North Salem, IN 46165 Frost Dates
46165, near North Salem, IN: the frost window
Around 04/23 is the usual last spring frost, about 238 days away. Fall's first freeze usually shows up around 10/19, roughly 178 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts North Salem in Zone 6a (-10 to -5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
North Salem's growing season runs out in roughly 7 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 North Salem's last frost
04/23 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/08 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/09 and only about 1 year in 10 sees frost after that.
North Salem against the rest of the dataset
At roughly 178 frost-free days, North Salem places 25,879 of 40,283 ZIP codes in this dataset. Within IN, it ranks 611 of 927.
Learn more
Two guides worth reading on 46165: the frost range, on how to read the range around North Salem's dates instead of trusting one, and local microclimates, on what one yard in North Salem can differ from the 46165 normal.