Eagar, AZ 85938 Frost Dates
Frost dates for Eagar, AZ, ZIP 85938
Typically, the last spring freeze lands around 06/05, roughly 281 days out. The first fall frost typically arrives around 09/29, about 113 frost-free days later.
Zone 6b (-5 to 0°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 Eagar, not a forecast for this year.
What to do before the first frost
Zone 6b around Eagar has about 5 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
06/05 is the middle of 30 years of NOAA records, not a promise. Plant by 05/24 and you're betting against frost in roughly 9 years out of 10. 06/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Eagar compares
At roughly 113 frost-free days, Eagar places 39,389 of 40,283 ZIP codes in this dataset. Within AZ, it ranks 496 of 506.
Learn more
the frost range explains how to read the range around Eagar's dates instead of trusting one, and local microclimates explains what one yard in Eagar can differ from the 85938 normal.