Goldendale, WA 98620 Frost Dates
Frost dates for Goldendale, WA, ZIP 98620
Around 06/02 is the usual last spring frost, about 278 days away. The first fall frost typically arrives around 10/01, about 119 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 Goldendale, not a forecast for this year.
What to do before the first frost
Zone 7a around Goldendale has about 5 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.
Why 06/02 isn't a guarantee
06/02 is the middle of 30 years of NOAA records, not a promise. Plant by 05/09 and you're betting against frost in roughly 9 years out of 10. 06/22 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Goldendale compares
Goldendale's growing season runs about 119 days, ranking 39,141 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 662 of 700.
Learn more
the frost range explains how to read the range around Goldendale's dates instead of trusting one, and local microclimates explains what one yard in Goldendale can differ from the 98620 normal.