Dickeyville, WI 53808 Frost Dates
53808, near Dickeyville, WI: the frost window
Around 04/19 is the usual last spring frost, about 234 days away. Fall's first freeze usually shows up around 10/21, roughly 184 days after the last spring frost.
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 Dickeyville, not a forecast for this year.
Stretching the season past the first frost
Dickeyville's growing season runs out in roughly 8 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
Why 04/19 isn't a guarantee
04/19 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/04 and only about 1 year in 10 sees frost after that.
Dickeyville against the rest of the dataset
Dickeyville's growing season runs about 184 days, ranking 23,592 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 21 of 860.
Learn more
Two guides worth reading on 53808: the frost range, on how to read the range around Dickeyville's dates instead of trusting one, and local microclimates, on what one yard in Dickeyville can differ from the 53808 normal.