Danvers, MN 56231 Frost Dates
Danvers, 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 10/03, roughly 151 days after the last spring frost.
Zone 4b (-25 to -20°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 Danvers, not a forecast for this year.
Stretching the season past the first frost
With roughly 5 weeks until Danvers's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Danvers's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/22 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/17 and only about 1 year in 10 sees frost after that.
Danvers against the rest of the dataset
About 151 days separate Danvers's last and first frost, putting it 35,197 of 40,283 ZIP codes nationally. Within MN, it ranks 507 of 943.
Learn more
Before leaning on 56231's figures: the frost range explains how to read the range around Danvers's dates instead of trusting one, while local microclimates explains what one yard in Danvers can differ from the 56231 normal.