Detroit Weather in July
Detroit in July sees high temperatures, with highs around 29°C (84°F) and overnight lows of 18°C (64°F). Rainfall is fairly high at around 99 mm (3.9 in) on average, so pack waterproofs just in case.
Rainfall in Detroit in July
Rain is expected on roughly 13 days, totalling around 99 mm (3.9 in) for the month. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.
Temperature in Detroit in July
Detroit in July has perfect weather. Days reach 29°C (84°F) and nights cool to 18°C (64°F). The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in Detroit in July
There are approximately 319 hours of sunshine this month, resulting in mostly clear days.If your ideal day consists of dry skies and pleasant temperatures, May, July and September typically offer the best circumstances for Detroit.
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 July
Min Temperature
18°C (64°F)
Max Temperature
29°C (84°F)
Chance of Rain
43%
Precipitation
99 mm (3.9 in)
Rainy days
13 days
Humidity
68%
Sunshine
319 hours
Percentage Sunshine
68%
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Detroit typically stay consistent throughout July, with daily highs averaging around 29°C (84°F). Nights are pleasant, with lows typically ranging from 18°C (64°F) to 20°C (68°F).
Average temperatures in July
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 July
Historical weather for Detroit in July
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 July
Based on weather observations in Detroit between 1976 and 2025, these are the recorded extremes during July.
- The hottest July day on record in Detroit reached 39°C (102°F) (July 14, 1995).
- Detroit experienced its chilliest July day on July 1, 1979, reaching only 18°C (64°F).
- The lowest overnight temperature recorded in July was 10°C (50°F) (July 2, 2001).
- The wettest day in July Detroit was on July 8, 2016 with 67 mm (2.6 in) of precipitation.
Best Places in the United States of America in July
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 July →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Detroit in July
Warm weather calls for comfortable, breathable clothing in July. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Detroit in July
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.
