Saltillo, TN 38361 Frost Dates
38361, near Saltillo, TN: the frost window
Typically, the last spring freeze lands around 03/31, roughly 215 days out. Fall's first freeze usually shows up around 11/01, roughly 212 days after the last spring frost.
Saltillo sits in USDA Zone 7b (5 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
Saltillo's growing season runs out in roughly 9 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
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/13 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.
Saltillo against the rest of the dataset
At roughly 212 frost-free days, Saltillo places 14,666 of 40,283 ZIP codes in this dataset. Within TN, it ranks 289 of 770.
Learn more
Two guides worth reading on 38361: zone vs. frost date, on why Zone 7b and Saltillo's frost date answer different questions, and the frost range, on how to read the range around Saltillo's dates instead of trusting one.