Zion weather in June

In June, Zion sees average daytime highs of 69°F and overnight lows near 62°F, with 3.2 in of rain across 10.1 wet days and about 15 hours of daylight. It is the 4th-warmest and 5th-wettest month of the year here.

Highs climb over the month, from about 63°F in the first days to 74°F by the end. The sky is clear or mostly clear about 35% of the time in June, and the air most often feels dry.

Daylight stretches from about 14 h 54 min at the start of June to 15 h 06 min by month's end. Set against the rest of the year, June is Zion's 4th-clearest and 10th-windiest month. For the whole year in context, see Zion's year-round climate.

Daytime high
69°
4th warmest
Overnight low
62°
9th coldest
Rainfall
3.2 in
10.1 wet days
Daylight
15 h 06 min
4:19 AM – 7:24 PM
Cloud cover
57%
4th clearest
Wind
11 mph
10th windiest
Solar energy
6.49 kWh/m²
Travel score
6.3
out of 10

Zion is city in Lake County, Illinois, United States.

Density
949/km²
people per km²
Founded
1901

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 63°F in the first days to 74°F by the end.

A typical June day in Zion reaches about 69°F in the afternoon and slips back to 62°F overnight — a 6°F spread between the day's warmth and the night's chill. On most days the high lands between 59°F and 78°F. Set against its neighbours, June runs about 14°F warmer than May and about 8°F cooler than July.

40°50°60°70°80°151015202530
Avg high (°F)Avg low (°F)
16256
26356
36357
46458
56458
66558
76559
86659
96660
106760
116761
126861
136862
146962
156963
166963
177063
187064
197164
207164
217165
227265
237265
247266
257366
267366
277367
287467
297467
307467

How June really feels in Zion

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.

Zion weather by month

How June compares with the rest of the year at a glance. June is the 4th-warmest and 5th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan30° / 22°2.79.679.20.0
Feb30° / 21°2.27.55.410.30.0
Mar36° / 28°2.79.63.611.60.0
Apr44° / 38°4.511.81.513.10.8
May55° / 49°3.811.2014.43.5
Jun69° / 62°3.210.10156.3
Jul77° / 70°2.89.9014.87.0
Aug76° / 70°3.710.6013.77.0
Sep70° / 64°3.19.7012.36.7
Oct58° / 51°3.810.80.110.84.3
Nov46° / 39°3.29.71.39.61.1
Dec36° / 29°2.89.84.98.90.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 35% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 15% of June, with mostly cloudy or overcast conditions the remaining 51%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24654
34654
44654
54654
64753
74753
84753
94654
104555
114654
124654
134654
144654
154654
164753
174852
184852
194951
205050
215149
225248
235347
245446
255545
265545
275644
285644
295743
305743

Chance of precipitation in June

Any precipitation

Zion gets around 3.2 in of rain over 10.1 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 34% and peaks near 35% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
134
234
334
434
534
634
734
834
934
1034
1134
1234
1334
1435
1535
1635
1735
1835
1935
2035
2135
2234
2334
2434
2533
2633
2733
2832
2932
3032

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 31% of days. Sticky, muggy-or-worse air turns up on roughly 21% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
163191440
260201550
357211651
453221861
552221961
649232071
747242181
844242281
942252391
10392524101
11372525122
12342526132
13322527142
14302527153
15282627163
16262627174
17242627185
18232627195
19222627206
20202626207
21192626218
22182626228
23182625229
241726252210
251626252311
261525252312
271425252312
281325252313
291324252414
301224262414

Wind in June

Winds average 11 mph in June.

Across June, daily wind ranges from about 11 mph on the calmest days to 12 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
Wind speed (mph)Feels
112light breeze
212light breeze
312light breeze
412light breeze
512light breeze
612light breeze
711light breeze
811light breeze
911light breeze
1011light breeze
1111light breeze
1211light breeze
1311light breeze
1411light breeze
1511light breeze
1611light breeze
1711light breeze
1811light breeze
1911light breeze
2011light breeze
2111light breeze
2211light breeze
2311light breeze
2411light breeze
2511light breeze
2611light breeze
2711light breeze
2811light breeze
2911light breeze
3011light breeze

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 54 min at the start of June to 15 h 06 min by month's end. The lit band spans sunrise to sunset each day.

Days grow by about 12 minutes over June. Sunrise moves from 4:23 AM to 4:22 AM, and sunset from 7:15 PM to 7:27 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:237:15
214.94:227:16
314.94:227:17
414.94:217:17
515.04:217:18
615.04:217:19
715.04:207:19
815.04:207:20
915.04:207:21
1015.04:197:21
1115.04:197:22
1215.14:197:22
1315.14:197:23
1415.14:197:23
1515.14:197:24
1615.14:197:24
1715.14:197:25
1815.14:197:25
1915.14:197:25
2015.14:197:26
2115.14:197:26
2215.14:197:26
2315.14:207:26
2415.14:207:27
2515.14:207:27
2615.14:207:27
2715.14:217:27
2815.14:217:27
2915.14:227:27
3015.14:227:27

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.49 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.44 kWh/m² to a high of 6.49 kWh/m² in June across the year — June's 6.49 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.3Intense
26.3Intense
36.3Intense
46.3Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.4Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.4Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
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 Zion?

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

6.3
Sightseeing
4th-best month of the year
3.6
Beach & pool
4th-best month of the year

June is a reasonable time to visit Zion for sightseeing.

What to pack for Zion in June

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

In June, Zion sees daytime highs around 69°F and nights near 62°F. Pack sun protection. Worth having: rain gear. About 10 days see rain.

sun protectionrain gear

Sea temperature near Zion in June

The nearest coast averages about 55°F in June — 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 71°F and coldest in March near 36°F.

It's comfortable for a long swim from Jul 18 to Sep 8 — about 1.7 months when the water holds above 68°F.

30°40°50°60°70°80°JanFebMarAprMayJunJulAugSepOctNovDecbracingcoolrefreshingwarmcomfortable to swim
Sea temperature (°F)Comfort
Jan38Bracing
Feb36Bracing
Mar36Bracing
Apr38Bracing
May43Bracing
Jun55Bracing
Jul68Refreshing
Aug71Refreshing
Sep67Cool
Oct57Bracing
Nov47Bracing
Dec42Bracing

UV index in Zion 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 Zion peaks around June 22 at about 9 (very high) — sunscreen, a hat and midday shade are essential. It bottoms out near January 1 at about 1 (low).

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

025710JanFebMarAprMayJunJulAugSepOctNovDecLowModerateHighVery highHighModerateLowJun 22UV 9Jan 1UV 1
UV index (midday)Level
Jan1Low
Feb2Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul9Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec1Low

Air quality in Zion 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 Zion is worst in July — around 17 µg/m³ PM2.5 (moderate), about 1.8× the cleanest month (October, 9 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1017 µg/m³Oct 249 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar15Moderate
Apr15Moderate
May16Moderate
Jun17Moderate
Jul17Moderate
Aug16Moderate
Sep13Moderate
Oct9Good
Nov9Good
Dec10Good
Location & terrain

Where is Zion?

Zion sits at 42.4°N, 87.8°W, 650 ft above sea level, in United States. The nearest listed city is Waukegan, 5.6 mi away.

Topography around Zion

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

Within 2 miles, the terrain around Zion has only modest variations in elevation — a maximum elevation change of 233 ft around an average of 650 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 295 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 804 ft.

The land around Zion is covered by trees (47%), grassland (24%) and artificial surfaces (20%) within 2 miles, water (44%) and trees (20%) within 10 miles, and water (47%) within 50 miles.

2 miles
233 ft
10 miles
295 ft
50 miles
804 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Waukegan 5.6 mi · Gurnee 6.2 mi · North Chicago 8.1 mi · Pleasant Prairie 8.7 mi · Kenosha 9.3 mi · Grayslake 13 mi · Libertyville 13 mi · Lake Forest 13 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 Zion (42.4461°, -87.8328°, elevation 650 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).