Yacolt, WA 98616 Frost Dates
When can you plant in Yacolt, WA?
Typically, the last spring freeze lands around 04/01, roughly 216 days out. The first fall frost typically arrives around 11/18, about 227 frost-free days later.
Zone 8a (10 to 15°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.
What to do before the first frost
About 12 weeks of growing season left in Yacolt before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
How much risk comes with planting early here
04/01 is the middle of 30 years of NOAA records, not a promise. Plant by 03/06 and you're betting against frost in roughly 9 years out of 10. 05/02 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Yacolt compares
At roughly 227 frost-free days, Yacolt places 11,026 of 40,283 ZIP codes in this dataset. Within WA, it ranks 208 of 700.
Learn more
zone vs. frost date covers why Zone 8a and Yacolt's frost date answer different questions. the frost range covers how to read the range around Yacolt's dates instead of trusting one.