FrostDateCheck

Apple Valley, MN 55124 Frost Dates

Frost dates for Apple Valley, MN, ZIP 55124

Zone 5a

The last spring frost here typically falls around 04/27, about 242 days from today. The first fall frost typically arrives around 10/10, about 166 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 Apple Valley, not a forecast for this year.

What to do before the first frost

Zone 5a around Apple Valley has about 6 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

04/27 is the middle of 30 years of NOAA records, not a promise. Plant by 04/12 and you're betting against frost in roughly 9 years out of 10. 05/10 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Apple Valley compares

At roughly 166 frost-free days, Apple Valley places 30,283 of 40,283 ZIP codes in this dataset. Within MN, it ranks 98 of 943.

Learn more

the frost range explains how to read the range around Apple Valley's dates instead of trusting one, and local microclimates explains what one yard in Apple Valley can differ from the 55124 normal.