Circleville, UT 84723 Frost Dates
84723, near Circleville, UT: the frost window
The last spring frost here typically falls around 06/01, about 277 days from today. Fall's first freeze usually shows up around 09/28, roughly 120 days after the last spring frost.
Circleville sits in USDA Zone 5b (-15 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.
Stretching the season past the first frost
Circleville's growing season runs out in roughly 4 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 Circleville's last frost
06/01 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/15 and only about 1 year in 10 sees frost after that.
Circleville against the rest of the dataset
About 120 days separate Circleville's last and first frost, putting it 39,094 of 40,283 ZIP codes nationally. Within UT, it ranks 291 of 344.
Learn more
Two guides worth reading on 84723: local microclimates, on what one yard in Circleville can differ from the 84723 normal, and zone vs. frost date, on why Zone 5b and Circleville's frost date answer different questions.