Cave Junction, OR 96039 Frost Dates
When can you plant in Cave Junction, OR?
The last spring frost here typically falls around 05/04, about 249 days from today. The first fall frost typically arrives around 10/13, about 160 frost-free days later.
Cave Junction 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.
What to do before the first frost
About 7 weeks of growing season left in Cave Junction before the first fall frost — a cold frame or row cover can stretch harvest weeks past that date.
The actual range around Cave Junction's last frost
05/04 is the middle of 30 years of NOAA records, not a promise. Plant by 04/15 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 Cave Junction compares
About 160 days separate Cave Junction's last and first frost, putting it 32,386 of 40,283 ZIP codes nationally. Within OR, it ranks 337 of 463.
Learn more
zone vs. frost date covers why Zone 8b and Cave Junction's frost date answer different questions. the frost range covers how to read the range around Cave Junction's dates instead of trusting one.