Minnesota Lake, MN 56068 Frost Dates
Frost dates for Minnesota Lake, MN, ZIP 56068
Typically, the last spring freeze lands around 04/30, roughly 245 days out. The first fall frost typically arrives around 10/06, about 158 frost-free days later.
Zone 5a (-20 to -15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Minnesota Lake, not a forecast for this year.
What to do before the first frost
Zone 5a around Minnesota Lake has about 6 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 Minnesota Lake's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/16 and you're betting against frost in roughly 9 years out of 10. 05/14 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Minnesota Lake compares
About 158 days separate Minnesota Lake's last and first frost, putting it 33,094 of 40,283 ZIP codes nationally. Within MN, it ranks 286 of 943.
Learn more
the frost range explains how to read the range around Minnesota Lake's dates instead of trusting one, and local microclimates explains what one yard in Minnesota Lake can differ from the 56068 normal.