Sahuarita, AZ 85754 Frost Dates
Frost dates for Sahuarita, AZ, ZIP 85754
The last spring frost here typically falls around 04/26, about 241 days from today. The first fall frost typically arrives around 11/04, about 195 frost-free days later.
The USDA Plant Hardiness Zone Map puts Sahuarita 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
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.
The actual range around Sahuarita's last frost
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
At roughly 195 frost-free days, Sahuarita places 19,186 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 411 of 506.
Learn more
zone vs. frost date explains why Zone 9b and Sahuarita's frost date answer different questions, and the frost range explains how to read the range around Sahuarita's dates instead of trusting one.