Sahuarita, AZ 85725 Frost Dates
Frost dates for Sahuarita, AZ, ZIP 85725
Around 04/26 is the usual last spring frost, about 241 days away. The first fall frost typically arrives around 11/04, about 195 frost-free days later.
Sahuarita sits in USDA Zone 9b (25 to 30°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
Zone 9b around Sahuarita has about 10 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
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/01 and you're betting against frost in roughly 9 years out of 10. 05/17 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sahuarita compares
Sahuarita's growing season runs about 195 days, ranking 19,179 of 40,283 US ZIP codes measured here, longest to shortest. Within AZ, it ranks 404 of 506.
Learn more
the frost range explains how to read the range around Sahuarita's dates instead of trusting one, and local microclimates explains what one yard in Sahuarita can differ from the 85725 normal.