Gary weather in July

In July, Gary sees average daytime highs of 82°F and overnight lows near 67°F, with 3.9 in of rain across 12.1 wet days and about 14.7 hours of daylight. It is the 1st-warmest and 4th-wettest month of the year here.

Day-to-day highs hold fairly steady near 82°F through the month. The sky is clear or mostly clear about 36% of the time in July, and the air most often feels muggy.

Daylight stretches from about 15 hours at the start of July to 14 h 18 min by month's end. Set against the rest of the year, July is Gary's 3rd-clearest and 11th-windiest month. For the whole year in context, see Gary's year-round climate.

Daytime high
82°
1st warmest
Overnight low
67°
12th coldest
Rainfall
3.9 in
12.1 wet days
Daylight
14 h 42 min
4:33 AM – 7:17 PM
Cloud cover
53%
3rd clearest
Wind
7 mph
11th windiest
Solar energy
6.56 kWh/m²
Travel score
6.2
out of 10

Gary is city in Lake County, State of Indiana, United States.

Density
521/km²
people per km²
Founded
1906

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

Temperature in July

Average highAverage lowShaded bands: 10–90% of days

Day-to-day highs hold fairly steady near 82°F through the month.

A typical July day in Gary reaches about 82°F in the afternoon and slips back to 67°F overnight — a 15°F spread between the day's warmth and the night's chill. On most days the high lands between 74°F and 90°F. Set against its neighbours, July runs about 4°F warmer than June and about 2°F warmer than August.

50°60°70°80°90°151015202531
Avg high (°F)Avg low (°F)
18166
28166
38166
48166
58166
68266
78266
88266
98267
108267
118267
128267
138267
148267
158267
168267
178267
188267
198267
208267
218267
228267
238267
248267
258267
268267
278267
288267
298267
308167
318166

How July really feels in Gary

Once humidity and wind are folded in, July 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

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

Gary weather by month

How July compares with the rest of the year at a glance. July is the 1st-warmest and 4th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 20°2.69.76.79.30.0
Feb35° / 22°2.17.75.210.30.0
Mar45° / 31°3.010.43.211.71.1
Apr57° / 41°4.212.2113.13.8
May68° / 52°4.412.6014.35.9
Jun78° / 62°4.011.80156.4
Jul82° / 67°3.912.1014.76.2
Aug80° / 65°3.810.7013.76.6
Sep74° / 57°3.18.9012.37.0
Oct62° / 46°3.39.90.210.95.2
Nov48° / 35°2.99.41.59.71.8
Dec37° / 26°2.49.14.490.0

Cloud cover in July

ClearMostly clearPartly cloudyMostly cloudyOvercast

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

Beyond those clear spells, partly cloudy skies cover about 20% of July, with mostly cloudy or overcast conditions the remaining 44%.

0%25%50%75%100%151015202531
Clearer (%)Cloudier (%)
15743
25842
35842
45842
55842
65842
75842
85743
95842
105743
115743
125644
135644
145644
155545
165446
175446
185446
195347
205347
215347
225347
235347
245347
255347
265545
275545
285644
295644
305644
315743

Chance of precipitation in July

Any precipitation

Gary gets around 3.9 in of rain over 12.1 wet days in July. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 39% and peaks near 41% on the wettest days.

0%10%20%30%40%50%151015202531
Rain chance (%)
138
238
339
439
539
639
739
839
939
1039
1139
1239
1339
1440
1540
1640
1740
1841
1941
2041
2140
2240
2340
2440
2539
2639
2738
2837
2937
3036
3135

Humidity in July

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, July lands in the muggy band about 29% of days. Sticky, muggy-or-worse air turns up on roughly 47% of them.

0%25%50%75%100%151015202531
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
115202327140
215202327150
315212228150
414212228150
514212228150
614212228150
713202229150
813202229150
912202329161
1011192330161
1111192330161
1210192330171
1310182330171
149182330182
159182330192
169182330192
179182329202
188182329202
198182329202
208182329212
217182328212
227192328202
237192328202
247202328202
257212328192
267212328192
277222328182
287232428172
297232428172
307232527161
317242527161

Wind in July

Winds average 7 mph in July.

Across July, 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.

0246810151015202531
Wind speed (mph)Feels
18light breeze
27light breeze
37light breeze
47light breeze
57calm
67calm
77calm
87calm
97calm
107calm
117calm
127calm
137calm
147calm
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm
317calm

Sunrise & sunset in July

DaylightNight

Daylight runs from about 15 hours at the start of July to 14 h 18 min by month's end. The lit band spans sunrise to sunset each day.

Days shrink by about 42 minutes over July. Sunrise moves from 4:23 AM to 4:46 AM, and sunset from 7:22 PM to 7:05 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202531
Daylight (h)Sunrise (AM)Sunset (PM)
115.04:237:22
215.04:247:22
315.04:247:22
414.94:257:22
514.94:257:22
614.94:267:21
714.94:277:21
814.94:277:21
914.94:287:20
1014.94:287:20
1114.84:297:20
1214.84:307:19
1314.84:317:19
1414.84:317:18
1514.84:327:18
1614.74:337:17
1714.74:347:16
1814.74:357:16
1914.74:357:15
2014.64:367:14
2114.64:377:14
2214.64:387:13
2314.64:397:12
2414.54:407:11
2514.54:417:10
2614.54:427:09
2714.44:437:09
2814.44:447:08
2914.44:457:07
3014.34:457:06
3114.34:467:05

Solar energy in July

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in July, about 6.56 kWh/m².

For context, solar energy here swings from a low near 1.6 kWh/m² to a high of 6.59 kWh/m² in June across the year — July's 6.56 kWh/m² sits near the top of that range.

0246151015202531
Solar energy (kWh/m²)Level
16.8Intense
26.8Intense
36.8Intense
46.7Intense
56.7Intense
66.7Intense
76.7Intense
86.7Intense
96.7Intense
106.7Intense
116.7Intense
126.6Intense
136.6Intense
146.6Intense
156.6Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.3Intense
266.3Intense
276.3Intense
286.3Intense
296.3Intense
306.3Intense
316.2Intense
Planning a trip in July

Is July a good time to visit Gary?

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

6.2
Sightseeing
4th-best month of the year
6.5
Beach & pool
2nd-best month of the year

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

What to pack for Gary in July

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

In July, Gary sees daytime highs around 82°F and nights near 67°F. Pack light clothes and sun protection. Worth having: rain gear. About 12 days see rain.

light clothessun protectionrain gear

Sea temperature near Gary in July

The nearest coast averages about 70°F in July — 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 73°F and coldest in February near 35°F.

It's comfortable for a long swim from Jul 10 to Sep 16 — 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
Feb35Bracing
Mar35Bracing
Apr39Bracing
May46Bracing
Jun59Cool
Jul70Refreshing
Aug73Refreshing
Sep68Refreshing
Oct58Bracing
Nov49Bracing
Dec42Bracing

UV index in Gary in July

LowModerateHighVery highExtreme

Clear-sky midday UV in July peaks around 9 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

Under clear skies, the midday UV index in Gary peaks around June 21 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near December 22 at about 2 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 21UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Gary in July

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Gary 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 Gary?

Gary sits at 41.6°N, 87.3°W, 600 ft above sea level, in United States. The nearest listed city is Griffith, 6.2 mi away.

Topography around Gary

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

Within 2 miles, the terrain around Gary has only modest variations in elevation — a maximum elevation change of 102 ft around an average of 607 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 200 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 673 ft.

The land around Gary is covered by artificial surfaces (55%) and trees (31%) within 2 miles, water (31%), trees (28%) and artificial surfaces (24%) within 10 miles, and cropland (35%) and water (27%) within 50 miles.

2 miles
102 ft
10 miles
200 ft
50 miles
673 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
July weather nearby: Griffith 6.2 mi · Highland 6.2 mi · Hobart 6.2 mi · East Chicago 6.2 mi · Merrillville 7.5 mi · Hammond 8.1 mi · Munster 8.7 mi · Portage 8.7 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 Gary (41.5934°, -87.3464°, elevation 600 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).