Plant By Frost

Arizona

Frost dates for Cascabel, AZ

At this NOAA station the last spring frost (32°F) usually comes by April 24 and the first fall frost around October 31, giving a growing season of about 187 days.

April 24average last spring frost
October 31average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanMay 9
Half of years the last spring frost is later thanApril 24
9 years in 10 the last spring frost is later thanApril 9
1 year in 10 the first fall frost is earlier thanOctober 14
Half of years the first fall frost is earlier thanOctober 31
9 years in 10 the first fall frost is earlier thanNovember 15

A hard freeze (28°F) usually ends by April 9 and returns around November 10.

A light frost (36°F, which can still nip tender plants) usually ends by May 6 and returns around October 22.

Station USC00021330, elevation 974 m. Based on 20 years of 1991 to 2020 records. A garden higher up, in a hollow or far from this station can freeze later in spring.

Check another ZIP

Sources

  1. U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
  2. Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
  3. 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026