Early summer · Weather & things to do
Dubuque in June
The year's rain peaks now, with about 5.4 in (137 mm) falling in Dubuque, alongside highs near 80°F (27°C) and lows of 61°F (16°C).
It scores 74/100 for comfort, 6th of 12, which makes it a solid shoulder-season month.

- Avg high
- 80°F (27°C)
- Avg low
- 61°F (16°C)
- Rain
- 5.4 in (137 mm)
- Humidity
- 77%
- Cloud cover
- 57%
- Daylight
- ~15 h 06 min
- Comfort score
- 74/100 · Good
What June feels like
Highs settle around 80°F (27°C), warm enough for short sleeves.
After dark, temperatures fall to about 61°F (16°C).
Humidity averages 77%, so the air feels sticky and the heat feels stronger than the thermometer says.
Rain is a real factor, with about 5.4 in (137 mm) across the month.
With about 15 h 06 min of daylight, evenings stay light late.
Plan around June
June is shoulder season: good weather, a step below the best months (May and August – October).
- Inside the wettest three-month stretch, May – July.
- Longest days of the year, about 15 h 06 min of daylight.
- Humidity season begins: 77% on average, up from 77% in May.
- Comfort slips from 80/100 in May to 74/100.
- June sits inside the May – Oct window our Iowa Driftless & River Towns route recommends.
What to pack for June
- Light, breathable clotheshighs average 80°F
- Sunscreen, sunglasses and a hatstrong sun this month
- Quick-dry fabrics77% average humidity
- Rain jacket and waterproof shoesfrequent rain
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Dubuque in June
With 5.4 in of rain, these picks lean toward food, drink and places with a roof, with outdoor options when the weather breaks.
Field of Dreams Movie Site
The baseball field and farmhouse from the 1989 film, 25 miles west.
Why now Our curated notes say it's best summer.
National Mississippi River Museum & Aquarium
River history museum and aquarium with a historic dredge you can board.
Why now An indoor-leaning stop for a month with 5.4 in of rain.
Breitbach's Country Dining
Iowa's oldest bar and restaurant (1852), known for its buffet and pies.
Why now A sit-down stop to wait out showers in a month with 5.4 in of rain.
Fenelon Place Elevator
Short 1882 cable railway up the bluff, with views over three states.
Why now Our curated notes say it's best Apr–Nov.
Stone Cliff Winery
Winery tasting room in the old Dubuque Star Brewery building on the river.
Why now Easy to slot in when June's rain moves in.
Nearby in June
- Decorah in June~79 mi · highs 78°F, 5.8 in rain · 1°C (2°F) cooler by day, about as wet
- Milwaukee in June~145 mi · highs 77°F, 4.9 in rain · 2°C (3°F) cooler by day, about as wet
- Chicago in June~161 mi · highs 70°F, 4.0 in rain · 6°C (10°F) cooler by day, drier
- Des Moines in June~164 mi · highs 83°F, 5.1 in rain · 2°C (3°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid. Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Dubuque in June: quick answers
Is June a good time to visit Dubuque?
It's a good shoulder-season choice, scoring 74/100 against a best of 85 in May and August – October. Expect highs of 80°F (27°C) and 5.4 in (137 mm) of rain. June is inside the May – Oct window our Iowa Driftless & River Towns route recommends.
How hot is Dubuque in June?
Average highs are 80°F (27°C) and average lows 61°F (16°C), making it the 3rd-warmest month by daytime highs.
Does it rain a lot in Dubuque in June?
Yes: about 5.4 in (137 mm) of rain falls across June on average, the wettest month of the year. The annual total is about 37.8 in (959 mm).
What should I pack for Dubuque in June?
Bring light, breathable clothes (highs average 80°F), sunscreen, sunglasses and a hat (strong sun this month), quick-dry fabrics (77% average humidity), rain jacket and waterproof shoes (frequent rain) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Dubuque
Routes in season in June
- Iowa Driftless & River Towns May – Oct
Planning Dubuque in June?
Bring the crew into one shared trip: vote on dates, build the day-by-day plan, split costs and share one packing list.





