Yacolt, WA 98675 Frost Dates
Yacolt, WA: when does the frost end?
Around 04/26 is the usual last spring frost, about 241 days away. Fall's first freeze usually shows up around 10/16, roughly 174 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 Yacolt, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Yacolt'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
04/26 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/05 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Yacolt against the rest of the dataset
At roughly 174 frost-free days, Yacolt places 27,521 of 40,283 ZIP codes in this dataset. Within WA, it ranks 482 of 700.
Learn more
Before leaning on 98675's figures: the frost range explains how to read the range around Yacolt's dates instead of trusting one, while local microclimates explains what one yard in Yacolt can differ from the 98675 normal.