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Detroit weather in August 2026
Expect daytime maximum temperatures of 27°C in Detroit, Michigan in August based on long-term weather averages. There are 8 hours of sunshine per day on average with typically 81 mm of rainfall in the month.
- 27°C max day temperature
27 - 8 hours of sunshine per day
- 9 days with some rainfall
9 - 17°C min night temperature
17 - 14 hours of daylight per day
14 - Moderate heat & humidity
M - 81 mm of monthly rainfall
81 - 8 (Very High) UV index
8 - 23°C sea temperature
23
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Recommended for Michigan
The August weather guide for Michigan (Detroit) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C / mm) | Imperial (°F / inches)
More about the USA
How hot is it in Detroit in August?
Daytime temperatures usually reach 27°C in Detroit in August with moderate heat and humidity, falling to 17°C at night.
How sunny is it in Detroit in August?
There are normally 8 hours of bright sunshine each day in Detroit in August - that's 61% of daylight hours.
How warm is the sea around Detroit in August?
The average sea temperature around Detroit in August is 23°C.
Does it rain in Detroit in August?
There are usually 9 days with some rain in Detroit in August and the average monthly rainfall is 81mm.
Detroit August sunrise & sunset times
Browse the sunrise and sunset times for Detroit in August 2026. Select a month to view Detroit sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Saturday, 1st August 2026 | 05:25 | 19:52 |
| Sunday, 16th August 2026 | 05:41 | 19:32 |
| Monday, 31st August 2026 | 05:56 | 19:08 |
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