Anacortes, WA 98221 Frost Dates
When can you plant in Anacortes, WA?
The last spring frost here typically falls around 03/08, about 192 days from today. The first fall frost typically arrives around 11/20, about 255 frost-free days later.
Anacortes 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.
What to do before the first frost
About 12 weeks of growing season left in Anacortes 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
03/08 is the middle of 30 years of NOAA records, not a promise. Plant by 02/17 and you're betting against frost in roughly 9 years out of 10. 03/28 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Anacortes compares
Anacortes's growing season runs about 255 days, ranking 6,903 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 53 of 700.
Learn more
local microclimates covers what one yard in Anacortes can differ from the 98221 normal. zone vs. frost date covers why Zone 8b and Anacortes's frost date answer different questions.