Marriott-Slaterville, UT 84404 Frost Dates
Marriott-Slaterville, UT: when does the frost end?
Typically, the last spring freeze lands around 04/22, roughly 237 days out. Fall's first freeze usually shows up around 10/18, roughly 177 days after the last spring frost.
Marriott-Slaterville sits in USDA Zone 7a (0 to 5°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
With roughly 7 weeks until Marriott-Slaterville's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
04/22 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
Marriott-Slaterville against the rest of the dataset
Marriott-Slaterville's growing season runs about 177 days, ranking 26,139 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 115 of 344.
Learn more
Before leaning on 84404's figures: local microclimates explains what one yard in Marriott-Slaterville can differ from the 84404 normal, while zone vs. frost date explains why Zone 7a and Marriott-Slaterville's frost date answer different questions.