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Frost dates for West Valley City, Utah

In a typical year, West Valley City’s last spring frost lands around Apr 8 and the first fall frost around Oct 31, a growing season of about 206 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 7b.

Right now the growing season is open, with about 6 days until the typical first fall frost.

Last spring frost and first fall frost odds for West Valley City, Utah
OddsLast spring frostFirst fall frost
10 percentMar 17Oct 17
50 percentApr 8Oct 31
90 percentApr 30Nov 13

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 West Valley City 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 West Valley City, Utah?

West Valley City’s last spring frost falls around April 8 in a typical year. One year in ten it is done by March 17, and one year in ten frost holds on until April 30. Frost-sensitive planting usually waits for the late side of that band.

When is the first fall frost in West Valley City?

The first fall frost arrives around October 31 in a typical year, as early as October 17 in an early year and as late as November 13 in a late one.

How long is the growing season in West Valley City?

About 206 days, counted between the typical last spring frost and the typical first fall frost.

What USDA zone is West Valley City in?

West Valley City is in USDA hardiness zone 7b 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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