Vancouver, WA 98661 Frost Dates
Vancouver, WA: when does the frost end?
Typically, the last spring freeze lands around 03/29, roughly 213 days out. Fall's first freeze usually shows up around 11/09, roughly 223 days after the last spring frost.
Vancouver 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 Vancouver'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
03/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/06 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/18 and only about 1 year in 10 sees frost after that.
Vancouver against the rest of the dataset
About 223 days separate Vancouver's last and first frost, putting it 11,994 of 40,283 ZIP codes nationally. Within WA, it ranks 221 of 700.
Learn more
Before leaning on 98661's figures: zone vs. frost date explains why Zone 8b and Vancouver's frost date answer different questions, while the frost range explains how to read the range around Vancouver's dates instead of trusting one.