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Exterior Painting · state guide

Exterior Painting Weather in South Dakota: Best Months by City

Exterior Painting season in South Dakota, city by city: peak months, season boundaries, and annual workable-day counts from NOAA 1991–2020 normals. Sioux Falls leads with 112 workable days a year; Rapid City runs the shortest at 105.

3 South Dakota cities, ranked by season

South Dakota is not one climate: Sioux Falls banks 112 workable exterior painting days a year while Rapid City gets 105 — 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 35°F+).

If one month anchors the South Dakota calendar it's September, 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 exterior painting guide for the physics behind each rule.

The exterior painting circuit continues: South Carolina is the previous state on the loop, Tennessee the next.

Cities in South Dakota

Peak months and season boundaries from NOAA 1991–2020 normals; season = months with at least 8 workable days.
CityPeak monthsSeasonWorkable days/yr
Sioux Falls Aug, Sep, Jul May–October 112
Rapid City Sep, Aug, Jul May–September 105
Pierre Sep, Aug, Jul May–September 110

Top 3 South Dakota calendars for exterior painting

The rules behind these numbers

Typical label thresholds for exterior painting — the single ruleset used by every check on this page.
CheckThresholdWhy it matters
Air temperature 50–90°F (low-temp formulas from 35°F) Standard latex wants 50°F+. Some low-temperature formulas are rated down to 35°F.
Overnight low ≥35°F during the first 24 h (≥40°F preferred) Paint keeps curing overnight; a low under 40°F stalls standard latex.
Dry before ≤0.05" rain in the prior 12 h; watch back to 24 h The surface must be dry to the touch and out of a recent soak.
Dry after <0.05" rain for 24 h after Rain inside the first 24 hours can streak or wash fresh paint.
Evening dew-point spread ≥5°F from 6–11 pm Surface should stay at least 5°F above the dew point; dew flat-spots fresh paint.
Daytime humidity ≤80% High humidity extends recoat and cure times.
Wind ≤15 mph (brush only up to 20 mph) Wind dries the leading edge too fast and carries overspray.

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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