Raymond, SD 57258 Frost Dates
Frost dates for Raymond, SD, ZIP 57258
Around 05/07 is the usual last spring frost, about 252 days away. The first fall frost typically arrives around 10/03, about 149 frost-free days later.
Raymond 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
Zone 4b around Raymond 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.
The actual range around Raymond's last frost
05/07 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 Raymond compares
About 149 days separate Raymond's last and first frost, putting it 35,607 of 40,283 ZIP codes nationally. Within SD, it ranks 193 of 378.
Learn more
local microclimates explains what one yard in Raymond can differ from the 57258 normal, and zone vs. frost date explains why Zone 4b and Raymond's frost date answer different questions.