Orem, UT 84097 Frost Dates
Frost dates for Orem, UT, ZIP 84097
The last spring frost here typically falls around 04/18, about 233 days from today. The first fall frost typically arrives around 10/21, about 185 frost-free days later.
The USDA Plant Hardiness Zone Map puts Orem in Zone 7a (0 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 7a around Orem has about 8 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 04/18 isn't a guarantee
04/18 is the middle of 30 years of NOAA records, not a promise. Plant by 03/31 and you're betting against frost in roughly 9 years out of 10. 05/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Orem compares
At roughly 185 frost-free days, Orem places 23,033 of 40,283 ZIP codes in this dataset. Within UT, it ranks 84 of 344.
Learn more
local microclimates explains what one yard in Orem can differ from the 84097 normal, and zone vs. frost date explains why Zone 7a and Orem's frost date answer different questions.