Avondale, AZ 85063 Frost Dates
85063, near Avondale, AZ: the frost window
The last spring frost here typically falls around 01/14, about 139 days from today. Fall's first freeze usually shows up around 12/22, roughly 343 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Avondale in Zone 9b (25 to 30°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
Avondale's growing season runs out in roughly 17 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 01/14 isn't a guarantee
01/14 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/12 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/19 and only about 1 year in 10 sees frost after that.
Avondale against the rest of the dataset
At roughly 343 frost-free days, Avondale places 2,478 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 92 of 506.
Learn more
Two guides worth reading on 85063: local microclimates, on what one yard in Avondale can differ from the 85063 normal, and zone vs. frost date, on why Zone 9b and Avondale's frost date answer different questions.