August Weather in Detroit, United States

Last updated: June 24, 2025

In Detroit, United States, the average temperature in August hovers around 20°C (69°F). Expect a minimum of 8°C (46°F) and highs reaching up to 33°C (92°F). With an average precipitation of 73 mm (2.9 in) spread over 9 days, the month boasts a relatively high humidity level of 74%. Prepare for a mix of mild and warm days while staying hydrated!

August Temperature in Detroit

In August in Detroit, the average temperature is 20°C (69°F), with maximums reaching 33°C (92°F) and minimums dipping as low as 8°C (46°F). This makes Detroit an ideal destination for travelers seeking pleasant and varied weather experiences.

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 20°C (69°F), with highs reaching up to 33°C (92°F) and lows dropping to around 8°C (46°F).

Data source: Temperature data for Detroit generated using information from the Copernicus Climate Change Service.

August Precipitation in Detroit

In Detroit in August, the precipitation amount is 73 mm (2.9 in), occurring over the course of 9 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 73 mm (2.9 inches) of precipitation spread over approximately 9 days.

Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

August Humidity in Detroit

In Detroit in August, humidity is 74%. With an average temperature of 20°C (69°F), this humidity feels like a warm blanket wrapping around you, making outdoor activities a bit sticky and requiring frequent breaks for hydration, but with the right pacing, you can still enjoy the sights and sounds of your surroundings.

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 74%, offering insight into how humid the weather typically is during this month.

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 is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to 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 8, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	-6°C (21°F)	86 mm (3.4 inches)	88%	low
February Weather	-5°C (24°F)	81 mm (3.2 inches)	88%	moderate
March Weather	-1°C (31°F)	71 mm (2.8 inches)	85%	moderate
April Weather	6°C (43°F)	121 mm (4.8 inches)	81%	high
May Weather	12°C (54°F)	91 mm (3.6 inches)	76%	very high
June Weather	18°C (64°F)	75 mm (2.9 inches)	74%	very high
July Weather	21°C (70°F)	103 mm (4.1 inches)	74%	very high
August Weather	20°C (69°F)	73 mm (2.9 inches)	74%	very high
September Weather	16°C (62°F)	70 mm (2.8 inches)	77%	high
October Weather	10°C (50°F)	119 mm (4.7 inches)	82%	moderate
November Weather	2°C (36°F)	111 mm (4.4 inches)	85%	moderate
December Weather	-4°C (26°F)	113 mm (4.5 inches)	84%	low