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Concrete Pouring Weather in Massachusetts: Best Months by City

Concrete Pouring season in Massachusetts, city by city: peak months, season boundaries, and annual workable-day counts from NOAA 1991–2020 normals. Boston leads with 139 workable days a year; Springfield runs the shortest at 100.

Massachusetts is not one climate: Boston banks 139 workable concrete pouring days a year while Springfield 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 (40–90°F, nights 40°F+).

If one month anchors the Massachusetts calendar it's August, 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 concrete pouring guide for the physics behind each rule.

Cities in Massachusetts

Peak months and season boundaries from NOAA 1991–2020 normals; season = months with at least 8 workable days.
CityPeak monthsSeasonWorkable days/yr
Boston Aug, Jul, Sep April–October 139
Worcester Aug, Sep, Jul May–October 115
Springfield Jul, Aug, Sep May–October 100
New Bedford Jul, Aug, Jun May–October 108
Cambridge Aug, Jul, Sep April–October 139
Lowell Aug, Sep, Jul May–October 109
Leominster Aug, Jul, Sep May–October 102
Brockton Aug, Jul, Sep May–October 122
Quincy Aug, Sep, Jul May–October 121
Lynn Aug, Jul, Sep May–October 123
Fall River Jul, Aug, Jun May–October 108
Newton Aug, Jul, Sep May–October 109
Lawrence Aug, Jul, Sep May–October 116
Somerville Aug, Jul, Sep April–October 139

The rules behind these numbers

Typical label thresholds for concrete pouring — the single ruleset used by every check on this page.
CheckThresholdWhy 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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