Michigan City in Summer

In summer (June, July and August), Michigan City sees average daytime highs around 77°F and overnight lows near 68°F, with 11.1 in of rain over about 33 wet days across the season. It is the warmest season of the year and the 2nd-wettest season.

Over the season highs climb from about 70°F in early June to 76°F by late August. The sky is clear or mostly clear about 41% of the time across summer, and the air most often feels muggy.

Summer is Michigan City's best season of the year to visit on our travel score. For the whole year in context, see Michigan City's year-round climate.

Avg daytime high
77°F
warmest season of the year
Avg overnight low
68°F
Rainfall
11.1 in
33 wet days
Avg wind
9 mph
Travel score
6.7
best season of the year
Months
Jun · Jul · Aug

Temperature in Michigan City in Summer

Average highAverage lowShaded bands: 10–90% of days

Over the season highs climb from about 70°F in early June to 76°F by late August.

A typical summer day in Michigan City reaches about 77°F and drops to 68°F overnight. The warmest of the three months is July, the coolest June.

50°60°70°80°90°JunJulAug

How summer really feels in Michigan City

Once humidity and wind are folded in, summer brings about 0 days that feel above 90°F and 0 that feel at or below 32°F.

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

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

Michigan City weather by month

How the three summer months (June, July and August) compare with the rest of the year — the season's months are highlighted.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan31° / 23°3.111.79.19.30.0
Feb32° / 23°2.48.66.210.30.0
Mar40° / 31°3.010.43.511.70.2
Apr50° / 41°4.312.31.313.12.2
May63° / 53°4.212.2014.35.1
Jun74° / 65°3.810.70156.7
Jul79° / 71°3.611.6014.76.6
Aug77° / 69°3.710.5013.76.9
Sep71° / 62°3.410.3012.36.7
Oct59° / 51°3.811.1010.94.6
Nov47° / 39°3.411.52.29.61.4
Dec37° / 30°2.911.46.590.0

Cloud cover in Summer

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 41% of the time across summer.

0%25%50%75%100%JunJulAug

Chance of precipitation in Summer

Any precipitation

Michigan City gets around 11.1 in of rain over 33 wet days across summer. The line is the day-by-day chance of measurable precipitation.

0%10%20%30%40%50%JunJulAug

Humidity in Summer

DryComfortableHumidMuggyOppressiveMiserable

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

0%25%50%75%100%JunJulAug

Wind in Summer

Winds average 9 mph across summer.

051015JunJulAug

Sunrise & sunset in Summer

DaylightNight

Daylight runs from about 14 h 48 min in early June to 13 hours by late August. The lit band spans sunrise to sunset each day.

12 AM4 AM8 AM12 PM4 PM8 PM12 AMJunJulAug

Solar energy in Summer

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day across summer, about 6.3 kWh/m².

0246JunJulAug
Planning a trip in summer

Is summer a good time to visit Michigan City?

Our two travel scores rate summer for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.

6.7
Sightseeing
1st-best month of the year
6.0
Beach & pool
1st-best month of the year

summer is a reasonable time to visit Michigan City for sightseeing.

What to pack for Michigan City in Summer

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

In summer, Michigan City sees daytime highs around 77°F and nights near 68°F. Pack sun protection. Worth having: light clothes and rain gear. About 33 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Michigan City in Summer

The nearest coast averages about 67°F across summer — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 12 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 Michigan City in Summer

LowModerateHighVery highExtreme

Clear-sky midday UV across summer averages around 8 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Michigan City 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 Michigan City in Summer

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Michigan City is worst in June — around 23 µg/m³ PM2.5 (moderate), about 2.6× the cleanest month (November, 9 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJun 1922 µg/m³Nov 119 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar17Moderate
Apr19Moderate
May21Moderate
Jun23Moderate
Jul22Moderate
Aug18Moderate
Sep14Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Michigan City?

Michigan City sits at 41.7°N, 86.9°W, 627 ft above sea level, in United States. The nearest listed city is La Porte, 12 mi away.

Topography around Michigan City

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

Within 2 miles, the terrain around Michigan City has only modest variations in elevation — a maximum elevation change of 157 ft around an average of 623 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 420 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 686 ft.

The land around Michigan City is covered by trees (40%) and artificial surfaces (33%) within 2 miles, water (42%) and trees (33%) within 10 miles, and water (35%), cropland (32%) and trees (20%) within 50 miles.

2 miles
157 ft
10 miles
420 ft
50 miles
686 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
Summer weather nearby: La Porte 12 mi · Portage 17 mi · Valparaiso 18 mi · Hobart 22 mi · Gary 25 mi · Merrillville 27 mi · East Chicago 29 mi · Griffith 30 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 Michigan City (41.7075°, -86.895°, elevation 627 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.