Sedona, AZ 86339 Frost Dates
Frost dates for Sedona, AZ, ZIP 86339
Typically, the last spring freeze lands around 04/14, roughly 229 days out. The first fall frost typically arrives around 11/05, about 204 frost-free days later.
Zone 8b (15 to 20°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 Sedona, not a forecast for this year.
What to do before the first frost
Zone 8b around Sedona 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 Sedona's last frost
04/14 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sedona compares
At roughly 204 frost-free days, Sedona places 16,546 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 377 of 506.
Learn more
zone vs. frost date explains why Zone 8b and Sedona's frost date answer different questions, and the frost range explains how to read the range around Sedona's dates instead of trusting one.