Frost dates for John Day 35 Wnw, OR
At this NOAA station the last spring frost (32°F) usually comes by April 30 and the first fall frost around October 14, giving a growing season of about 167 days.
April 30average last spring frost
October 14average first fall frost
JanAprJulOctDec
Frost odds
| 1 year in 10 the last spring frost is later than | May 14 |
| Half of years the last spring frost is later than | April 30 |
| 9 years in 10 the last spring frost is later than | April 14 |
| 1 year in 10 the first fall frost is earlier than | October 1 |
| Half of years the first fall frost is earlier than | October 14 |
| 9 years in 10 the first fall frost is earlier than | October 31 |
A hard freeze (28°F) usually ends by April 9 and returns around October 28.
A light frost (36°F, which can still nip tender plants) usually ends by May 13 and returns around October 1.
Station USW00004125, elevation 684 m. Based on 17 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
- U.S. Annual/Seasonal Climate Normals, 1991 to 2020 (freeze probability dates by station), NOAA National Centers for Environmental Information, checked 1 November 2026
- Annual/Seasonal Normals 1991 to 2020 documentation, NOAA National Centers for Environmental Information, checked 1 November 2026
- 2024 Gazetteer Files, ZIP Code Tabulation Areas, US Census Bureau, checked 1 November 2026