Pellston, MI 49769 Frost Dates
Frost dates for Pellston, MI, ZIP 49769
The last spring frost here typically falls around 05/31, about 276 days from today. The first fall frost typically arrives around 09/18, about 108 frost-free days later.
Zone 5a (-20 to -15°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Pellston, not a forecast for this year.
What to do before the first frost
Zone 5a around Pellston has about 3 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 Pellston's last frost
05/31 is the middle of 30 years of NOAA records, not a promise. Plant by 05/16 and you're betting against frost in roughly 9 years out of 10. 06/21 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pellston compares
About 108 days separate Pellston's last and first frost, putting it 39,545 of 40,283 ZIP codes nationally. Within MI, it ranks 1,133 of 1,153.
Learn more
local microclimates explains what one yard in Pellston can differ from the 49769 normal, and zone vs. frost date explains why Zone 5a and Pellston's frost date answer different questions.