Paradise Valley, AZ 85254 Frost Dates
Frost dates for Paradise Valley, AZ, ZIP 85254
Around 01/06 is the usual last spring frost, about 131 days away. The first fall frost typically arrives around 12/26, about 353 frost-free days later.
Zone 10a (30 to 35°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Paradise Valley, not a forecast for this year.
What to do before the first frost
Zone 10a around Paradise Valley has about 17 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
How much risk comes with planting early here
01/06 is the middle of 30 years of NOAA records, not a promise. Plant by 02/07 and you're betting against frost in roughly 9 years out of 10. 12/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Paradise Valley compares
At roughly 353 frost-free days, Paradise Valley places 2,242 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 62 of 506.
Learn more
the frost range explains how to read the range around Paradise Valley's dates instead of trusting one, and local microclimates explains what one yard in Paradise Valley can differ from the 85254 normal.