Paradise Valley, AZ 85016 Frost Dates
Frost dates for Paradise Valley, AZ, ZIP 85016
Around 01/05 is the usual last spring frost, about 130 days away. The first fall frost typically arrives around 01/03, about 365 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 18 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.
The actual range around Paradise Valley's last frost
01/05 is the middle of 30 years of NOAA records, not a promise. Plant by 01/22 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 Paradise Valley compares
Paradise Valley's growing season runs about 365 days, ranking 1,695 of 40,283 US ZIP codes measured here, longest to shortest. Within AZ, it ranks 19 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 85016 normal.