Guadalupe, AZ 85284 Frost Dates
When can you plant in Guadalupe, AZ?
Around 02/13 is the usual last spring frost, about 169 days away. The first fall frost typically arrives around 12/05, about 298 frost-free days later.
The USDA Plant Hardiness Zone Map puts Guadalupe in Zone 9b (25 to 30°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 14 weeks of growing season left in Guadalupe before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Guadalupe's last frost
02/13 is the middle of 30 years of NOAA records, not a promise. Plant by 01/12 and you're betting against frost in roughly 9 years out of 10. 03/09 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Guadalupe compares
Guadalupe's growing season runs about 298 days, ranking 4,209 of 40,283 US ZIP codes measured here, longest to shortest. Within AZ, it ranks 275 of 506.
Learn more
local microclimates covers what one yard in Guadalupe can differ from the 85284 normal. zone vs. frost date covers why Zone 9b and Guadalupe's frost date answer different questions.