North Salt Lake, UT 84054 Frost Dates
Frost dates for North Salt Lake, UT, ZIP 84054
The last spring frost here typically falls around 04/24, about 239 days from today. The first fall frost typically arrives around 10/19, about 178 frost-free days later.
North Salt Lake 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
Zone 7b around North Salt Lake has about 7 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
Why 04/24 isn't a guarantee
04/24 is the middle of 30 years of NOAA records, not a promise. Plant by 04/05 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How North Salt Lake compares
North Salt Lake's growing season runs about 178 days, ranking 25,589 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 112 of 344.
Learn more
the frost range explains how to read the range around North Salt Lake's dates instead of trusting one, and local microclimates explains what one yard in North Salt Lake can differ from the 84054 normal.