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Deck Staining Weather in Michigan: Best Months by City

Deck Staining season in Michigan, city by city: peak months, season boundaries, and annual workable-day counts from NOAA 1991–2020 normals. Detroit leads with 126 workable days a year; Ann Arbor runs the shortest at 100.

Michigan is not one climate: Detroit banks 126 workable deck staining days a year while Ann Arbor gets 100 — a spread the table below itemizes month by month. Season boundaries mark the first and last month averaging 8+ workable days against the label rules (50–90°F, nights 40°F+).

Statewide, July is the strongest month — it tops or ties the table in most listed cities. The live strips on each city page decide the week; this table decides the month. Scoring rules: methodology; the national playbook: the deck staining guide.

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–October 126
Grand Rapids Jul, Aug, Sep May–October 107
Lansing Aug, Jul, Sep May–October 122
Ann Arbor Aug, Jul, Sep May–September 100
Flint Jul, Aug, Sep May–October 113
Kalamazoo Jul, Aug, Jun May–October 112
Muskegon Aug, Jul, Sep May–October 123
South Lyon Aug, Jul, Sep May–October 104
Warren Aug, Jul, Sep May–October 126
Sterling Heights Aug, Jul, Sep May–October 118
Saginaw Jul, Aug, Sep May–October 118
Dearborn Aug, Jul, Sep May–October 119
Holland Jul, Aug, Jun May–October 115
Livonia Aug, Jul, Sep May–October 111
Troy Aug, Jul, Sep May–October 118
Westland Aug, Sep, Jul May–October 125
Farmington Hills Aug, Jul, Sep May–October 111
Jackson Jul, Aug, Sep May–October 118
Port Huron Aug, Jul, Sep May–October 123

The rules behind these numbers

Typical label thresholds for deck staining — the single ruleset used by every check on this page.
CheckThresholdWhy it matters
Air temperature 50–90°F Air temperature while applying and for the first hours of dry time.
Overnight low ≥40°F during the first 24 h Overnight low during the cure window.
Dry before ≤0.05" rain in the prior 24 h; watch back to 48 h Wood must dry out after rain before it can absorb stain.
Dry after <0.05" rain for 24 h after (48 h oil-based formulas want 48 h dry) Water-based stains need roughly 24 dry hours; oil-based closer to 48.
Evening dew-point spread ≥5°F from 6–11 pm Temperature minus dew point from 6 pm to 11 pm. A small spread means dew will settle on fresh stain.
Daytime humidity ≤85% Daytime relative humidity slows dry time.
Wind ≤15 mph (brush or pad only up to 20 mph) Above 15 mph, spraying drifts; above 20 mph, dust and debris land in wet stain.

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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