Plant By Frost

California

Frost dates for Paradise, CA

At this NOAA station the last spring frost (32°F) usually comes by February 7 and the first fall frost around December 18, giving a growing season of about 313 days.

February 7average last spring frost
December 18average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanApril 1
Half of years the last spring frost is later thanFebruary 7
9 years in 10 the last spring frost is later thanDecember 27
1 year in 10 the first fall frost is earlier thanNovember 26
Half of years the first fall frost is earlier thanDecember 18
9 years in 10 the first fall frost is earlier thanJanuary 27

A hard freeze (28°F) usually ends by January 5 and returns around December 31.

A light frost (36°F, which can still nip tender plants) usually ends by March 31 and returns around November 29.

Station USC00046685, elevation 533 m. Based on 25 years of 1991 to 2020 records. A garden higher up, in a hollow or far from this station can freeze later in spring.

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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