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Frost dates for Gilbert, Arizona

In a typical year, Gilbert’s last spring frost lands around Feb 1 and the first fall frost around Dec 10, a growing season of about 312 days. These are odds drawn from 30-year NOAA climate normals, not a promise. USDA zone 9b.

Last spring frost and first fall frost odds for Gilbert, Arizona
OddsLast spring frostFirst fall frost
10 percentJan 1Nov 22
50 percentFeb 1Dec 10
90 percentFeb 28Jan 1

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 Gilbert is typically around 90°F at 4 inches this time of year, estimated from the last two weeks of normal air temperatures.

Plantable now in Gilbert

Timing comes from the same temperature engine the app uses, run against Gilbert’s normals for today.

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