Murray, UT 84151 Frost Dates
Frost dates for Murray, UT, ZIP 84151
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.
Zone 7b (5 to 10°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 Murray, not a forecast for this year.
What to do before the first frost
Zone 7b around Murray has about 9 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.
The actual range around Murray's last frost
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 Murray compares
Murray's growing season runs about 204 days, ranking 16,487 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 54 of 344.
Learn more
the frost range explains how to read the range around Murray's dates instead of trusting one, and local microclimates explains what one yard in Murray can differ from the 84151 normal.