Wales, UT 84667 Frost Dates
When can you plant in Wales, UT?
Typically, the last spring freeze lands around 05/26, roughly 271 days out. The first fall frost typically arrives around 09/25, about 119 frost-free days later.
The USDA Plant Hardiness Zone Map puts Wales in Zone 5b (-15 to -10°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 4 weeks of growing season left in Wales 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
05/26 is the middle of 30 years of NOAA records, not a promise. Plant by 05/10 and you're betting against frost in roughly 9 years out of 10. 06/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wales compares
About 119 days separate Wales's last and first frost, putting it 39,166 of 40,283 ZIP codes nationally. Within UT, it ranks 303 of 344.
Learn more
the frost range covers how to read the range around Wales's dates instead of trusting one. local microclimates covers what one yard in Wales can differ from the 84667 normal.