Salina, UT 84654 Frost Dates
Frost dates for Salina, UT, ZIP 84654
The last spring frost here typically falls around 05/21, about 266 days from today. The first fall frost typically arrives around 09/24, about 125 frost-free days later.
Zone 6a (-10 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 Salina, not a forecast for this year.
What to do before the first frost
Zone 6a around Salina has about 4 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 05/21 isn't a guarantee
05/21 is the middle of 30 years of NOAA records, not a promise. Plant by 05/04 and you're betting against frost in roughly 9 years out of 10. 06/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Salina compares
Salina's growing season runs about 125 days, ranking 38,766 of 40,283 US ZIP codes measured here, longest to shortest. Within UT, it ranks 261 of 344.
Learn more
local microclimates explains what one yard in Salina can differ from the 84654 normal, and zone vs. frost date explains why Zone 6a and Salina's frost date answer different questions.