Salt Lake City, UT 84180 Frost Dates
When can you plant in Salt Lake City, UT?
The last spring frost here typically falls around 04/08, about 223 days from today. The first fall frost typically arrives around 10/31, about 204 frost-free days later.
Salt Lake City sits in USDA Zone 7b (5 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.
What to do before the first frost
About 9 weeks of growing season left in Salt Lake City before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/08 is the middle of 30 years of NOAA records, not a promise. Plant by 03/17 and you're betting against frost in roughly 9 years out of 10. 04/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Salt Lake City compares
About 204 days separate Salt Lake City's last and first frost, putting it 16,447 of 40,283 ZIP codes nationally. Within UT, it ranks 27 of 344.
Learn more
the frost range covers how to read the range around Salt Lake City's dates instead of trusting one. local microclimates covers what one yard in Salt Lake City can differ from the 84180 normal.