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August Weather in Detroit, United States

Last updated: June 24, 2025

In August, the average temperature in Detroit, United States is a warm 28°C (83°F). Expect a minimum of 18°C (65°F) and a maximum of 38°C (101°F), making it a perfect time for summer activities. However, be prepared for some rain, with 95 mm (3.8 in) of precipitation expected over 8 days. The average humidity during this month is around 66%, which adds a tropical touch to the atmosphere!

August Temperature in Detroit

In August in Detroit, the average temperature is 28°C (83°F), with maximums reaching up to 38°C (101°F) and minimums dropping as low as 18°C (65°F). This warm weather makes it an ideal time for travelers to enjoy outdoor activities and explore the beauty of Detroit.

August Weather in Detroit: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Detroit, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Detroit, August typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (101°F) and lows dropping to around 18°C (65°F).
JanFebMarAprMayJunJulAugSepOctNovDec454758637280838378665450
Data source: Temperature data for Detroit generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Detroit

In Detroit in August, the precipitation amount is 95 mm (3.8 in) accumulated over 8 days.

August Precipitation Trends in Detroit

The chart displays monthly precipitation patterns in Detroit, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Detroit, August typically receives around 95 mm (3.8 inches) of precipitation spread over approximately 8 days.
JanFebMarAprMayJunJulAugSepOctNovDec9014013620919210770958313766106
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Detroit

In Detroit in August humidity is 66%. With an average temperature of 28°C (83°F), this humidity feels like walking through a warm blanket, making travel quite uncomfortable and sticky, requiring frequent breaks to hydrate and seek shade.

August Average Humidity in Detroit

This chart illustrates the average monthly humidity levels in Detroit, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Detroit is approximately 66%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%79%78%78%81%78%73%66%65%72%82%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Detroit

In Detroit in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Detroit.

Maximum UV Index Levels in Detroit for August

The chart shows the monthly maximum UV Index (UVI) for Detroit in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Detroit typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Detroit August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Detroit Compares to Other Months

Weather in Detroit varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Detroit, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Detroit, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)90 mm (3.5 inches)80%moderate
February Weather9°C (48°F)140 mm (5.5 inches)79%high
March Weather14°C (58°F)136 mm (5.3 inches)78%very high
April Weather17°C (63°F)209 mm (8.2 inches)78%very high
May Weather22°C (72°F)192 mm (7.6 inches)81%extreme
June Weather26°C (80°F)107 mm (4.2 inches)78%extreme
July Weather28°C (83°F)70 mm (2.8 inches)73%extreme
August Weather28°C (83°F)95 mm (3.8 inches)66%extreme
September Weather25°C (78°F)83 mm (3.3 inches)65%very high
October Weather19°C (66°F)137 mm (5.4 inches)72%very high
November Weather12°C (54°F)66 mm (2.6 inches)82%high
December Weather10°C (50°F)106 mm (4.2 inches)87%moderate

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