Millcreek, UT 84106 Frost Dates
Frost dates for Millcreek, UT, ZIP 84106
The last spring frost here typically falls around 05/07, about 252 days from today. The first fall frost typically arrives around 10/14, about 158 frost-free days later.
Millcreek sits in USDA Zone 7b (5 to 10°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 7b around Millcreek has about 7 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.
The actual range around Millcreek's last frost
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/21 and you're betting against frost in roughly 9 years out of 10. 05/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Millcreek compares
About 158 days separate Millcreek's last and first frost, putting it 32,869 of 40,283 ZIP codes nationally. Within UT, it ranks 171 of 344.
Learn more
the frost range explains how to read the range around Millcreek's dates instead of trusting one, and local microclimates explains what one yard in Millcreek can differ from the 84106 normal.