Pukwana, SD 57370 Frost Dates
When can you plant in Pukwana, SD?
Typically, the last spring freeze lands around 05/01, roughly 246 days out. The first fall frost typically arrives around 10/07, about 158 frost-free days later.
Pukwana sits in USDA Zone 5a (-20 to -15°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 6 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.
The actual range around Pukwana's last frost
05/01 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pukwana compares
At roughly 158 frost-free days, Pukwana places 33,146 of 40,283 ZIP codes in this dataset. Within SD, it ranks 55 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 57370 normal.