Sequim, WA 98382 Frost Dates
Frost dates for Sequim, WA, ZIP 98382
Typically, the last spring freeze lands around 04/21, roughly 236 days out. The first fall frost typically arrives around 10/20, about 181 frost-free days later.
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 Sequim, not a forecast for this year.
What to do before the first frost
Zone 8b around Sequim has about 8 weeks left before the first fall frost — that's the usual window to get a cold frame up if you want to keep harvesting past it.
The actual range around Sequim's last frost
04/21 is the middle of 30 years of NOAA records, not a promise. Plant by 04/03 and you're betting against frost in roughly 9 years out of 10. 05/07 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Sequim compares
Sequim's growing season runs about 181 days, ranking 24,488 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 433 of 700.
Learn more
local microclimates explains what one yard in Sequim can differ from the 98382 normal, and zone vs. frost date explains why Zone 8b and Sequim's frost date answer different questions.