Columbia, TN 38482 Frost Dates
Columbia, TN: when does the frost end?
The last spring frost here typically falls around 04/10, about 225 days from today. Fall's first freeze usually shows up around 10/27, roughly 199 days after the last spring frost.
Columbia 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
With roughly 9 weeks until Columbia's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Columbia's last frost
04/10 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Columbia against the rest of the dataset
About 199 days separate Columbia's last and first frost, putting it 18,019 of 40,283 ZIP codes nationally. Within TN, it ranks 554 of 770.
Learn more
Before leaning on 38482's figures: local microclimates explains what one yard in Columbia can differ from the 38482 normal, while zone vs. frost date explains why Zone 7b and Columbia's frost date answer different questions.