Salem, UT 84653 Frost Dates
Salem, UT: when does the frost end?
Around 04/25 is the usual last spring frost, about 240 days away. Fall's first freeze usually shows up around 10/18, roughly 174 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 Salem, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Salem's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Salem's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/13 and only about 1 year in 10 sees frost after that.
Salem against the rest of the dataset
Salem's growing season runs about 174 days, ranking 27,403 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 126 of 344.
Learn more
Before leaning on 84653's figures: zone vs. frost date explains why Zone 7a and Salem's frost date answer different questions, while the frost range explains how to read the range around Salem's dates instead of trusting one.