Winsted, MN 55395 Frost Dates
Frost dates for Winsted, MN, ZIP 55395
The last spring frost here typically falls around 04/30, about 245 days from today. The first fall frost typically arrives around 10/10, about 162 frost-free days later.
The USDA Plant Hardiness Zone Map puts Winsted 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 Winsted 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.
How much risk comes with planting early here
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. 05/12 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Winsted compares
Winsted's growing season runs about 162 days, ranking 31,756 of 40,283 US ZIP codes measured here, longest to shortest. Within MN, it ranks 180 of 943.
Learn more
zone vs. frost date explains why Zone 4b and Winsted's frost date answer different questions, and the frost range explains how to read the range around Winsted's dates instead of trusting one.