Last frost date in Woodburn, Oregon
March 16
Average last frost in spring. In an early year (1 in 10) it's over by February 21; in a late year (1 in 10) it comes after April 7.
November 14
Average first frost in fall. 1 year in 10 it comes by October 27.
Source: NOAA U.S. Climate Normals 1991–2020, station Aurora State AP (USW00094281), 8.3 miles from Woodburn, elevation 196 ft. NOAA National Centers for Environmental Information. These are long-term averages, not a forecast.
| Early year | Average | Late year | |
|---|---|---|---|
| Last frost in spring | Feb 21 | Mar 16 | Apr 7 |
| First frost in fall | Oct 27 | Nov 14 | Dec 6 |
Frost-free days in an average year: 242
| Chance in a year | Average last in spring | Average first in fall | |
|---|---|---|---|
| Light frost (36°F) | Every year | Apr 15 | Oct 26 |
| Frost (32°F) | Every year | Mar 16 | Nov 14 |
| Hard freeze (28°F) | 10 years in 10 | Feb 15 | Dec 1 |
Nights at 32°F or colder in an average year: 39
What to plant now in Woodburn
- Mustard greensAug 15 – Nov 1Now
- Garden peasSept 1 – Nov 1Now
- ParsleySept 1 – Nov 15Now
- RadishesSept 1 – Nov 15Now
- SpinachSept 15 – Nov 1Now
- Corn saladOct 1 – Dec 1Now
- Onion setsOct 1 – Dec 1Now
- Upland cressOct 1 – Dec 1Now
- Asparagus plantsDec 1 – Jan 1Soon
- Spring planting calendar for an average last frost around March 20 Woodburn: March 16
- Fall planting calendar for an average first frost around November 10 Woodburn: November 14
Planting dates: USDA Home and Garden Bulletin No. 9 (1967), “Suburban and Farm Vegetable Gardens,” tables 4 and 5. How we match the table.
Nearby in Oregon
- Silverton 11 mi · last frost Mar 28
- Newberg 12 mi · last frost Mar 21
- Wilsonville 12 mi · last frost Mar 18
- Molalla 13 mi · last frost Mar 16
- McMinnville 17 mi · last frost Apr 5
Updated