Copperton, UT 84006 Frost Dates
Copperton, UT: when does the frost end?
The last spring frost here typically falls around 05/02, about 247 days from today. Fall's first freeze usually shows up around 10/16, roughly 165 days after the last spring frost.
Zone 7a (0 to 5°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Copperton, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Copperton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 05/02 isn't a guarantee
05/02 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/16 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/28 and only about 1 year in 10 sees frost after that.
Copperton against the rest of the dataset
About 165 days separate Copperton's last and first frost, putting it 30,647 of 40,283 ZIP codes nationally. Within UT, it ranks 143 of 344.
Learn more
Before leaning on 84006's figures: the frost range explains how to read the range around Copperton's dates instead of trusting one, while local microclimates explains what one yard in Copperton can differ from the 84006 normal.