Guadalupe, AZ 85044 Frost Dates
Frost dates for Guadalupe, AZ, ZIP 85044
Around 01/21 is the usual last spring frost, about 146 days away. The first fall frost typically arrives around 12/16, about 331 frost-free days later.
The USDA Plant Hardiness Zone Map puts Guadalupe 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
Zone 10a around Guadalupe has about 16 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 Guadalupe's last frost
01/21 is the middle of 30 years of NOAA records, not a promise. Plant by 02/20 and you're betting against frost in roughly 9 years out of 10. 12/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Guadalupe compares
At roughly 331 frost-free days, Guadalupe places 2,956 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 185 of 506.
Learn more
the frost range explains how to read the range around Guadalupe's dates instead of trusting one, and local microclimates explains what one yard in Guadalupe can differ from the 85044 normal.