Concrete Pouring Weather in Wisconsin: Best Months by City
Concrete Pouring season in Wisconsin, city by city: peak months, season boundaries, and annual workable-day counts from NOAA 1991–2020 normals. Milwaukee leads with 118 workable days a year; Appleton runs the shortest at 107.
Across Wisconsin's 8 listed cities, annual workable days for concrete pouring run from 107 (Appleton) up to 118 (Milwaukee). Every number comes from NOAA 1991–2020 normals scored against the same label ruleset; every city name links to its live 10-day check.
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 concrete pouring guide.
Cities in Wisconsin
| City | Peak months | Season | Workable days/yr |
|---|---|---|---|
| Milwaukee | Aug, Jul, Sep | May–October | 118 |
| Madison | Aug, Sep, Jul | May–October | 111 |
| Appleton | Aug, Sep, Jul | May–October | 107 |
| Green Bay | Aug, Sep, Jul | May–October | 108 |
| Racine | Jul, Aug, Sep | May–October | 118 |
| Kenosha | Jul, Aug, Sep | May–October | 109 |
| Eau Claire | Aug, Jul, Sep | May–October | 109 |
| La Crosse | Aug, Jul, Sep | May–October | 108 |
The rules behind these numbers
| Check | Threshold | Why it matters |
|---|---|---|
| Air temperature | 40–90°F — ideal 50–85°F | DIY pours work from 40–90°F; 50–85°F is the sweet spot. |
| Overnight low | ≥40°F during the first 48 h | A low under 40°F inside the first 48 hours puts you in cold-weather concreting — not a DIY window. |
| Dry before | no soaking (≥1.0") in the prior 24 h | Rain before the pour only matters if the ground is soaked or standing in water. |
| Dry after | <0.1" rain for 6 h after (12 h light rain after finishing still risks surface marks) | A downpour in the first 6 hours can wash the surface; after final set, rain actually helps curing. |
| Wind | ≤20 mph (rapid surface drying up to 28 mph) | Hot wind pulls bleed water out faster than the slab can handle. |
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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