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Tennessee frost dates by county and ZIP code

Wildflower meadow below forested ridges in the Great Smoky Mountains, Tennessee
Photo: Rhododendrites, CC BY-SA 4.0, via Wikimedia Commons

Across 638 Tennessee ZIP codes the average last spring frost runs Mar 16 to May 22 and the average first fall frost Oct 1 to Nov 16 (50% odds, 32°F, NOAA 1991–2020 normals), with USDA hardiness zones. Download the table as CSV.

Counties