Dubuque weather in June

In June, Dubuque sees average daytime highs of 78°F and overnight lows near 61°F, with 4.7 in of rain across 12 wet days and about 15.1 hours of daylight. It is the 3rd-warmest and 1st-wettest month of the year here.

Highs climb over the month, from about 75°F in the first days to 81°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 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 Dubuque's 5th-clearest and 10th-windiest month. For the whole year in context, see Dubuque's year-round climate.

Daytime high
78°
3rd warmest
Overnight low
61°
10th coldest
Rainfall
4.7 in
12 wet days
Daylight
15 h 06 min
4:30 AM – 7:36 PM
Cloud cover
58%
5th clearest
Wind
7 mph
10th windiest
Solar energy
6.3 kWh/m²
Travel score
6.4
out of 10

Dubuque is city in and county seat of Dubuque, Iowa, United States.

Density
719/km²
people per km²
Founded
1788

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 75°F in the first days to 81°F by the end.

A typical June day in Dubuque reaches about 78°F in the afternoon and slips back to 61°F overnight — a 17°F spread between the day's warmth and the night's chill. On most days the high lands between 69°F and 87°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)
17457
27557
37558
47658
57658
67659
77759
87760
97760
107860
117861
127861
137861
147962
157962
167962
177962
188062
198063
208063
218063
228063
238063
248064
258064
268164
278164
288164
298164
308164

How June really feels in Dubuque

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.

Dubuque 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°1.57.469.20.0
Feb32° / 17°1.76.6510.30.0
Mar45° / 29°2.593.411.61.1
Apr58° / 40°4.211.71.113.14.0
May69° / 51°4.412.7014.45.9
Jun78° / 61°4.712015.16.4
Jul82° / 65°3.89.9014.86.5
Aug80° / 63°3.89.7013.76.8
Sep73° / 55°3.68.3012.37.1
Oct60° / 42°2.78.60.410.84.9
Nov45° / 31°2.37.529.61.1
Dec33° / 20°1.97.75.48.90.0

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 18% of June, with mostly cloudy or overcast conditions the remaining 51%.

0%25%50%75%100%151015202530
Clearer (%)Cloudier (%)
14555
24654
34654
44654
54654
64654
74654
84654
94753
104852
114753
124753
134852
144753
154753
164753
174951
184951
194951
204951
215149
225149
235248
245347
255248
265347
275446
285446
295446
305545

Chance of precipitation in June

Any precipitation

Dubuque gets around 4.7 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 42% on the wettest days.

0%10%20%30%40%50%151015202530
Rain chance (%)
142
242
341
441
541
641
741
841
941
1041
1141
1241
1341
1441
1541
1641
1741
1841
1941
2040
2140
2239
2339
2438
2538
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 30% of days. Sticky, muggy-or-worse air turns up on roughly 24% of them.

0%25%50%75%100%151015202530
Dry (%)Comfortable (%)Humid (%)Muggy (%)Oppressive (%)
1532215100
2522216100
3492316110
4482416120
5462517120
6442617130
7422617140
8402718151
9382718161
10362819171
11342819181
12312820191
13292820211
14272821222
15262821232
16242822242
17232722253
18222723253
19212723263
20202624264
21202524274
22192524275
23192424285
24192324286
25192224287
26192224287
27192124288
28192124288
29182124289
301821242810

Wind in June

Winds average 7 mph in June.

Across June, daily wind ranges from about 7 mph on the calmest days to 7 mph at its breeziest. It stays fairly steady from day to day.

0246810151015202530
Wind speed (mph)Feels
17calm
27calm
37calm
47calm
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

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 4:34 AM to 4:33 AM, and sunset from 7:26 PM to 7:39 PM.

12 AM4 AM8 AM12 PM4 PM8 PM12 AM151015202530
Daylight (h)Sunrise (AM)Sunset (PM)
114.94:347:26
214.94:337:27
314.94:337:28
414.94:337:29
515.04:327:29
615.04:327:30
715.04:317:31
815.04:317:32
915.04:317:32
1015.04:317:33
1115.04:307:33
1215.14:307:34
1315.14:307:34
1415.14:307:35
1515.14:307:35
1615.14:307:36
1715.14:307:36
1815.14:307:37
1915.14:307:37
2015.14:307:37
2115.14:307:38
2215.14:317:38
2315.14:317:38
2415.14:317:38
2515.14:317:38
2615.14:327:38
2715.14:327:39
2815.14:327:39
2915.14:337:39
3015.14:337:39

Solar energy in June

Daily solar energy (kWh/m²)

Average shortwave solar energy reaching the ground each day in June, about 6.3 kWh/m² — the sunniest month for solar.

For context, solar energy here swings from a low near 1.62 kWh/m² to a high of 6.3 kWh/m² in June across the year — June's 6.3 kWh/m² sits near the top of that range.

0246151015202530
Solar energy (kWh/m²)Level
16.0Intense
26.0Intense
36.0Intense
46.1Intense
56.1Intense
66.1Intense
76.1Intense
86.1Intense
96.2Intense
106.2Intense
116.2Intense
126.2Intense
136.2Intense
146.3Intense
156.3Intense
166.3Intense
176.3Intense
186.3Intense
196.3Intense
206.4Intense
216.4Intense
226.4Intense
236.4Intense
246.4Intense
256.4Intense
266.5Intense
276.5Intense
286.5Intense
296.5Intense
306.5Intense
Planning a trip in June

Is June a good time to visit Dubuque?

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

6.4
Sightseeing
4th-best month of the year
6.0
Beach & pool
3rd-best month of the year

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

What to pack for Dubuque in June

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

In June, Dubuque sees daytime highs around 78°F and nights near 61°F. Pack sun protection. Worth having: light clothes and rain gear. About 12 days see rain.

sun protectionlight clothesrain gear

UV index in Dubuque 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 Dubuque peaks around June 18 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 18UV 9Jan 1UV 2
UV index (midday)Level
Jan2Low
Feb3Moderate
Mar4Moderate
Apr6High
May7Very high
Jun9Very high
Jul8Very high
Aug8Very high
Sep6High
Oct3Moderate
Nov2Moderate
Dec2Low

Air quality in Dubuque 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 Dubuque is worst in July — around 16 µg/m³ PM2.5 (moderate), about 2.2× the cleanest month (October, 7 µg/m³).

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

01020JanFebMarAprMayJunJulAugSepOctNovDecGoodModerateGoodModerateGoodJul 1915 µg/m³Oct 227 µg/m³
PM2.5 (µg/m³)Level
Jan11Good
Feb13Moderate
Mar13Moderate
Apr11Good
May12Moderate
Jun13Moderate
Jul16Moderate
Aug14Moderate
Sep11Good
Oct7Good
Nov8Good
Dec9Good
Location & terrain

Where is Dubuque?

Dubuque sits at 42.5°N, 90.7°W, 620 ft above sea level, in United States. The nearest listed city is Clinton, 52 mi away.

Topography around Dubuque

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

Within 2 miles, the terrain around Dubuque has only modest variations in elevation — a maximum elevation change of 328 ft around an average of 715 ft above sea level; within 10 miles, only modest variations in elevation — a maximum elevation change of 633 ft; within 50 miles, significant variations in elevation — a maximum elevation change of 896 ft.

The land around Dubuque is covered by artificial surfaces (36%) and trees (34%) within 2 miles, cropland (35%), trees (34%) and grassland (20%) within 10 miles, and cropland (57%) and trees (26%) within 50 miles.

2 miles
328 ft
10 miles
633 ft
50 miles
896 ft
treesgrasslandcroplandartificial surfacesbare terrainwater
June weather nearby: Clinton 52 mi · Freeport 55 mi · Marion 58 mi · Cedar Rapids 60 mi · Davenport 68 mi · Bettendorf 68 mi · Fitchburg 68 mi · Rock Island 68 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 Dubuque (42.5006°, -90.6646°, elevation 620 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).