Braham, MN 55080 Frost Dates
Frost dates for Braham, MN, ZIP 55080
The last spring frost here typically falls around 05/02, about 247 days from today. The first fall frost typically arrives around 10/04, about 153 frost-free days later.
The USDA Plant Hardiness Zone Map puts Braham 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 Braham 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 Braham's last frost
05/02 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. 05/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Braham compares
At roughly 153 frost-free days, Braham places 34,552 of 40,283 ZIP codes in this dataset. Within MN, it ranks 414 of 943.
Learn more
local microclimates explains what one yard in Braham can differ from the 55080 normal, and zone vs. frost date explains why Zone 4b and Braham's frost date answer different questions.