Butte Falls, OR 97522 Frost Dates
Butte Falls, OR: when does the frost end?
The last spring frost here typically falls around 04/29, about 244 days from today. Fall's first freeze usually shows up around 10/17, roughly 171 days after the last spring frost.
Zone 8a (10 to 15°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 Butte Falls, not a forecast for this year.
Stretching the season past the first frost
With roughly 7 weeks until Butte Falls's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
Why 04/29 isn't a guarantee
04/29 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/07 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/19 and only about 1 year in 10 sees frost after that.
Butte Falls against the rest of the dataset
About 171 days separate Butte Falls's last and first frost, putting it 28,791 of 40,283 ZIP codes nationally. Within OR, it ranks 316 of 463.
Learn more
Before leaning on 97522's figures: zone vs. frost date explains why Zone 8a and Butte Falls's frost date answer different questions, while the frost range explains how to read the range around Butte Falls's dates instead of trusting one.