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July Weather in Detroit, United States

Last updated: June 24, 2025

In July, the average temperature in Detroit, United States is a warm 28°C (83°F). Expect temperatures to range from a comfortable 17°C (63°F) at night to a scorching 41°C (106°F) during the day. Be prepared for some rain, with a total precipitation of 70 mm (2.8 in) over about 10 days. With an average humidity level of 73%, the air can feel quite sticky, making hydration essential for enjoying your time outdoors!

July Temperature in Detroit

In July in Detroit, the average temperature is 28°C (83°F). The maximum can reach 41°C (106°F), while the minimum can drop as low as 17°C (63°F). This makes Detroit an ideal destination for travelers seeking warmth and sunshine during this time of year.

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

The chart illustrates July 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, July typically has an average temperature of 28°C (83°F), with highs reaching up to 41°C (106°F) and lows dropping to around 17°C (63°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.

July Precipitation in Detroit

In Detroit in July, the precipitation amount is 70 mm (2.8 in) over a period of 10 days.

July Precipitation Trends in Detroit

The chart displays monthly precipitation patterns in Detroit, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Detroit, July typically receives around 70 mm (2.8 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9014013620919210770958313766106
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
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July Humidity in Detroit

In Detroit in July, humidity is 73%. With an average temperature of 28°C (83°F), this humidity feels like a thick blanket enveloping your skin, making travel feel heavy and stifling, often requiring frequent breaks in shaded or air-conditioned areas to stay comfortable.

July Average Humidity in Detroit

This chart illustrates the average monthly humidity levels in Detroit, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Detroit is approximately 73%, 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 July generated using information from the Copernicus Climate Change Service.

July UV Index in Detroit

In Detroit in July, 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 July

The chart shows the monthly maximum UV Index (UVI) for Detroit in July, 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 July, the maximum UV index in Detroit typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec468101111111110864
Data source: Detroit July 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 July 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 July’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 July’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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