Chicago Heights weather in June

In June, Chicago Heights sees average daytime highs of 79°F and overnight lows near 62°F, with 4.3 in of rain across 11.6 wet days and about 14.9 hours of daylight. It is the 3rd-warmest and 3rd-wettest month of the year here.

Highs climb over the month, from about 76°F in the first days to 82°F by the end. The sky is clear or mostly clear about 31% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 48 min at the start of June to 15 hours by month's end. Set against the rest of the year, June is Chicago Heights's 5th-clearest and 10th-windiest month. For the whole year in context, see Chicago Heights's year-round climate.

Daytime high
79°
3rd warmest
Overnight low
62°
10th coldest
Rainfall
4.3 in
11.6 wet days
Daylight
15 hours
4:21 AM – 7:20 PM
Cloud cover
60%
5th clearest
Wind
7 mph
10th windiest
Solar energy
6.5 kWh/m²
Travel score
6.3
out of 10

Chicago Heights is city in Cook County, Illinois, United States.

Density
1,159/km²
people per km²
Founded
1893

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

Temperature in June

Average highAverage lowShaded bands: 10–90% of days

Highs climb over the month, from about 76°F in the first days to 82°F by the end.

A typical June day in Chicago Heights reaches about 79°F in the afternoon and slips back to 62°F overnight — a 18°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 89°F. Set against its neighbours, June runs about 10°F warmer than May and about 3°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17557
27557
37658
47658
57658
67759
77759
87760
97860
107860
117861
127961
137961
147962
158062
168062
178062
188063
198163
208163
218163
228164
238164
248164
258264
268264
278264
288264
298264
308265

How June really feels in Chicago Heights

Once humidity and wind are folded in, June 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

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

Chicago Heights weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 3rd-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan32° / 19°2.38.75.79.30.0
Feb36° / 21°2.07.14.810.30.0
Mar47° / 31°2.910.6311.71.5
Apr59° / 41°4.412.60.913.14.3
May70° / 51°4.612.6014.36.0
Jun79° / 62°4.311.6014.96.3
Jul83° / 66°3.911.9014.75.8
Aug81° / 64°3.810.8013.76.5
Sep75° / 56°3.08.5012.37.1
Oct62° / 44°3.29.50.110.95.4
Nov48° / 34°2.78.61.29.71.9
Dec37° / 24°2.283.99.10.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 31% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 17% of June, with mostly cloudy or overcast conditions the remaining 52%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14456
24555
34654
44654
54555
64555
74555
84654
94654
104654
114654
124654
134654
144555
154654
164654
174753
184753
194852
204951
215050
225050
235149
245248
255248
265347
275347
285446
295446
305446

Chance of precipitation in June

Any precipitation

Chicago Heights gets around 4.3 in of rain over 11.6 wet days in June. 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%151015202530
Rain chance (%)
140
240
340
440
541
641
740
840
940
1040
1140
1240
1340
1440
1540
1640
1740
1839
1939
2038
2138
2238
2338
2438
2538
2638
2738
2839
2939
3039

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the dry band about 30% of days. Sticky, muggy-or-worse air turns up on roughly 27% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1511916131
2502016131
3482017141
4472117141
5452118151
6432219151
7412219161
8402220172
9382320172
10362321182
11342321193
12322322203
13302323213
14282323224
15272224234
16252224244
17242224255
18232124265
19222125266
20212125277
21212125277
22202025278
23202025278
24192025279
25192025279
261819242810
271819242711
281820242711
291720242712
301720232712

Wind in June

Winds average 7 mph in June.

Across June, 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.

0246810151015202530
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
128light breeze
137light breeze
147light breeze
157calm
167calm
177calm
187calm
197calm
207calm
217calm
227calm
237calm
247calm
257calm
267calm
277calm
287calm
297calm
307calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 48 min at the start of June to 15 hours by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:25 AM to 4:24 AM, and sunset from 7:11 PM to 7:23 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:257:11
214.84:247:12
314.84:247:13
414.84:247:13
514.84:237:14
614.94:237:15
714.94:237:16
814.94:227:16
914.94:227:17
1014.94:227:17
1114.94:227:18
1215.04:217:18
1315.04:217:19
1415.04:217:19
1515.04:217:20
1615.04:217:20
1715.04:217:21
1815.04:217:21
1915.04:217:21
2015.04:217:22
2115.04:227:22
2215.04:227:22
2315.04:227:22
2415.04:227:23
2515.04:237:23
2615.04:237:23
2715.04:237:23
2815.04:247:23
2915.04:247:23
3015.04:247:23

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.5 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.66 kWh/m² to a high of 6.5 kWh/m² in June across the year — June's 6.5 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.4Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.5Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.6Intense
206.6Intense
216.6Intense
226.6Intense
236.6Intense
246.6Intense
256.6Intense
266.6Intense
276.6Intense
286.6Intense
296.6Intense
306.6Intense
Planning a trip in June

Is June a good time to visit Chicago Heights?

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

6.3
Sightseeing
3rd-best month of the year
6.1
Beach & pool
3rd-best month of the year

June is a reasonable time to visit Chicago Heights for sightseeing. The water and warmth also suit a beach or pool day.

What to pack for Chicago Heights in June

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

In June, Chicago Heights sees daytime highs around 79°F and nights near 62°F. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.

sun protectionlight clothesrain gear

Sea temperature near Chicago Heights in June

The nearest coast averages about 59°F in June — the other half of the beach question. The full-year curve and swim-comfort zones are below.

The sea at the nearest coast (about 16 mi away) 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 Chicago Heights in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June 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 Chicago Heights peaks around June 23 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 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 23UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar5Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Chicago Heights in June

GoodModeratePoorUnhealthyVery unhealthy

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

Air quality in Chicago Heights is worst in July — around 18 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1418 µg/m³Oct 238 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb14Moderate
Mar15Moderate
Apr15Moderate
May17Moderate
Jun17Moderate
Jul18Moderate
Aug16Moderate
Sep12Moderate
Oct8Good
Nov9Good
Dec10Good
Location & terrain

Where is Chicago Heights?

Chicago Heights sits at 41.5°N, 87.6°W, 659 ft above sea level, in United States. The nearest listed city is Park Forest, 2.5 mi away.

Topography around Chicago Heights

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

Within 2 miles, the terrain around Chicago Heights has only modest variations in elevation — a maximum elevation change of 161 ft around an average of 676 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 564 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 689 ft.

The land around Chicago Heights is covered by artificial surfaces (44%) and trees (35%) within 2 miles, trees (34%), artificial surfaces (27%) and grassland (20%) within 10 miles, and cropland (42%) within 50 miles.

2 miles
161 ft
10 miles
564 ft
50 miles
689 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Park Forest 2.5 mi · Homewood 3.7 mi · Matteson 3.7 mi · Dyer 6.2 mi · Country Club Hills 6.2 mi · Lansing 6.2 mi · South Holland 6.8 mi · Harvey 7.5 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 Chicago Heights (41.5061°, -87.6356°, elevation 659 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).