Fayette, UT 84630 Frost Dates
Frost dates for Fayette, UT, ZIP 84630
Typically, the last spring freeze lands around 05/31, roughly 276 days out. The first fall frost typically arrives around 09/21, about 114 frost-free days later.
Fayette sits in USDA Zone 6b (-5 to 0°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 6b around Fayette 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.
Why 05/31 isn't a guarantee
05/31 is the middle of 30 years of NOAA records, not a promise. Plant by 05/12 and you're betting against frost in roughly 9 years out of 10. 06/16 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Fayette compares
At roughly 114 frost-free days, Fayette places 39,373 of 40,283 ZIP codes in this dataset. Within UT, it ranks 314 of 344.
Learn more
the frost range explains how to read the range around Fayette's dates instead of trusting one, and local microclimates explains what one yard in Fayette can differ from the 84630 normal.