Detroit weather in August
August in Detroit: warm, a little rain — an excellent time to visit.
#4 of 12 months in Detroit · #270 of 604 destinations to visit in August · comfort 81/100 (tier A)
Updated June 2026 · climate normals from ERA5 reanalysis
Detroit climate normals — August
| Daytime high | 27°C / 81°F | 🌤 warm |
|---|---|---|
| Nighttime low | 19°C / 67°F | |
| Feels like (high) | 28°C / 82°F | |
| Rainfall | 63 mm / 2.5 in | 🌦 some rain |
| Rainy days | 10 days | |
| Humidity | 71% | 💧 humid |
| Dew point | 16°C / 62°F | |
| Sunshine | 11.7 h/day | |
| Daylight | 13.9 h | |
| Wind | 18 km/h / 11 mph | |
| Air quality (US AQI) | 52 | 🙂 moderate |
Monthly averages from ERA5 reanalysis. AQI is the mean US Air Quality Index for the month.
Where is Detroit?
Loading map…
Detroit in August — FAQ
- Is August a good time to visit Detroit?
- August in Detroit: warm, a little rain — an excellent time to visit. It ranks #4 of 12 months for Detroit on SeasonMap's comfort score (81/100).
- What is the weather like in Detroit in August?
- In August, Detroit averages a daily high of 27.1°C and a low of 19.3°C, with about 63.4 mm of rain over roughly 9.8 rainy days.
- What is the air quality in Detroit in August?
- Detroit has a mean US Air Quality Index of about 52 in August.