Last frost date in Chattanooga, Tennessee

March 24

Average last frost in spring. In an early year (1 in 10) it's over by March 6; in a late year (1 in 10) it comes after April 8.

November 9

Average first frost in fall. 1 year in 10 it comes by October 27.

Source: NOAA U.S. Climate Normals 1991–2020, station Chattanooga Lovell AP (USW00013882), 3.6 miles from Chattanooga, elevation 671 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.

This station is also the nearest one for Collegedale and East Ridge, so their frost dates are the same as Chattanooga's.

What to plant now

Frost dates for Chattanooga, Tennessee
Early yearAverageLate year
Last frost in springMar 6Mar 24Apr 8
First frost in fallOct 27Nov 9Nov 26

Frost-free days in an average year: 230

Light frost, frost and hard freeze in Chattanooga
Chance in a yearAverage last in springAverage first in fall
Light frost (36°F)Every yearApr 4Oct 31
Frost (32°F)Every yearMar 24Nov 9
Hard freeze (28°F)Every yearMar 11Nov 22

Nights at 32°F or colder in an average year: 56

What to plant now in Chattanooga

Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.

Nearby in Tennessee

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