2Intense
296.2Intense
306.2Intense
316.2Intense
Planning a trip in May

Is May a good time to visit La Porte?

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

6.0
Sightseeing
4th-best month of the year
3.7
Beach & pool
5th-best month of the year

May is a reasonable time to visit La Porte for sightseeing.

What to pack for La Porte in May

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

In May, La Porte sees daytime highs around 70°F and nights near 51°F. Worth packing: rain gear and sun protection. About 13 days see rain.

rain gearsun protection

Sea temperature near La Porte in May

The nearest coast averages about 46°F in May — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 21 mi away) is warmest in August at about 73°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 11 to Sep 17 — about 2.3 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr39Bracing
May46Bracing
Jun58Bracing
Jul70Refreshing
Aug73Refreshing
Sep69Refreshing
Oct59Bracing
Nov49Bracing
Dec43Bracing

UV index in La Porte in May

LowModerateHighVery highExtreme

Clear-sky midday UV in May 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 La Porte peaks around June 20 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 20 at about 2 (low).

The index reaches 3 or more — the level where the WHO recommends sun protection — in 8 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 20UV 9Dec 20UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in La Porte 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 La Porte is worst in July — around 17 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1516 µg/m³Oct 228 µg/m³
PM2.5 (µg/m³)Level
Jan10Good
Feb13Moderate
Mar14Moderate
Apr13Moderate
May15Moderate
Jun15Moderate
Jul17Moderate
Aug15Moderate
Sep11Good
Oct8Good
Nov8Good
Dec9Good
Location & terrain

Where is La Porte?

La Porte sits at 41.6°N, 86.7°W, 817 ft above sea level, in United States. The nearest listed city is Michigan City, 12 mi away.

Topography around La Porte

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

Within 2 miles, the terrain around La Porte has only modest variations in elevation — a maximum elevation change of 135 ft around an average of 810 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 417 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 758 ft.

The land around La Porte is covered by trees (39%) and artificial surfaces (20%) within 2 miles, cropland (46%) and trees (38%) within 10 miles, and cropland (41%), water (26%) and trees (22%) within 50 miles.

2 miles
135 ft
10 miles
417 ft
50 miles
758 ft
treesgrasslandcroplandartificial surfacesbare terrainwaterwetland
May weather nearby: Michigan City 12 mi · Valparaiso 21 mi · Portage 24 mi · South Bend 24 mi · Hobart 29 mi · Mishawaka 29 mi · Gary 33 mi · Granger 33 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 La Porte (41.6077°, -86.7139°, elevation 817 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. 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).