Max, ND 58759 Frost Dates
Frost dates for Max, ND, ZIP 58759
The last spring frost here typically falls around 05/12, about 257 days from today. The first fall frost typically arrives around 09/30, about 140 frost-free days later.
Max sits in USDA Zone 4a (-30 to -25°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 4a around Max 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
05/12 is the middle of 30 years of NOAA records, not a promise. Plant by 04/30 and you're betting against frost in roughly 9 years out of 10. 05/24 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Max compares
Max's growing season runs about 140 days, ranking 37,145 of 40,283 US ZIP codes measured here, longest to shortest. Within ND, it ranks 126 of 405.
Learn more
zone vs. frost date explains why Zone 4a and Max's frost date answer different questions, and the frost range explains how to read the range around Max's dates instead of trusting one.