Last updated: October 2026
Quick answer
Yes, you can pour a concrete driveway in winter if the ground is not frozen, the mix is warm, the slab is covered with insulated blankets and it stays above about 50°F for the first days of curing. Fresh concrete must never freeze before it gains strength. In hard freezes, frozen ground or snow, the right call is to wait for spring. Call (435) 915-7985 for an honest answer.
The short version
People in northern Utah ask whether a driveway or patio can be poured in November, February or March. The honest answer is sometimes. Concrete gains strength through a chemical reaction that slows as it gets colder and effectively stops if the concrete freezes. Fresh concrete that freezes in the first day or two can lose permanent strength and surface quality. With planning, cold-weather practices let crews place and protect concrete in cool conditions; with a hard freeze or frozen ground, the correct decision is to wait.
What counts as cold weather?
Industry guidance such as ACI 306 defines cold weather as an average daily temperature below about 40 degrees F for three days in a row, or air temperatures falling below 50 degrees F for more than half of any 24-hour period. In Cache Valley that describes much of November through March and the shoulder weeks on either side. Concrete placed in those conditions needs a plan.
What we check before a cold-weather pour
- Ground: it must not be frozen or covered in snow and ice. Frozen ground thaws under the slab and settles.
- Forecast: lows, highs, wind and precipitation for at least the first three days.
- Mix: air-entrained, with water kept low and, where appropriate, an accelerator that does not use calcium chloride on reinforced work.
- Temperature: warm mix water or heated materials, so the delivered concrete is within the target range.
- Protection: insulating blankets, windbreaks and, for large slabs, heated enclosures.
- Curing: moisture retained, no rapid cooling, and no early use of salt.
Typical protection plans
For a small patio in mild cool weather, insulated blankets over the finished slab may be enough. For a larger slab with nights near freezing, we may add heaters and enclosures, or we may reschedule. Blankets should go on as soon as the surface can bear them and stay for several days. Thin sections and exposed edges lose heat fastest, so corners and edges get extra attention. Avoid using unvented heaters that put carbon dioxide on the surface, which can cause a soft, dusty layer.
Why we sometimes say no
Concrete that looks fine on pour day but freezes in the first night can show scaling, weak surface and early failure. We would rather reschedule than pour into a failure. Conditions that make us postpone include frozen or snowy ground, forecast lows well below freezing without a protection plan, strong wind and storms, and trucks that cannot deliver at the right temperature. A pour delayed two weeks costs far less than a slab replaced in two years.
Cure time in the cold
Cold concrete gains strength slowly. A driveway that can handle a car after about a week in summer may need longer in cold weather. Keep traffic off until we confirm that strength is adequate. Do not use de-icers on the new slab, as covered in the de-icing guide.
Planning around the seasons
If you can, pour between late spring and early fall. If you have a project that must be done in cooler months, call early. Tell us about the area, the finish you want and any deadlines. The winter guide explains why drainage and mix matter, and the process guide covers how scheduling works. Projects in colder spots like Richmond and Lewiston are more likely to be postponed than those in Logan.
What homeowners can do to help
If a winter or shoulder-season pour is planned, clear snow from the work area, keep driveways open for trucks, let us know about nearby power for heaters and avoid pulling vehicles onto the slab until we say so. Do not rely on rock salt to melt ice on new concrete. Cover sensitive plants and keep sprinklers off. If we call the pour off the night before, it is because the forecast changed; we will rebook as soon as the weather allows.
Frequently asked questions
What is the lowest temperature for pouring concrete?
There is no single cutoff. Guidance focuses on keeping concrete above about 50 degrees F in the early curing period and never letting it freeze before it has gained strength. The ground must not be frozen.
Can you add antifreeze to concrete?
Cold-weather admixtures such as accelerators help it set faster, but they do not prevent freezing damage by themselves. Protection and temperature control are still necessary.
Do you pour in winter?
We pour when conditions allow with a protection plan and postpone when they do not. We will tell you the reason for any delay.
How long should blankets stay on?
Typically at least several days, longer for thin or exposed slabs and for colder weather.
Can you pour a concrete driveway in winter?
Yes, with precautions: unfrozen and snow-free subgrade, a heated or accelerated mix, insulated blankets or enclosures, and protection from freezing for several days. Many Cache Valley driveways are simply scheduled for spring because base work and cold protection add cost and risk.
Is it better to wait until spring to pour a driveway?
Often, yes. Spring through fall gives better curing, easier base work and no blanket costs. Winter pours make sense when the work cannot wait and the forecast allows proper protection.