Cave Creek, AZ 85324 Frost Dates
Cave Creek, AZ: when does the frost end?
Around 04/05 is the usual last spring frost, about 220 days away. Fall's first freeze usually shows up around 11/17, roughly 221 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Cave Creek in Zone 9a (20 to 25°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
With roughly 12 weeks until Cave Creek's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Cave Creek's last frost
04/05 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/09 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/24 and only about 1 year in 10 sees frost after that.
Cave Creek against the rest of the dataset
About 221 days separate Cave Creek's last and first frost, putting it 12,500 of 40,283 ZIP codes nationally. Within AZ, it ranks 348 of 506.
Learn more
Before leaning on 85324's figures: the frost range explains how to read the range around Cave Creek's dates instead of trusting one, while local microclimates explains what one yard in Cave Creek can differ from the 85324 normal.