Pateros, WA 98834 Frost Dates
Frost dates for Pateros, WA, ZIP 98834
Typically, the last spring freeze lands around 04/26, roughly 241 days out. The first fall frost typically arrives around 10/11, about 167 frost-free days later.
Zone 7a (0 to 5°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 Pateros, not a forecast for this year.
What to do before the first frost
Zone 7a around Pateros has about 6 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 Pateros's last frost
04/26 is the middle of 30 years of NOAA records, not a promise. Plant by 04/09 and you're betting against frost in roughly 9 years out of 10. 05/13 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Pateros compares
About 167 days separate Pateros's last and first frost, putting it 30,130 of 40,283 ZIP codes nationally. Within WA, it ranks 549 of 700.
Learn more
local microclimates explains what one yard in Pateros can differ from the 98834 normal, and zone vs. frost date explains why Zone 7a and Pateros's frost date answer different questions.