Plant By Frost

Oregon

Frost dates for Newport 3N, OR

At this NOAA station the last spring frost (32°F) usually comes by March 12 and the first fall frost around December 10, giving a growing season of about 271 days.

March 12average last spring frost
December 10average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanApril 16
Half of years the last spring frost is later thanMarch 12
9 years in 10 the last spring frost is later thanJanuary 24
1 year in 10 the first fall frost is earlier thanNovember 7
Half of years the first fall frost is earlier thanDecember 10
9 years in 10 the first fall frost is earlier thanFebruary 8

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

A light frost (36°F, which can still nip tender plants) usually ends by April 20 and returns around November 9.

Station USC00356035, elevation 67 m. Based on 12 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