Burns, WY 82053 Frost Dates
Frost dates for Burns, WY, ZIP 82053
Typically, the last spring freeze lands around 05/14, roughly 259 days out. The first fall frost typically arrives around 09/26, about 133 frost-free days later.
The USDA Plant Hardiness Zone Map puts Burns in Zone 5a (-20 to -15°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
Zone 5a around Burns 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.
The actual range around Burns's last frost
05/14 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. 05/27 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Burns compares
At roughly 133 frost-free days, Burns places 38,116 of 40,283 ZIP codes in this dataset. Within WY, it ranks 52 of 192.
Learn more
the frost range explains how to read the range around Burns's dates instead of trusting one, and local microclimates explains what one yard in Burns can differ from the 82053 normal.