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Frost dates for Provo, Utah

In a typical year, Provo’s last spring frost lands around Apr 18 and the first fall frost around Oct 21, a growing season of about 186 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 7a.

Right now the typical frost season has arrived; planting waits for spring.

Last spring frost and first fall frost odds for Provo, Utah
OddsLast spring frostFirst fall frost
10 percentMar 31Oct 7
50 percentApr 18Oct 21
90 percentMay 5Nov 4

A 10 percent year is an early year, a 90 percent year a late one. Frost-sensitive planting usually waits for the 90 percent side of the last-frost band.

Soil in Provo is typically around 53°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.

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Common questions

When is the last frost in Provo, Utah?

Provo’s last spring frost falls around April 18 in a typical year. One year in ten it is done by March 31, and one year in ten frost holds on until May 5. Frost-sensitive planting usually waits for the late side of that band.

When is the first fall frost in Provo?

The first fall frost arrives around October 21 in a typical year, as early as October 7 in an early year and as late as November 4 in a late one.

How long is the growing season in Provo?

About 186 days, counted between the typical last spring frost and the typical first fall frost.

What USDA zone is Provo in?

Provo is in USDA hardiness zone 7a under the 2023 USDA Plant Hardiness Zone Map.

Dates come from 30-year NOAA climate normals for the nearest reporting station. They describe odds, not a forecast.

Nearby cities

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