Pukwana, SD 57341 Frost Dates
When can you plant in Pukwana, SD?
The last spring frost here typically falls around 05/07, about 252 days from today. The first fall frost typically arrives around 10/01, about 146 frost-free days later.
Pukwana sits in USDA Zone 4b (-25 to -20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
What to do before the first frost
About 5 weeks of growing season left in Pukwana before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
Why 05/07 isn't a guarantee
05/07 is the middle of 30 years of NOAA records, not a promise. Plant by 04/25 and you're betting against frost in roughly 9 years out of 10. 05/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pukwana compares
About 146 days separate Pukwana's last and first frost, putting it 36,132 of 40,283 ZIP codes nationally. Within SD, it ranks 220 of 378.
Learn more
the frost range covers how to read the range around Pukwana's dates instead of trusting one. local microclimates covers what one yard in Pukwana can differ from the 57341 normal.