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Driveway Sealing · state guide

Driveway Sealing Weather in Michigan: Best Months by City

Driveway Sealing season in Michigan, city by city: peak months, season boundaries, and annual workable-day counts from NOAA 1991–2020 normals. Detroit leads with 92 workable days a year; Ann Arbor runs the shortest at 70.

19 Michigan cities, ranked by season

Across Michigan's 19 listed cities, annual workable days for driveway sealing run from 70 (Ann Arbor) up to 92 (Detroit). Every number comes from NOAA 1991–2020 normals scored against the same label ruleset; every city name links to its live 10-day check.

If one month anchors the Michigan calendar it's July, the statewide leader in workable days. Use this page to pick the month, then the city page's 10-day strip to pick the days — and the national driveway sealing guide for the physics behind each rule.

The driveway sealing circuit continues: Massachusetts is the previous state on the loop, Minnesota the next.

Cities in Michigan

Peak months and season boundaries from NOAA 1991–2020 normals; season = months with at least 8 workable days.
CityPeak monthsSeasonWorkable days/yr
Detroit Aug, Jul, Sep May–September 92
Grand Rapids Jul, Aug, Jun June–September 77
Lansing Aug, Jul, Jun June–September 84
Ann Arbor Aug, Jul, Jun June–September 70
Flint Jul, Aug, Jun June–September 79
Kalamazoo Jul, Aug, Jun June–September 78
Muskegon Aug, Jul, Jun June–September 86
South Lyon Aug, Jul, Jun June–September 72
Warren Aug, Jul, Sep May–September 92
Sterling Heights Aug, Jul, Jun June–September 82
Saginaw Jul, Aug, Jun June–September 83
Dearborn Aug, Jul, Jun June–September 83
Holland Jul, Aug, Jun June–September 80
Livonia Aug, Jul, Jun June–September 78
Troy Aug, Jul, Jun May–September 87
Westland Aug, Jul, Sep May–September 90
Farmington Hills Aug, Jul, Jun June–September 78
Jackson Jul, Aug, Jun June–September 81
Port Huron Aug, Jul, Sep June–September 90

Top 10 Michigan calendars for driveway sealing

The rules behind these numbers

Typical label thresholds for driveway sealing — the single ruleset used by every check on this page.
CheckThresholdWhy it matters
Air temperature 55–90°F, and rising Sealer wants 55°F and rising — pavement must be warm enough to cure the emulsion.
Overnight low ≥50°F during the first 24 h The first 24 hours of cure need overnight lows of 50°F or better.
Dry before ≤0.05" rain in the prior 24 h Asphalt must be fully dry; sealer will not bond to damp pavement.
Dry after <0.05" rain for 36 h after (48 h cool or shaded driveways want 48 h) Most sealers list 24–48 dry hours; this site checks 36.
Evening dew-point spread ≥5°F from 6–11 pm Heavy evening dew can blush an uncured sealcoat.
Daytime humidity ≤85% Water-based sealer dries by evaporation; humid air stalls it.
Wind ≤20 mph (dust and debris in wet sealer up to 28 mph) Strong wind drops leaves and grit into the wet coat.

Always follow your product label — formulas vary. The table above is the typical range across major manufacturers, not a promise about your can.

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