Randall, MN 56443 Frost Dates
Randall, MN: when does the frost end?
Typically, the last spring freeze lands around 05/04, roughly 249 days out. Fall's first freeze usually shows up around 10/05, roughly 151 days after the last spring frost.
Zone 4a (-30 to -25°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 Randall, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Randall's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Randall's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/22 and only about 1 year in 10 sees frost after that.
Randall against the rest of the dataset
At roughly 151 frost-free days, Randall places 35,120 of 40,283 ZIP codes in this dataset. Within MN, it ranks 496 of 943.
Learn more
Before leaning on 56443's figures: zone vs. frost date explains why Zone 4a and Randall's frost date answer different questions, while the frost range explains how to read the range around Randall's dates instead of trusting one.