Newberry, MI 49793 Frost Dates
Frost dates for Newberry, MI, ZIP 49793
Around 05/21 is the usual last spring frost, about 266 days away. The first fall frost typically arrives around 10/01, about 131 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 Newberry, not a forecast for this year.
What to do before the first frost
Zone 5a around Newberry 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 Newberry's last frost
05/21 is the middle of 30 years of NOAA records, not a promise. Plant by 05/04 and you're betting against frost in roughly 9 years out of 10. 06/05 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Newberry compares
About 131 days separate Newberry's last and first frost, putting it 38,302 of 40,283 ZIP codes nationally. Within MI, it ranks 1,023 of 1,153.
Learn more
the frost range explains how to read the range around Newberry's dates instead of trusting one, and local microclimates explains what one yard in Newberry can differ from the 49793 normal.