Plant By Frost

Tennessee

Frost dates for Clarksville No.2, TN

At this NOAA station the last spring frost (32°F) usually comes by April 10 and the first fall frost around October 30, giving a growing season of about 203 days.

April 10average last spring frost
October 30average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanApril 26
Half of years the last spring frost is later thanApril 10
9 years in 10 the last spring frost is later thanMarch 26
1 year in 10 the first fall frost is earlier thanOctober 17
Half of years the first fall frost is earlier thanOctober 30
9 years in 10 the first fall frost is earlier thanNovember 11

A hard freeze (28°F) usually ends by March 29 and returns around November 9.

A light frost (36°F, which can still nip tender plants) usually ends by April 21 and returns around October 21.

Station USC00401795, elevation 151 m. Based on 16 years of 1991 to 2020 records. A garden higher up, in a hollow or far from this station can freeze later in spring.

Check another ZIP

Sources

  1. U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
  2. Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
  3. 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026