Levan, UT 84639 Frost Dates
84639, near Levan, UT: the frost window
The last spring frost here typically falls around 05/06, about 251 days from today. Fall's first freeze usually shows up around 10/10, roughly 156 days after the last spring frost.
Zone 6a (-10 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 Levan, not a forecast for this year.
Stretching the season past the first frost
Levan's growing season runs out in roughly 6 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Levan's last frost
05/06 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/24 and only about 1 year in 10 sees frost after that.
Levan against the rest of the dataset
About 156 days separate Levan's last and first frost, putting it 33,737 of 40,283 ZIP codes nationally. Within UT, it ranks 187 of 344.
Learn more
Two guides worth reading on 84639: local microclimates, on what one yard in Levan can differ from the 84639 normal, and zone vs. frost date, on why Zone 6a and Levan's frost date answer different questions.