Montreal, WI 54525 Frost Dates
54525, near Montreal, WI: the frost window
The last spring frost here typically falls around 05/24, about 269 days from today. Fall's first freeze usually shows up around 09/28, roughly 128 days after the last spring frost.
Montreal sits in USDA Zone 4b (-25 to -20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
Montreal's growing season runs out in roughly 4 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Montreal's last frost
05/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/04 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 06/07 and only about 1 year in 10 sees frost after that.
Montreal against the rest of the dataset
At roughly 128 frost-free days, Montreal places 38,559 of 40,283 ZIP codes in this dataset. Within WI, it ranks 801 of 860.
Learn more
Two guides worth reading on 54525: the frost range, on how to read the range around Montreal's dates instead of trusting one, and local microclimates, on what one yard in Montreal can differ from the 54525 normal.