City break

Detroit weather in July

Temperature, rain and sunshine in July: long-term averages from 30 years of weather data, not a forecast.

84

Holiday weather in July

Excellent

Best time to visit: May – September

What is the weather like in Detroit in July?

In July, Detroit is hot: daytime highs average 27 °C, and nights cool down to about 19 °C. With around 9 hours of sunshine a day, there is plenty of sun. Rain is frequent, with about 11 rainy days and 81 mm in total. On about 6 days the thermometer climbs to 30 °C or more. All in all, July is an excellent month for a holiday in Detroit.

July compared

How the weather changes from June to August. Tap a month to open it.

JuneJunJulyJulAugustAug
Score848484
Day25°27°26°
Night17°19°19°
Sun9 h9 h8 h
Rain days11119

More details for July

Daylight
15 h 0 min06:08 – 21:08
UV index
9 · very highclear sky, noon (estimate)All months
Muggy days
12 daysdew point 18 °C or moreAll months
Wind
18 km/haverage daily peakAll months
Cloud cover
49 %on averageAll months
Hot days
6 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC−4America/Detroit

How the score comes together

  • Temperatureweight 50 %96 %
  • Sunshineweight 20 %100 %
  • Few rainy daysweight 30 %54 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in July

  • Sunscreen
  • Sunglasses & sun hat
  • Light, breathable clothes
  • Rain jacket or umbrella

Detroit in July: quick answers

Is Detroit hot in July?

Yes. In July, Detroit is hot: daytime highs average 27 °C and nights stay around 19 °C. On about 6 days the thermometer climbs to 30 °C or more.

Does it rain much in Detroit in July?

Rain is frequent, with about 11 rainy days and 81 mm in total.

Detroit month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences