Camp Crook, SD 57724 Frost Dates
Frost dates for Camp Crook, SD, ZIP 57724
The last spring frost here typically falls around 05/10, about 255 days from today. The first fall frost typically arrives around 10/01, about 141 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
Zone 4b around Camp Crook 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
05/10 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Camp Crook compares
About 141 days separate Camp Crook's last and first frost, putting it 37,013 of 40,283 ZIP codes nationally. Within SD, it ranks 306 of 378.
Learn more
local microclimates explains what one yard in Camp Crook can differ from the 57724 normal, and zone vs. frost date explains why Zone 4b and Camp Crook's frost date answer different questions.