Wood, SD 57585 Frost Dates
Frost dates for Wood, SD, ZIP 57585
Around 05/10 is the usual last spring frost, about 255 days away. The first fall frost typically arrives around 10/01, about 143 frost-free days later.
The USDA Plant Hardiness Zone Map puts Wood 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 Wood has about 5 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.
How much risk comes with planting early here
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/27 and you're betting against frost in roughly 9 years out of 10. 05/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wood compares
At roughly 143 frost-free days, Wood places 36,686 of 40,283 ZIP codes in this dataset. Within SD, it ranks 282 of 378.
Learn more
the frost range explains how to read the range around Wood's dates instead of trusting one, and local microclimates explains what one yard in Wood can differ from the 57585 normal.