Carbondale weather in June

In June, Carbondale sees average daytime highs of 85°F and overnight lows near 68°F, with 3.6 in of rain across 10.5 wet days and about 14.6 hours of daylight. It is the 3rd-warmest and 6th-wettest month of the year here.

Highs climb over the month, from about 82°F in the first days to 87°F by the end. The sky is clear or mostly clear about 35% of the time in June, and the air most often feels muggy.

Daylight stretches from about 14 h 24 min at the start of June to 14 h 36 min by month's end. Set against the rest of the year, June is Carbondale's 6th-clearest and 9th-windiest month. For the whole year in context, see Carbondale's year-round climate.

Daytime high
85°
3rd warmest
Overnight low
68°
10th coldest
Rainfall
3.6 in
10.5 wet days
Daylight
14 h 36 min
4:39 AM – 7:15 PM
Cloud cover
55%
6th clearest
Wind
6 mph
9th windiest
Solar energy
6.46 kWh/m²
Travel score
5.3
out of 10

Carbondale is city in Jackson County, Illinois, United States.

Density
582/km²
people per km²
Founded
1852

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 82°F in the first days to 87°F by the end.

A typical June day in Carbondale reaches about 85°F in the afternoon and slips back to 68°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 77°F and 92°F. Set against its neighbours, June runs about 9°F warmer than May and about 3°F cooler than July.

50°60°70°80°90°151015202530
Avg high (°F)Avg low (°F)
18164
28265
38265
48265
58266
68366
78366
88367
98367
108467
118467
128468
138568
148568
158568
168569
178669
188669
198669
208669
218670
228770
238770
248770
258770
268770
278770
288770
298771
308771

How June really feels in Carbondale

Once humidity and wind are folded in, June averages 1 day 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
1
heat index over the day's high
Days feeling ≤ 32°F
0
wind chill below the day's low

The story in June is heat — humidity pushes the afternoon "feels like" well above the raw temperature.

Carbondale weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 6th-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan42° / 27°3.38.92.39.70.3
Feb47° / 30°3.082.210.51.4
Mar57° / 39°4.311.20.911.73.9
Apr68° / 49°5.011.6012.96.0
May76° / 59°4.612.50146.3
Jun85° / 68°3.610.5014.65.3
Jul88° / 71°3.510014.34.5
Aug87° / 69°2.77.6013.55.1
Sep81° / 61°3.07.4012.36.9
Oct69° / 50°3.67.70.1116.9
Nov56° / 39°3.78.60.5103.9
Dec46° / 31°3.391.99.41.1

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 18% of June, with mostly cloudy or overcast conditions the remaining 47%. Skies tend to open up as the month goes on.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14654
24753
34654
44852
54852
65050
75050
85050
95149
105248
115347
125446
135347
145446
155446
165545
175545
185644
195644
205644
215644
225743
235743
245743
255743
265743
275743
285743
295743
305743

Chance of precipitation in June

Any precipitation

Carbondale gets around 3.6 in of rain over 10.5 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 35% and peaks near 37% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
137
237
337
437
537
637
737
836
936
1036
1135
1235
1335
1435
1534
1634
1734
1834
1934
2034
2134
2234
2334
2434
2534
2634
2734
2834
2934
3034

Humidity in June

DryComfortableHumidMuggyOppressiveMiserable

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

By dew point, June lands in the muggy band about 33% of days. Sticky, muggy-or-worse air turns up on roughly 54% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)Miserable (%)
12217233170
22117233270
32017233280
41917233290
518172332100
617172232110
716172232120
815172232130
915162233150
1014162133160
1113152133170
1212152133180
1311142133200
1410142134210
1510132134220
169132034230
179132034240
188132035250
198122035250
207122035260
217122035260
227112035260
237112035271
246112034271
256112034281
266112034281
276102034291
286102033301
296101933311
305101933311

Wind in June

Winds average 6 mph in June.

Across June, daily wind ranges from about 6 mph on the calmest days to 6 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
16calm
26calm
36calm
46calm
56calm
66calm
76calm
86calm
96calm
106calm
116calm
126calm
136calm
146calm
156calm
166calm
176calm
186calm
196calm
206calm
216calm
226calm
236calm
246calm
256calm
266calm
276calm
286calm
296calm
306calm

Sunrise & sunset in June

DaylightNight

Daylight runs from about 14 h 24 min at the start of June to 14 h 36 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 4:42 AM to 4:42 AM, and sunset from 7:07 PM to 7:18 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.44:427:07
214.44:427:07
314.44:417:08
414.54:417:09
514.54:417:09
614.54:407:10
714.54:407:11
814.54:407:11
914.54:407:12
1014.54:407:12
1114.64:397:13
1214.64:397:13
1314.64:397:14
1414.64:397:14
1514.64:397:15
1614.64:397:15
1714.64:397:15
1814.64:397:16
1914.64:407:16
2014.64:407:16
2114.64:407:17
2214.64:407:17
2314.64:407:17
2414.64:407:17
2514.64:417:17
2614.64:417:17
2714.64:417:18
2814.64:427:18
2914.64:427:18
3014.64:427:18

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.46 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.94 kWh/m² to a high of 6.46 kWh/m² in June across the year — June's 6.46 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.2Intense
26.2Intense
36.2Intense
46.2Intense
56.3Intense
66.3Intense
76.3Intense
86.3Intense
96.3Intense
106.4Intense
116.4Intense
126.4Intense
136.4Intense
146.5Intense
156.5Intense
166.5Intense
176.5Intense
186.5Intense
196.5Intense
206.5Intense
216.5Intense
226.5Intense
236.5Intense
246.5Intense
256.5Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in June

Is June a good time to visit Carbondale?

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

5.3
Sightseeing
5th-best month of the year
6.7
Beach & pool
3rd-best month of the year

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

What to pack for Carbondale in June

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

In June, Carbondale sees daytime highs around 85°F and nights near 68°F. Pack light clothes and sun protection. Worth having: rain gear. About 11 days see rain.

light clothessun protectionrain gear

UV index in Carbondale in June

LowModerateHighVery highExtreme

Clear-sky midday UV in June peaks around 10 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.

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

The index reaches 3 or more — the level where the WHO recommends sun protection — in 10 months of the year.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateJun 22UV 9Dec 22UV 2
UV index (midday)Level
Jan2Moderate
Feb4Moderate
Mar5High
Apr7High
May8Very high
Jun10Very high
Jul9Very high
Aug8Very high
Sep7High
Oct4Moderate
Nov3Moderate
Dec2Moderate

Air quality in Carbondale 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 Carbondale is worst in July — around 19 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (November, 8 µg/m³).

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

0102030JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodJul 1318 µg/m³Nov 128 µg/m³
PM2.5 (µg/m³)Level
Jan8Good
Feb11Good
Mar12Moderate
Apr11Good
May14Moderate
Jun17Moderate
Jul19Moderate
Aug14Moderate
Sep12Good
Oct8Good
Nov8Good
Dec8Good
Location & terrain

Where is Carbondale?

Carbondale sits at 37.7°N, 89.2°W, 413 ft above sea level, in United States. The nearest listed city is Marion, 16 mi away.

Topography around Carbondale

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

Within 2 miles, the terrain around Carbondale has only modest variations in elevation — a maximum elevation change of 167 ft around an average of 420 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 489 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 1,030 ft.

The land around Carbondale is covered by trees (48%) and artificial surfaces (22%) within 2 miles, trees (61%) within 10 miles, and trees (46%) and cropland (39%) within 50 miles.

2 miles
167 ft
10 miles
489 ft
50 miles
1,030 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Marion 16 mi · Cape Girardeau 34 mi · Mount Vernon 44 mi · Paducah 56 mi · Sikeston 62 mi · Farmington 66 mi · Belleville 69 mi · O'Fallon 71 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 Carbondale (37.7273°, -89.2168°, elevation 413 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. 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).