FrostDateCheck

Robbinsdale, MN 55411 Frost Dates

Frost dates for Robbinsdale, MN, ZIP 55411

Zone 5a

Around 04/23 is the usual last spring frost, about 238 days away. The first fall frost typically arrives around 10/16, about 175 frost-free days later.

Robbinsdale 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 Robbinsdale has about 7 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

04/23 is the middle of 30 years of NOAA records, not a promise. Plant by 04/10 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Robbinsdale compares

About 175 days separate Robbinsdale's last and first frost, putting it 26,786 of 40,283 ZIP codes nationally. Within MN, it ranks 55 of 943.

Learn more

the frost range explains how to read the range around Robbinsdale's dates instead of trusting one, and local microclimates explains what one yard in Robbinsdale can differ from the 55411 normal.