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City guide · Michigan

Outdoor Project Weather in Detroit, MI

One forecast, six label checks. Today's verdict for every task in Detroit loads above; the matrix below shows the whole year at a glance, computed from NOAA 1991–2020 normals at Detroit City Ap, Mi Us. The friendliest calendar here belongs to lawn seeding (220 workable days a year).

Six tasks · one forecast · Michigan

JulyBest overall month
Lawn SeedingFriendliest task
817 task-daysWorkable task-days/yr
6Tasks tracked
Average of all six tasks

Today at a glance

Verdicts load live from the 10-day forecast; without JavaScript this column stays blank and the year-round matrix below still answers the planning question.
Task	Today	Best months here	Full 10-day check
Deck Staining	—	Aug, Jul, Sep	Stain a Deck in Detroit →
Exterior Painting	—	Aug, Jul, Sep	Paint Outside in Detroit →
Driveway Sealing	—	Aug, Jul, Sep	Seal a Driveway in Detroit →
Concrete Pouring	—	Aug, Jul, Sep	Pour Concrete in Detroit →
Roof Coating	—	Aug, Jul, Sep	Coat a Roof in Detroit →
Lawn Seeding	—	May, Jul, Aug	Seed a Lawn in Detroit →

Keep the tour going — compare this calendar with Dearborn, MI behind you or Farmington Hills, MI up next.

Project weather, month by month

Workable days per month by task, from NOAA 1991–2020 normals for DETROIT CITY AP, MI US. Darker = more workable days.
Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Deck Staining	0	0	0	6	18	20	21	21	21	19	0	0
Exterior Painting	0	0	0	6	18	20	21	21	21	19	0	0
Driveway Sealing	0	0	0	0	9	20	21	21	21	1	0	0
Concrete Pouring	0	0	0	6	18	20	21	21	21	19	0	0
Roof Coating	0	0	0	6	18	20	21	21	21	19	0	0
Lawn Seeding	0	0	0	25	31	30	31	31	30	31	11	0

Which task gets the most weather in Detroit?

Lawn Seeding220days/yr
Deck Staining126days/yr
Exterior Painting126days/yr
Concrete Pouring126days/yr
Roof Coating126days/yr
Driveway Sealing93days/yr

The composite season in Detroit opens around April and closes after November: coatings wait on warm nights, concrete on freeze-free 48-hour stretches, seeding on the 55–80°F germination band. Between those bookends, the right question is which task fits this week — which is what the verdicts above answer.

Deepest calendar first: start with lawn seeding in Detroit (220 workable days a year), then work down the matrix.

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Full 10-day checks

Michigan

Climatology: NOAA 1991–2020 normals via DETROIT CITY AP, MI US (8.1 km from Detroit center); live outlook by Open-Meteo.