FrostDateCheck

Eagar, AZ 85927 Frost Dates

Frost dates for Eagar, AZ, ZIP 85927

Zone 6a

The last spring frost here typically falls around 06/18, about 294 days from today. The first fall frost typically arrives around 09/18, about 91 frost-free days later.

Eagar sits in USDA Zone 6a (-10 to -5°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 6a around Eagar has about 3 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

06/18 is the middle of 30 years of NOAA records, not a promise. Plant by 06/04 and you're betting against frost in roughly 9 years out of 10. 06/30 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Eagar compares

Eagar's growing season runs about 91 days, ranking 39,894 of 40,283 US ZIP codes measured here, longest to shortest. Within AZ, it ranks 504 of 506.

Learn more

local microclimates explains what one yard in Eagar can differ from the 85927 normal, and zone vs. frost date explains why Zone 6a and Eagar's frost date answer different questions.