Detroit weather in July
July in Detroit: hot, rainy — a great time to visit.
#5 of 12 months in Detroit · #310 of 604 destinations to visit in July · comfort 78/100 (tier B)
Updated June 2026 · climate normals from ERA5 reanalysis
Detroit climate normals — July
| Daytime high | 28°C / 83°F | 🥵 hot |
|---|---|---|
| Nighttime low | 20°C / 68°F | |
| Feels like (high) | 30°C / 86°F | |
| Rainfall | 91 mm / 3.6 in | 🌧 rainy |
| Rainy days | 12 days | |
| Humidity | 70% | 💧 humid |
| Dew point | 17°C / 62°F | |
| Sunshine | 12 h/day | |
| Daylight | 14.9 h | |
| Wind | 19 km/h / 11 mph | |
| Air quality (US AQI) | 59 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
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Detroit in July — FAQ
- Is July a good time to visit Detroit?
- July in Detroit: hot, rainy — a great time to visit. It ranks #5 of 12 months for Detroit on SeasonMap's comfort score (78/100).
- What is the weather like in Detroit in July?
- In July, Detroit averages a daily high of 28.1°C and a low of 20.1°C, with about 90.5 mm of rain over roughly 11.8 rainy days.
- What is the air quality in Detroit in July?
- Detroit has a mean US Air Quality Index of about 59 in July.