Gig Harbor, WA 98332 Frost Dates
Gig Harbor, WA: when does the frost end?
Around 03/11 is the usual last spring frost, about 195 days away. Fall's first freeze usually shows up around 11/21, roughly 254 days after the last spring frost.
Gig Harbor sits in USDA Zone 8b (15 to 20°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.
Stretching the season past the first frost
With roughly 12 weeks until Gig Harbor's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
How much risk comes with planting early here
03/11 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/15 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/02 and only about 1 year in 10 sees frost after that.
Gig Harbor against the rest of the dataset
Gig Harbor's growing season runs about 254 days, ranking 7,010 of 40,283 US ZIP codes measured here, longest to shortest. Within WA, it ranks 59 of 700.
Learn more
Before leaning on 98332's figures: zone vs. frost date explains why Zone 8b and Gig Harbor's frost date answer different questions, while the frost range explains how to read the range around Gig Harbor's dates instead of trusting one.