Detroit Weather in August
August in Detroit brings high temperatures, with daytime highs of 28°C (82°F) and nights around 18°C (64°F). Quite a bit of rainfall is expected, around 104 mm (4.1 in), so pack an umbrella.
Rainfall in Detroit in August
Historically, August sees about 12 days of rain, with a monthly average of 104 mm (4.1 in). The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Detroit in August
August in Detroit brings high temperatures, with highs of 28°C (82°F) and nights around 18°C (64°F). August marks the summer season. This kind of day-to-night contrast is typical for this time of year. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Detroit in August
Enjoy a sunny month with about 286 hours of sunshine, the clear skies make Detroit even more beautiful.For Detroit itself, May, July and September generally stand out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Detroit's climate page.
Detroit Temperature in August
Min Temperature
18°C (64°F)
Max Temperature
28°C (82°F)
Chance of Rain
39%
Precipitation
104 mm (4.1 in)
Rainy days
12 days
Humidity
71%
Sunshine
286 hours
Percentage Sunshine
66%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Detroit typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows typically ranging from 17°C (63°F) to 19°C (66°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Detroit in August
Browse day-by-day weather records for Detroit spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Detroit historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Detroit.
- On August 8, 2001, temperatures climbed to 37°C (99°F), marking the warmest August day on record.
- On August 28, 1987, Detroit saw its coldest August day with temperatures maxing out at 17°C (63°F).
- The coldest night in August in Detroit was on August 28, 1986, with a minimum of 8°C (46°F).
Best Places in the United States of America in August
Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in August →
perfect weather
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What to Wear in Detroit in August
Warm but pleasant conditions in Detroit in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Expect heavy rainfall, so bring good rain protection and waterproof bags. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Detroit in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit the United States of America, check out our Detroit's climate page.
Temperature Rainfall Sunshine Humidity
See the full Detroit climate overview or explore weather in the United States of America.
