Detroit, United States skyline

Detroit Weather in July

The usual July conditions in Detroit, United States, drawn from 2006–2025 records.

Detroit in July: highs near 27.8°C (82°F), lows near 19.2°C (66.6°F), roughly 11 rainy days adding up to 88 mm, and 12.6 hours of sunshine on an average day.

Avg high

27.8°C (82°F)

Avg low

19.2°C (66.6°F)

Rainfall

88 mm (3.4 in)

Rainy days

11 days

Sunshine

12.6 h / day

Humidity

69%

July vs the rest of the year

No month in Detroit is warmer than July; for rain it is the 2nd wettest month.

MonthAvg highvs JulyRainRainy days
January0°C (32°F)−27.8°C (−50°F)63 mm10
February0.8°C (33.4°F)−27°C (−48.6°F)60 mm9
March7.1°C (44.8°F)−20.7°C (−37.3°F)71 mm10
April13.4°C (56.1°F)−14.4°C (−25.9°F)90 mm12
May20.2°C (68.4°F)−7.6°C (−13.7°F)86 mm12
June25.6°C (78.1°F)−2.2°C (−4°F)86 mm12
July27.8°C (82°F)—88 mm11
August26.6°C (79.9°F)−1.2°C (−2.2°F)84 mm9
September22.9°C (73.2°F)−4.9°C (−8.8°F)71 mm9
October16°C (60.8°F)−11.8°C (−21.2°F)79 mm11
November8.5°C (47.3°F)−19.3°C (−34.7°F)62 mm8
December3.1°C (37.6°F)−24.7°C (−44.5°F)69 mm10

What July feels like in Detroit

July is the height of summer in Detroit — the warmest month of the year. Days are warm enough for short sleeves, and time outdoors is easy. After dark the temperature drops clearly: nights stay warm. The air carries some moisture, so hot spells feel a little sticky.

Rain in Detroit in July

Showers are a regular feature, arriving about one day in 3. A rainy day brings about 8 mm (0.3 in) on average — steady rain rather than a passing shower. Across the year Detroit averages about 7.4 mm per rainy day, so July is typical. It is among the three wettest months of the year.

Daylight and sunshine in July

In mid-July, sunrise is at about 6:08 am and sunset at about 9:08 pm (local time) — 15 h of daylight. Compared with mid-June, the day has lost 15 min. The sun is out for roughly 84% of those daylight hours, so skies are mostly clear.

How July compares to the rest of the year

July is the warmest month of the year in Detroit. Compared with June, afternoons are 2.2°C (4°F) warmer, with 1 mm more rain. After this the year turns: August is already cooler. By August, typical highs are 26.6°C (79.9°F).

Who July suits

  • Sightseeing: a good fit — comfortable enough to explore on foot all day.
  • Parks & outdoor: less ideal — afternoons are too warm to linger outside.

Tips for visiting Detroit in July

Versatile Layers

Mornings and evenings are cooler than midday, so dress in layers.

Rain Protection

Keep a small umbrella in your bag and wear shoes that cope with puddles.

Sunglasses

Bright days make sunglasses worth packing.

Quick questions

How warm is Detroit in July?

It feels warm: typical highs are 27.8°C (82°F), with lows near 19.2°C (66.6°F).

Does it rain a lot in Detroit in July?

Quite a lot — 88 mm spread over about 11 days.

What should I wear in Detroit in July?

Pack versatile layers, rain protection and sunglasses. There is little need to change for the evening.

Is July or August better for visiting Detroit?

August, clearly: it ranks #1 of 12 among Detroit's months, against #5 for the other. August is cooler and has fewer rainy days.

Is July a good time to visit Detroit?

Good

Good — warm to hot days, frequent rain (about 11 rainy days), plenty of sunshine (12.6 h a day). Within Detroit's own year, July ranks #5 of 12.

July in other United States cities

Drier places in July

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Monthly averages from 20 years of Open-Meteo history (2006–2025), not a forecast — see all 12 months in Detroit weather by month.