FrostDateCheck

Vader, WA 98593 Frost Dates

Frost dates for Vader, WA, ZIP 98593

Zone 8b

Typically, the last spring freeze lands around 04/05, roughly 220 days out. The first fall frost typically arrives around 10/25, about 196 frost-free days later.

The USDA Plant Hardiness Zone Map puts Vader in Zone 8b (15 to 20°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.

What to do before the first frost

Zone 8b around Vader 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 Vader's last frost

04/05 is the middle of 30 years of NOAA records, not a promise. Plant by 03/12 and you're betting against frost in roughly 9 years out of 10. 05/04 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Vader compares

At roughly 196 frost-free days, Vader places 19,050 of 40,283 ZIP codes in this dataset. Within WA, it ranks 360 of 700.

Learn more

zone vs. frost date explains why Zone 8b and Vader's frost date answer different questions, and the frost range explains how to read the range around Vader's dates instead of trusting one.