Tenstrike, MN 56670 Frost Dates
Frost dates for Tenstrike, MN, ZIP 56670
Typically, the last spring freeze lands around 05/12, roughly 257 days out. The first fall frost typically arrives around 10/04, about 142 frost-free days later.
Tenstrike sits in USDA Zone 3b (-35 to -30°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 3b around Tenstrike 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
05/12 is the middle of 30 years of NOAA records, not a promise. Plant by 04/29 and you're betting against frost in roughly 9 years out of 10. 05/30 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Tenstrike compares
About 142 days separate Tenstrike's last and first frost, putting it 36,829 of 40,283 ZIP codes nationally. Within MN, it ranks 700 of 943.
Learn more
the frost range explains how to read the range around Tenstrike's dates instead of trusting one, and local microclimates explains what one yard in Tenstrike can differ from the 56670 normal.