Chippewa Falls, WI 54729 Frost Dates
Chippewa Falls, WI: when does the frost end?
Around 05/08 is the usual last spring frost, about 253 days away. Fall's first freeze usually shows up around 10/04, roughly 149 days after the last spring frost.
Chippewa Falls 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
With roughly 5 weeks until Chippewa Falls'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
05/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/24 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/21 and only about 1 year in 10 sees frost after that.
Chippewa Falls against the rest of the dataset
Chippewa Falls's growing season runs about 149 days, ranking 35,486 of 40,283 US ZIP codes measured here, longest to shortest. Within WI, it ranks 594 of 860.
Learn more
Before leaning on 54729's figures: local microclimates explains what one yard in Chippewa Falls can differ from the 54729 normal, while zone vs. frost date explains why Zone 4b and Chippewa Falls's frost date answer different questions.