Detroit
Michigan, USA
Long-term weather forecast
Long-term weather forecast

August weather forecast and Climate
Detroit, MI

The downtown city of Detroit, Michigan viewed from a bird
The downtown city of Detroit, Michigan viewed from a bird's eye angle
August temperatures drop slightly to the warm range of 62.6°F (17°C) and 80.6°F (27°C), making most days quite warm and pleasant.
Rainfall remains steady falling for fourteen days to collect at 3.5" (88.9mm) on average. The sunshine hours are still nine per day and the daylight hours drop to fourteen.
Expect crowd in most parts of Detroit as the weather begins to lose the scorch and become much more tolerable. With clear blue skies and warm days, sight-seeing tops the list of to-do activities, as visitors enjoy the magnificent view of Detroit from the various spots throughout the city.
  • The average high temperature in August: 27.4°C

The warmest month (with the highest average high temperature) is July (28.6°C).
The month with the lowest average high temperature is January (0°C).

  • The average low temperature in August: 17°C

The month with the highest average low temperature is July (17.7°C).
The coldest month (with the lowest average low temperature) is January (-7.2°C).

  • The average humidity in August: 71.5%

The month with the highest relative humidity is December (76.7%).
The month with the lowest relative humidity is May (65.3%).

  • The average rainfall in August: 76.2mm

The wettest month (with the highest rainfall) is June (89.4mm).
The driest month (with the lowest rainfall) is January (49.8mm).

  • The average rainfall days in August: 9.6 days

The month with the highest number of rainy days is December (13.7 days).
The month with the lowest number of rainy days is September (9.5 days).

  • The average snowfall in August: 0mm

The month with the highest snowfall is January (317.5mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

  • The average snowfall days in August: 0 days

The month with the highest number of snowfall days is January (10.4 days).
Months with the lowest number of snowfall days are May, June, July, August and September (0 days).

  • The average sea temperature in August: 23°C

The best month for swimming (with the highest average sea temperature) is August (23°C).
Coldest months (with the lowest average sea temperature) are February and March (2°C).

  • The average daylight in August: 14h

Months with the longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

  • The average sunshine in August: 9.1h

The month with most sunshine is July (Average sunshine: 10.2h).
The month with least sunshine is December (Average sunshine: 2.8h).

  • The average UV index in August: 8

The month with the highest UV index is July (UV index 9).
Months with the lowest UV index are January and December (UV index 1).

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