Oakland, OR 97462 Frost Dates
Oakland, OR: when does the frost end?
The last spring frost here typically falls around 03/31, about 215 days from today. Fall's first freeze usually shows up around 11/05, roughly 215 days after the last spring frost.
Oakland sits in USDA Zone 8b (15 to 20°F average annual minimum). The dates above are NOAA's 1991-2020 normal at the nearest reporting station, a 30-year average, not a forecast.
Stretching the season past the first frost
With roughly 10 weeks until Oakland's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Oakland's last frost
03/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/26 and only about 1 year in 10 sees frost after that.
Oakland against the rest of the dataset
About 215 days separate Oakland's last and first frost, putting it 14,139 of 40,283 ZIP codes nationally. Within OR, it ranks 191 of 463.
Learn more
Before leaning on 97462's figures: local microclimates explains what one yard in Oakland can differ from the 97462 normal, while zone vs. frost date explains why Zone 8b and Oakland's frost date answer different questions.