Huntington, UT 84528 Frost Dates
Frost dates for Huntington, UT, ZIP 84528
Typically, the last spring freeze lands around 05/18, roughly 263 days out. The first fall frost typically arrives around 09/27, about 128 frost-free days later.
The USDA Plant Hardiness Zone Map puts Huntington in Zone 6a (-10 to -5°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 6a around Huntington has about 4 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
05/18 is the middle of 30 years of NOAA records, not a promise. Plant by 05/04 and you're betting against frost in roughly 9 years out of 10. 06/08 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Huntington compares
At roughly 128 frost-free days, Huntington places 38,541 of 40,283 ZIP codes in this dataset. Within UT, it ranks 251 of 344.
Learn more
local microclimates explains what one yard in Huntington can differ from the 84528 normal, and zone vs. frost date explains why Zone 6a and Huntington's frost date answer different questions.