FrostDateCheck

Gig Harbor, WA 98335 Frost Dates

Frost dates for Gig Harbor, WA, ZIP 98335

Zone 9a

The last spring frost here typically falls around 03/11, about 195 days from today. The first fall frost typically arrives around 11/21, about 254 frost-free days later.

Gig Harbor sits in USDA Zone 9a (20 to 25°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

Zone 9a around Gig Harbor has about 12 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 Gig Harbor's last frost

03/11 is the middle of 30 years of NOAA records, not a promise. Plant by 02/15 and you're betting against frost in roughly 9 years out of 10. 04/02 is the safer bet, historically only a 1-in-10 chance of frost that late.

How Gig Harbor compares

At roughly 254 frost-free days, Gig Harbor places 7,011 of 40,283 ZIP codes in this dataset. Within WA, it ranks 60 of 700.

Learn more

the frost range explains how to read the range around Gig Harbor's dates instead of trusting one, and local microclimates explains what one yard in Gig Harbor can differ from the 98335 normal.