Plant By Frost

Oregon

Frost dates for Barnes Stn, OR

At this NOAA station the last spring frost (32°F) usually comes by June 2 and the first fall frost around September 17, giving a growing season of about 104 days.

June 2average last spring frost
September 17average first fall frost
JanAprJulOctDec

Frost odds

1 year in 10 the last spring frost is later thanJune 25
Half of years the last spring frost is later thanJune 2
9 years in 10 the last spring frost is later thanMay 13
1 year in 10 the first fall frost is earlier thanAugust 30
Half of years the first fall frost is earlier thanSeptember 17
9 years in 10 the first fall frost is earlier thanOctober 1

A hard freeze (28°F) usually ends by May 12 and returns around September 30.

Station USC00350501, elevation 1210 m. Based on 29 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