Camp Crook, SD 59311 Frost Dates
When can you plant in Camp Crook, SD?
Typically, the last spring freeze lands around 06/02, roughly 278 days out. The first fall frost typically arrives around 09/06, about 95 frost-free days later.
The USDA Plant Hardiness Zone Map puts Camp Crook in Zone 4b (-25 to -20°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
About 1 week of growing season left in Camp Crook 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
06/02 is the middle of 30 years of NOAA records, not a promise. Plant by 05/18 and you're betting against frost in roughly 9 years out of 10. 06/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Camp Crook compares
About 95 days separate Camp Crook's last and first frost, putting it 39,817 of 40,283 ZIP codes nationally. Within SD, it ranks 378 of 378.
Learn more
the frost range covers how to read the range around Camp Crook's dates instead of trusting one. local microclimates covers what one yard in Camp Crook can differ from the 59311 normal.