Marion weather in June

In June, Marion sees average daytime highs of 79°F and overnight lows near 62°F, with 5.1 in of rain across 12 wet days and about 15 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 76°F in the first days to 81°F by the end. The sky is clear or mostly clear about 33% 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 Marion's 5th-clearest and 10th-windiest month. For the whole year in context, see Marion's year-round climate.

Daytime high
79°
3rd warmest
Overnight low
62°
10th coldest
Rainfall
5.1 in
12 wet days
Daylight
15 hours
4:35 AM – 7:38 PM
Cloud cover
57%
5th clearest
Wind
8 mph
10th windiest
Solar energy
6.35 kWh/m²
Travel score
6.3
out of 10

Marion is city in Linn County, Iowa, United States.

Density
810/km²
people per km²
Founded
1839

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 81°F by the end.

A typical June day in Marion 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 70°F and 88°F. Set against its neighbours, June runs about 9°F warmer than May and about 3°F cooler than July.

40°60°80°151015202530
Avg high (°F)Avg low (°F)
17557
27658
37658
47658
57759
67759
77759
87860
97860
107860
117961
127961
137961
147962
158062
168062
178062
188063
198063
208063
218163
228163
238163
248164
258164
268164
278164
288164
298164
308164

How June really feels in Marion

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.

Marion weather by month

How June compares with the rest of the year at a glance. June is the 3rd-warmest and 1st-wettest month here — the current month is highlighted below.

MonthHigh / Low (°F)Rainfall (inches)Wet daysSnow daysDaylight (hours)Travel score
Jan28° / 13°1.57.15.49.30.0
Feb33° / 17°1.76.44.410.30.0
Mar46° / 28°2.69311.71.4
Apr60° / 40°4.311.80.913.14.4
May70° / 51°4.912.8014.36.0
Jun79° / 62°5.1120156.3
Jul82° / 65°3.89.7014.76.4
Aug80° / 62°3.79.3013.76.8
Sep74° / 54°4.08.4012.37.1
Oct61° / 42°2.98.50.310.95.3
Nov47° / 30°2.37.51.69.61.5
Dec33° / 19°1.96.94.790.0

Cloud cover in June

ClearMostly clearPartly cloudyMostly cloudyOvercast

The sky is clear or mostly clear about 33% of the time in June.

Beyond those clear spells, partly cloudy skies cover about 16% of June, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24654
34654
44654
54654
64555
74555
84555
94654
104654
114654
124654
134654
144654
154852
164852
174852
184852
194951
205050
215149
225248
235347
245347
255446
265446
275545
285545
295644
305644

Chance of precipitation in June

Any precipitation

Marion gets around 5.1 in of rain over 12 wet days in June, the wettest month. The line is the day-by-day chance of measurable precipitation.

Day to day, the chance of measurable rain averages around 40% and peaks near 43% on the wettest days. The odds ease toward the end of the month.

0%10%20%30%40%50%151015202530
Rain chance (%)
143
243
342
442
542
641
741
841
941
1040
1140
1240
1340
1440
1540
1640
1740
1840
1940
2040
2139
2239
2338
2438
2537
2637
2736
2836
2935
3035

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 25% of days. Sticky, muggy-or-worse air turns up on roughly 29% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1482217120
2462218131
3452318131
4432319141
5412419151
6402419151
7382520161
8362520172
9342520182
10322621192
11302621203
12282621223
13262621234
14242622244
15232622255
16212522265
17202523276
18182523286
19172424287
20162424297
21152324298
22152325299
23142225309
241422253010
251321253011
261321253011
271320253012
281220253013
291219253014
301219252914

Wind in June

Winds average 8 mph in June.

Across June, daily wind ranges from about 8 mph on the calmest days to 8 mph at its breeziest. It stays fairly steady from day to day.

051015151015202530
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
138light breeze
148light breeze
158light breeze
168light breeze
178light breeze
188light breeze
198light breeze
208light breeze
218light breeze
228light breeze
238light breeze
248light breeze
258light breeze
268light breeze
278light breeze
288light breeze
298light breeze
308light breeze

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 4:39 AM to 4:38 AM, and sunset from 7:29 PM to 7:41 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.84:397:29
214.84:397:29
314.94:387:30
414.94:387:31
514.94:377:32
614.94:377:32
714.94:377:33
815.04:367:34
915.04:367:34
1015.04:367:35
1115.04:367:36
1215.04:367:36
1315.04:357:37
1415.04:357:37
1515.04:357:38
1615.04:357:38
1715.14:357:38
1815.14:357:39
1915.14:357:39
2015.14:367:39
2115.14:367:40
2215.14:367:40
2315.14:367:40
2415.14:367:40
2515.14:377:40
2615.14:377:41
2715.14:377:41
2815.14:387:41
2915.04:387:41
3015.04:387:41

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.35 kWh/m².

For context, solar energy here swings from a low near 1.73 kWh/m² to a high of 6.39 kWh/m² in July across the year — June's 6.35 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.1Intense
46.1Intense
56.1Intense
66.1Intense
76.2Intense
86.2Intense
96.2Intense
106.2Intense
116.3Intense
126.3Intense
136.3Intense
146.3Intense
156.3Intense
166.4Intense
176.4Intense
186.4Intense
196.4Intense
206.4Intense
216.4Intense
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 Marion?

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

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

What to pack for Marion in June

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

In June, Marion 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

UV index in Marion 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 Marion peaks around June 18 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.

025710JanFebMarAprMayJunJulAugSepOctNovDecModerateHighVery highHighModerateLowJun 18UV 9Dec 22UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May8Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Marion 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 Marion 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).

01020JanFebMarAprMayJunJulAugSepOctNovDecModerateGoodModerateGoodJul 1916 µg/m³Oct 218 µg/m³
PM2.5 (µg/m³)Level
Jan12Moderate
Feb14Moderate
Mar14Moderate
Apr11Good
May13Moderate
Jun13Moderate
Jul17Moderate
Aug15Moderate
Sep12Good
Oct8Good
Nov8Good
Dec10Good
Location & terrain

Where is Marion?

Marion sits at 42.0°N, 91.6°W, 850 ft above sea level, in United States. The nearest listed city is Cedar Rapids, 3.1 mi away.

Topography around Marion

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

Within 2 miles, the terrain around Marion has only modest variations in elevation — a maximum elevation change of 207 ft around an average of 833 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 515 ft; within 50 miles, only modest variations in elevation — a maximum elevation change of 738 ft.

The land around Marion is covered by artificial surfaces (41%), grassland (29%) and trees (26%) within 2 miles, cropland (48%) within 10 miles, and cropland (75%) within 50 miles.

2 miles
207 ft
10 miles
515 ft
50 miles
738 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Cedar Rapids 3.1 mi · North Liberty 20 mi · Coralville 25 mi · Iowa City 26 mi · Waterloo 50 mi · Muscatine 51 mi · Cedar Falls 55 mi · Dubuque 58 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 Marion (42.0342°, -91.5977°, elevation 850 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).