Longview, WA 98632 Frost Dates
Longview, WA: when does the frost end?
Typically, the last spring freeze lands around 04/08, roughly 223 days out. Fall's first freeze usually shows up around 11/05, roughly 210 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 Longview, not a forecast for this year.
Stretching the season past the first frost
With roughly 10 weeks until Longview'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
04/08 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 03/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/02 and only about 1 year in 10 sees frost after that.
Longview against the rest of the dataset
About 210 days separate Longview's last and first frost, putting it 14,970 of 40,283 ZIP codes nationally. Within WA, it ranks 272 of 700.
Learn more
Before leaning on 98632's figures: the frost range explains how to read the range around Longview's dates instead of trusting one, while local microclimates explains what one yard in Longview can differ from the 98632 normal.