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Deck Staining Weather in Louisiana: Best Months by City

Deck Staining season in Louisiana, city by city: peak months, season boundaries, and annual workable-day counts from NOAA 1991–2020 normals. Slidell leads with 249 workable days a year; Monroe runs the shortest at 145.

Louisiana is not one climate: Slidell banks 249 workable deck staining days a year while Monroe gets 145 — 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, October 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 Louisiana

Peak months and season boundaries from NOAA 1991–2020 normals; season = months with at least 8 workable days.
CityPeak monthsSeasonWorkable days/yr
New Orleans Oct, May, Apr September–June 215
Baton Rouge Oct, Apr, May September–June 207
Shreveport Oct, May, Nov February–May 146
Lafayette Oct, Mar, Apr September–May 207
Lake Charles Oct, Mar, Apr September–May 196
Metairie Oct, Apr, Mar September–June 206
Houma Apr, May, Mar September–June 207
Mandeville Oct, May, Nov August–June 233
Monroe Oct, Nov, May February–May 145
Slidell Oct, May, Apr year-round 249

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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