Late summer · Weather & things to do
Door County in August
Little changes in Door County from July: highs stay near 75°F (24°C), lows near 63°F (17°C), and about 3.3 in (83 mm) of rain falls.
At 79/100 for comfort (3rd of 12), it's one of the best months to visit.
- Avg high
- 75°F (24°C)
- Avg low
- 63°F (17°C)
- Rain
- 3.3 in (83 mm)
- Humidity
- 76%
- Cloud cover
- 63%
- Daylight
- ~13 h 54 min
- Comfort score
- 79/100 · Great
What August feels like
Highs settle around 75°F (24°C), warm enough for short sleeves.
Nights cool to an average low of 63°F (17°C).
With 76% average humidity, it feels muggy.
Showers are part of the month, adding up to about 3.3 in (83 mm).
Plan around August
August is one of Door County's best months on the climate data.
- Last warm month for a while: September highs fall to 69°F.
- Comfort holds steady from July (78 → 79/100).
- August sits inside the Jun – Sep window our Chicago & Great Lakes route recommends.
What to pack for August
- Light, breathable clothes75°F afternoons
- Sunscreen, sunglasses and a hatstrong sun this month
- Quick-dry fabrics76% average humidity
- Packable rain jacket or umbrellaabout 3.3 in of rain
- Comfortable walking shoesmost picks involve some walking
What to do in Door County in August
With conditions on your side, the picks below favor time outside.
Whitefish Dunes State Park
Sand dunes and a long beach next to Cave Point.
Why now Our curated notes say it's best summer afternoon.
Washington Island Ferry
Ferry across Death's Door strait to a quiet island with beaches and lavender farms.
Why now Our curated notes say it's best summer.
Wilson's Restaurant and Ice Cream Parlor
Classic 1906 ice cream parlor across from the Ephraim waterfront.
Why now Our curated notes say it's best summer evening.
Door Peninsula Winery
Winery in an old schoolhouse pouring cherry and fruit wines.
Cana Island Lighthouse
1869 lighthouse on an island reached by wading or a hay wagon across the causeway.
Nearby in August
- Sleeping Bear Dunes in August~58 mi · highs 69°F, 3.0 in rain · 3°C (6°F) cooler by day, about as wet
- Traverse City in August~79 mi · highs 74°F, 3.0 in rain · similar daytime temperatures, about as wet
- Mackinac Island in August~138 mi · highs 72°F, 3.3 in rain · 2°C (3°F) cooler by day, about as wet
- Milwaukee in August~140 mi · highs 81°F, 3.9 in rain · 3°C (6°F) warmer by day, wetter
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.
Door County in August: quick answers
Is August a good time to visit Door County?
Yes. On the climate data it's one of the best months, scoring 79/100. Expect highs of 75°F (24°C) and 3.3 in (83 mm) of rain. August is inside the Jun – Sep window our Chicago & Great Lakes route recommends.
How hot is Door County in August?
Average highs are 75°F (24°C) and average lows 63°F (17°C), making it the 2nd-warmest month by daytime highs.
Does it rain a lot in Door County in August?
Some: about 3.3 in (83 mm) of rain falls across August on average, the 6th-wettest month of the year. The annual total is about 33.7 in (855 mm).
What should I pack for Door County in August?
Bring light, breathable clothes (75°F afternoons), sunscreen, sunglasses and a hat (strong sun this month), quick-dry fabrics (76% average humidity), packable rain jacket or umbrella (about 3.3 in of rain) and comfortable walking shoes (most picks involve some walking).
More on Door County
Routes in season in August
- Chicago & Great Lakes Jun – Sep
Planning Door County in August?
Plan it together in TripsCircle: one itinerary, one shared packing list and costs split as you go.