FrostDateCheck

South Range, MI 49965 Frost Dates

Frost dates for South Range, MI, ZIP 49965

Zone 5a

The last spring frost here typically falls around 05/23, about 268 days from today. The first fall frost typically arrives around 10/01, about 128 frost-free days later.

South Range sits in USDA Zone 5a (-20 to -15°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 5a around South Range 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 South Range's last frost

05/23 is the middle of 30 years of NOAA records, not a promise. Plant by 05/06 and you're betting against frost in roughly 9 years out of 10. 06/08 is the safer bet, historically only a 1-in-10 chance of frost that late.

How South Range compares

At roughly 128 frost-free days, South Range places 38,566 of 40,283 ZIP codes in this dataset. Within MI, it ranks 1,054 of 1,153.

Learn more

the frost range explains how to read the range around South Range's dates instead of trusting one, and local microclimates explains what one yard in South Range can differ from the 49965 normal.