Huntsville, UT 84317 Frost Dates
When can you plant in Huntsville, UT?
Typically, the last spring freeze lands around 05/22, roughly 267 days out. The first fall frost typically arrives around 09/26, about 125 frost-free days later.
Huntsville 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
About 4 weeks of growing season left in Huntsville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/22 is the middle of 30 years of NOAA records, not a promise. Plant by 05/07 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 Huntsville compares
At roughly 125 frost-free days, Huntsville places 38,789 of 40,283 ZIP codes in this dataset. Within UT, it ranks 266 of 344.
Learn more
local microclimates covers what one yard in Huntsville can differ from the 84317 normal. zone vs. frost date covers why Zone 6a and Huntsville's frost date answer different questions.