Salem, OR 97301 Frost Dates
Salem, OR: when does the frost end?
The last spring frost here typically falls around 04/03, about 218 days from today. Fall's first freeze usually shows up around 11/01, roughly 212 days after the last spring frost.
Zone 8b (15 to 20°F average annual minimum) comes from the USDA Plant Hardiness Zone Map; the frost dates above are the 1991-2020 normal at the nearest reporting NOAA station for Salem, not a forecast for this year.
Stretching the season past the first frost
With roughly 9 weeks until Salem's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Salem's last frost
04/03 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/10 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/27 and only about 1 year in 10 sees frost after that.
Salem against the rest of the dataset
At roughly 212 frost-free days, Salem places 14,548 of 40,283 ZIP codes in this dataset. Within OR, it ranks 193 of 463.
Learn more
Before leaning on 97301's figures: the frost range explains how to read the range around Salem's dates instead of trusting one, while local microclimates explains what one yard in Salem can differ from the 97301 normal.