Kenyon, MN 55946 Frost Dates
Frost dates for Kenyon, MN, ZIP 55946
The last spring frost here typically falls around 05/09, about 254 days from today. The first fall frost typically arrives around 09/30, about 144 frost-free days later.
Kenyon 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 Kenyon 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
05/09 is the middle of 30 years of NOAA records, not a promise. Plant by 04/24 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 Kenyon compares
About 144 days separate Kenyon's last and first frost, putting it 36,380 of 40,283 ZIP codes nationally. Within MN, it ranks 656 of 943.
Learn more
the frost range explains how to read the range around Kenyon's dates instead of trusting one, and local microclimates explains what one yard in Kenyon can differ from the 55946 normal.