Aberdeen, WA 98520 Frost Dates
When can you plant in Aberdeen, WA?
Typically, the last spring freeze lands around 03/29, roughly 213 days out. The first fall frost typically arrives around 11/15, about 234 frost-free days later.
Aberdeen 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 11 weeks of growing season left in Aberdeen 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
03/29 is the middle of 30 years of NOAA records, not a promise. Plant by 02/25 and you're betting against frost in roughly 9 years out of 10. 04/20 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Aberdeen compares
At roughly 234 frost-free days, Aberdeen places 9,722 of 40,283 ZIP codes in this dataset. Within WA, it ranks 169 of 700.
Learn more
the frost range covers how to read the range around Aberdeen's dates instead of trusting one. local microclimates covers what one yard in Aberdeen can differ from the 98520 normal.