Norway, MI 49834 Frost Dates
When can you plant in Norway, MI?
Typically, the last spring freeze lands around 05/17, roughly 262 days out. The first fall frost typically arrives around 10/01, about 135 frost-free days later.
Norway sits in USDA Zone 4b (-25 to -20°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
About 5 weeks of growing season left in Norway before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
05/17 is the middle of 30 years of NOAA records, not a promise. Plant by 05/02 and you're betting against frost in roughly 9 years out of 10. 05/31 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Norway compares
About 135 days separate Norway's last and first frost, putting it 37,865 of 40,283 ZIP codes nationally. Within MI, it ranks 971 of 1,153.
Learn more
the frost range covers how to read the range around Norway's dates instead of trusting one. local microclimates covers what one yard in Norway can differ from the 49834 normal.