Holden, UT 84636 Frost Dates
Frost dates for Holden, UT, ZIP 84636
Typically, the last spring freeze lands around 05/22, roughly 267 days out. The first fall frost typically arrives around 09/25, about 122 frost-free days later.
The USDA Plant Hardiness Zone Map puts Holden 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 Holden 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.
Why 05/22 isn't a guarantee
05/22 is the middle of 30 years of NOAA records, not a promise. Plant by 05/05 and you're betting against frost in roughly 9 years out of 10. 06/10 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Holden compares
At roughly 122 frost-free days, Holden places 38,970 of 40,283 ZIP codes in this dataset. Within UT, it ranks 281 of 344.
Learn more
the frost range explains how to read the range around Holden's dates instead of trusting one, and local microclimates explains what one yard in Holden can differ from the 84636 normal.