FrostDateCheck

Avondale, AZ 85011 Frost Dates

When can you plant in Avondale, AZ?

Zone 10a

Around 01/14 is the usual last spring frost, about 139 days away. The first fall frost typically arrives around 12/22, about 343 frost-free days later.

The USDA Plant Hardiness Zone Map puts Avondale in Zone 10a (30 to 35°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

About 17 weeks of growing season left in Avondale before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.

The actual range around Avondale's last frost

01/14 is the middle of 30 years of NOAA records, not a promise. Plant by 02/12 and you're betting against frost in roughly 9 years out of 10. 12/19 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Avondale compares

About 343 days separate Avondale's last and first frost, putting it 2,468 of 40,283 ZIP codes nationally. Within AZ, it ranks 82 of 506.

Learn more

local microclimates covers what one yard in Avondale can differ from the 85011 normal. zone vs. frost date covers why Zone 10a and Avondale's frost date answer different questions.