Gig Harbor, WA 98524 Frost Dates
Frost dates for Gig Harbor, WA, ZIP 98524
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.
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 Gig Harbor, not a forecast for this year.
What to do before the first frost
Zone 8b 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.
How much risk comes with planting early here
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
About 254 days separate Gig Harbor's last and first frost, putting it 7,015 of 40,283 ZIP codes nationally. Within WA, it ranks 64 of 700.
Learn more
zone vs. frost date explains why Zone 8b and Gig Harbor's frost date answer different questions, and the frost range explains how to read the range around Gig Harbor's dates instead of trusting one.