Clara City, MN 56222 Frost Dates
56222, near Clara City, MN: the frost window
The last spring frost here typically falls around 05/04, about 249 days from today. Fall's first freeze usually shows up around 10/01, roughly 150 days after the last spring frost.
Clara City 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
Clara City's growing season runs out in roughly 5 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
How much risk comes with planting early here
05/04 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/18 and only about 1 year in 10 sees frost after that.
Clara City against the rest of the dataset
At roughly 150 frost-free days, Clara City places 35,326 of 40,283 ZIP codes in this dataset. Within MN, it ranks 520 of 943.
Learn more
Two guides worth reading on 56222: zone vs. frost date, on why Zone 4b and Clara City's frost date answer different questions, and the frost range, on how to read the range around Clara City's dates instead of trusting one.