Buffalo Lake, MN 55314 Frost Dates
Frost dates for Buffalo Lake, MN, ZIP 55314
Around 04/30 is the usual last spring frost, about 245 days away. The first fall frost typically arrives around 10/04, about 156 frost-free days later.
The USDA Plant Hardiness Zone Map puts Buffalo Lake 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 Buffalo Lake 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.
The actual range around Buffalo Lake's last frost
04/30 is the middle of 30 years of NOAA records, not a promise. Plant by 04/17 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 Buffalo Lake compares
About 156 days separate Buffalo Lake's last and first frost, putting it 33,768 of 40,283 ZIP codes nationally. Within MN, it ranks 328 of 943.
Learn more
zone vs. frost date explains why Zone 4b and Buffalo Lake's frost date answer different questions, and the frost range explains how to read the range around Buffalo Lake's dates instead of trusting one.