Bellaire, MI 49612 Frost Dates
Frost dates for Bellaire, MI, ZIP 49612
Around 05/24 is the usual last spring frost, about 269 days away. The first fall frost typically arrives around 10/01, about 128 frost-free days later.
Bellaire sits in USDA Zone 5b (-15 to -10°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 5b around Bellaire 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
05/24 is the middle of 30 years of NOAA records, not a promise. Plant by 05/07 and you're betting against frost in roughly 9 years out of 10. 06/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Bellaire compares
At roughly 128 frost-free days, Bellaire places 38,551 of 40,283 ZIP codes in this dataset. Within MI, it ranks 1,050 of 1,153.
Learn more
local microclimates explains what one yard in Bellaire can differ from the 49612 normal, and zone vs. frost date explains why Zone 5b and Bellaire's frost date answer different questions.