Akaska, SD 57652 Frost Dates
When can you plant in Akaska, SD?
The last spring frost here typically falls around 05/06, about 251 days from today. The first fall frost typically arrives around 10/07, about 152 frost-free days later.
Akaska 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 6 weeks of growing season left in Akaska before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/06 is the middle of 30 years of NOAA records, not a promise. Plant by 04/23 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 Akaska compares
Akaska's growing season runs about 152 days, ranking 34,919 of 40,283 US ZIP codes measured here, longest to shortest. Within SD, it ranks 140 of 378.
Learn more
local microclimates covers what one yard in Akaska can differ from the 57652 normal. zone vs. frost date covers why Zone 4b and Akaska's frost date answer different questions.