Brookings, OR 97415 Frost Dates
Brookings, OR: when does the frost end?
The last spring frost here typically falls around 01/31, about 156 days from today. Fall's first freeze usually shows up around 12/27, roughly 349 days after the last spring frost.
Zone 9b (25 to 30°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 Brookings, not a forecast for this year.
Stretching the season past the first frost
With roughly 17 weeks until Brookings's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
01/31 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/21 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 12/09 and only about 1 year in 10 sees frost after that.
Brookings against the rest of the dataset
Brookings's growing season runs about 349 days, ranking 2,364 of 40,283 US ZIP codes measured here, longest to shortest. Within OR, it ranks 1 of 463.
Learn more
Before leaning on 97415's figures: the frost range explains how to read the range around Brookings's dates instead of trusting one, while local microclimates explains what one yard in Brookings can differ from the 97415 normal.