Clinton, TN 37831 Frost Dates
37831, near Clinton, TN: the frost window
The last spring frost here typically falls around 03/31, about 215 days from today. Fall's first freeze usually shows up around 11/04, roughly 218 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Clinton in Zone 7b (5 to 10°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
Clinton's growing season runs out in roughly 10 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 Clinton's last frost
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/15 and only about 1 year in 10 sees frost after that.
Clinton against the rest of the dataset
At roughly 218 frost-free days, Clinton places 13,238 of 40,283 ZIP codes in this dataset. Within TN, it ranks 165 of 770.
Learn more
Two guides worth reading on 37831: the frost range, on how to read the range around Clinton's dates instead of trusting one, and local microclimates, on what one yard in Clinton can differ from the 37831 normal.