Mid-summer · Weather & things to do
Decorah in July
Decorah's warmest month brings highs averaging 83°F (28°C), lows of 64°F (18°C) and about 4.0 in (102 mm) of rain.
It scores 78/100 for comfort, 4th of 12, which makes it a solid shoulder-season month.

- Avg high
- 83°F (28°C)
- Avg low
- 64°F (18°C)
- Rain
- 4.0 in (102 mm)
- Humidity
- 75%
- Cloud cover
- 49%
- Daylight
- ~14 h 54 min
- Comfort score
- 78/100 · Great
What July feels like
Days are warm, averaging 83°F (28°C).
Lows average 64°F (18°C).
With 75% average humidity, it feels muggy.
Some rain is likely, about 4.0 in (102 mm) in the month, so pack for a shower or two.
Plan around July
July is shoulder season: good weather, a step below the best months (August & September).
- Inside the wettest three-month stretch, May – July.
- Comfort improves from 72/100 in June to 78/100.
- July sits inside the May – Oct window our Iowa Driftless & River Towns route recommends.
What to pack for July
- Light, breathable clothes83°F afternoons
- Sunscreen, sunglasses and a hathigh UV on clear days
- Quick-dry fabrics75% average humidity
- Packable rain jacket or umbrellaa shower or two is likely
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Decorah in July
July is good outdoor weather here, so these picks lean toward the open air.
Seed Savers Exchange Heritage Farm
Heirloom gardens, orchards and trails on an 890-acre farm.
Why now Our curated notes say it's best Jun–Sep.
Trout Run Trail
11-mile paved bike loop past a trout hatchery, bluffs and farmland.
Why now July scores 78/100 for comfort, good conditions for being outside.
Phelps Park
Hilltop park with stone overlooks above the Upper Iowa River.
Why now Highs near 83°F and 4.0 in of monthly rain make this an easy outdoor pick.
Mabe's Pizza
Family pizza place on Water Street since 1953.
Why now One to do outside while the weather is on your side.
Oneota Community Food Co-op
Local grocery with a deli for sandwiches and picnic supplies.
Nearby in July
- Dubuque in July~79 mi · highs 84°F, 4.4 in rain · similar daytime temperatures, about as wet
- Minneapolis in July~137 mi · highs 84°F, 3.7 in rain · similar daytime temperatures, about as wet
- Des Moines in July~151 mi · highs 87°F, 3.7 in rain · 3°C (5°F) warmer by day, about as wet
- Milwaukee in July~196 mi · highs 83°F, 3.7 in rain · similar daytime temperatures, 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.
Decorah in July: quick answers
Is July a good time to visit Decorah?
It's a good shoulder-season choice, scoring 78/100 against a best of 87 in August & September. Expect highs of 83°F (28°C) and 4.0 in (102 mm) of rain. July is inside the May – Oct window our Iowa Driftless & River Towns route recommends.
How hot is Decorah in July?
Average highs are 83°F (28°C) and average lows 64°F (18°C), making it the warmest month by daytime highs.
Does it rain a lot in Decorah in July?
Some: about 4.0 in (102 mm) of rain falls across July on average, the 4th-wettest month of the year. The annual total is about 37.0 in (939 mm).
What should I pack for Decorah in July?
Bring light, breathable clothes (83°F afternoons), sunscreen, sunglasses and a hat (high UV on clear days), quick-dry fabrics (75% average humidity), packable rain jacket or umbrella (a shower or two is likely) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Decorah
Routes in season in July
- Iowa Driftless & River Towns May – Oct
Planning Decorah in July?
Share this July plan with your group, poll everyone on dates and keep the packing list in one place.





