Shelton, WA 98548 Frost Dates
Shelton, WA: when does the frost end?
Typically, the last spring freeze lands around 03/24, roughly 208 days out. Fall's first freeze usually shows up around 11/15, roughly 235 days after the last spring frost.
Shelton 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 11 weeks until Shelton's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Shelton's last frost
03/24 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 02/26 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 04/17 and only about 1 year in 10 sees frost after that.
Shelton against the rest of the dataset
At roughly 235 frost-free days, Shelton places 9,577 of 40,283 ZIP codes in this dataset. Within WA, it ranks 166 of 700.
Learn more
Before leaning on 98548's figures: local microclimates explains what one yard in Shelton can differ from the 98548 normal, while zone vs. frost date explains why Zone 8b and Shelton's frost date answer different questions.