FrostDateCheck

Avondale, AZ 85076 Frost Dates

Avondale, AZ: when does the frost end?

Zone 9b

Around 01/14 is the usual last spring frost, about 139 days away. Fall's first freeze usually shows up around 12/22, roughly 343 days after the last spring frost.

Avondale sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.

Stretching the season past the first frost

With roughly 17 weeks until Avondale's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.

The actual range around Avondale's last frost

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 2,491 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 105 of 506.

Learn more

Before leaning on 85076's figures: local microclimates explains what one yard in Avondale can differ from the 85076 normal, while zone vs. frost date explains why Zone 9b and Avondale's frost date answer different questions.