Dayville, OR 97825 Frost Dates
When can you plant in Dayville, OR?
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/06, about 155 frost-free days later.
The USDA Plant Hardiness Zone Map puts Dayville in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
What to do before the first frost
About 6 weeks of growing season left in Dayville before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Dayville's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/18 and you're betting against frost in roughly 9 years out of 10. 05/23 is the safer bet, historically only a 1-in-10 chance of frost that late.
How Dayville compares
At roughly 155 frost-free days, Dayville places 34,174 of 40,283 ZIP codes in this dataset. Within OR, it ranks 343 of 463.
Learn more
zone vs. frost date covers why Zone 7a and Dayville's frost date answer different questions. the frost range covers how to read the range around Dayville's dates instead of trusting one.