Langley, WA 98260 Frost Dates
98260, near Langley, WA: the frost window
The last spring frost here typically falls around 03/09, about 193 days from today. Fall's first freeze usually shows up around 11/17, roughly 250 days after the last spring frost.
Langley 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
Langley's growing season runs out in roughly 12 weeks — a cold frame or greenhouse kit is the usual way to keep cool-weather crops going past the first frost.
The actual range around Langley's last frost
03/09 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 03/29 and only about 1 year in 10 sees frost after that.
Langley against the rest of the dataset
Langley's growing season runs about 250 days, ranking 7,558 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 129 of 700.
Learn more
Two guides worth reading on 98260: the frost range, on how to read the range around Langley's dates instead of trusting one, and local microclimates, on what one yard in Langley can differ from the 98260 normal.