Tawas City, MI 48748 Frost Dates
48748, near Tawas City, MI: the frost window
Typically, the last spring freeze lands around 05/23, roughly 268 days out. Fall's first freeze usually shows up around 09/26, roughly 127 days after the last spring frost.
Tawas City sits in USDA Zone 5b (-15 to -10°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
Tawas City'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 Tawas City's last frost
05/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 05/05 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.
Tawas City against the rest of the dataset
At roughly 127 frost-free days, Tawas City places 38,630 of 40,283 ZIP codes in this dataset. Within MI, it ranks 1,055 of 1,153.
Learn more
Two guides worth reading on 48748: local microclimates, on what one yard in Tawas City can differ from the 48748 normal, and zone vs. frost date, on why Zone 5b and Tawas City's frost date answer different questions.