Wakonda, SD 57073 Frost Dates
Frost dates for Wakonda, SD, ZIP 57073
The last spring frost here typically falls around 05/02, about 247 days from today. The first fall frost typically arrives around 10/01, about 151 frost-free days later.
The USDA Plant Hardiness Zone Map puts Wakonda 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 Wakonda 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
05/02 is the middle of 30 years of NOAA records, not a promise. Plant by 04/19 and you're betting against frost in roughly 9 years out of 10. 05/15 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Wakonda compares
About 151 days separate Wakonda's last and first frost, putting it 35,155 of 40,283 ZIP codes nationally. Within SD, it ranks 158 of 378.
Learn more
local microclimates explains what one yard in Wakonda can differ from the 57073 normal, and zone vs. frost date explains why Zone 5a and Wakonda's frost date answer different questions.