Center City, MN 55012 Frost Dates
Center City, MN: when does the frost end?
Around 05/03 is the usual last spring frost, about 248 days away. Fall's first freeze usually shows up around 10/05, roughly 154 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 Center City, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Center City's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
05/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/20 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Center City against the rest of the dataset
At roughly 154 frost-free days, Center City places 34,399 of 40,283 ZIP codes in this dataset. Within MN, it ranks 396 of 943.
Learn more
Before leaning on 55012's figures: the frost range explains how to read the range around Center City's dates instead of trusting one, while local microclimates explains what one yard in Center City can differ from the 55012 normal.