Lewisville, MN 56060 Frost Dates
Frost dates for Lewisville, MN, ZIP 56060
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/07, about 160 frost-free days later.
Lewisville sits in USDA Zone 5a (-20 to -15°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 5a around Lewisville 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 Lewisville's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Lewisville compares
About 160 days separate Lewisville's last and first frost, putting it 32,526 of 40,283 ZIP codes nationally. Within MN, it ranks 230 of 943.
Learn more
zone vs. frost date explains why Zone 5a and Lewisville's frost date answer different questions, and the frost range explains how to read the range around Lewisville's dates instead of trusting one.